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@@ -18,7 +18,7 @@ This is a comprehensive WordPress plugin for Twilio voice and SMS integration, f
### Core Classes (`includes/` directory)
- **TWP_Core**: Main plugin initialization and hook registration
- **TWP_Activator**: Database table creation and plugin activation
- **TWP_Twilio_API**: Twilio REST API wrapper (custom implementation)
- **TWP_Twilio_API**: Official Twilio PHP SDK wrapper (requires SDK v8.7.0)
- **TWP_Webhooks**: Handles all Twilio webhook endpoints
- **TWP_Scheduler**: Business hours and schedule management
- **TWP_Workflow**: Call flow processing and TwiML generation
@@ -131,25 +131,28 @@ Agent phone numbers stored as user meta:
## Twilio Integration
### Current Implementation
- **Custom API Wrapper**: `TWP_Twilio_API` class using `wp_remote_post()`
- **TwiML Generation**: String-based XML construction
- **Response Handling**: Custom parsing of Twilio responses
### Current Implementation (SDK-Only)
- **Official Twilio SDK**: Uses `twilio/sdk` v8.7.0 for all operations
- **TwiML Generation**: Uses `\Twilio\TwiML\VoiceResponse` classes
- **Response Handling**: Native Twilio SDK response objects
- **Error Handling**: Proper `\Twilio\Exceptions\TwilioException` handling
### Recommended Migration to Twilio PHP SDK
**URL**: https://www.twilio.com/docs/libraries/reference/twilio-php/
### Installation Requirements
**IMPORTANT**: The Twilio PHP SDK v8.7.0 is **REQUIRED** for this plugin to function.
**Benefits**:
- Official SDK with better error handling
- Built-in TwiML generation classes
- Automatic retries and rate limiting
- Type safety and IDE support
**Installation Methods**:
1. **Script Installation** (Recommended):
```bash
chmod +x install-twilio-sdk.sh
./install-twilio-sdk.sh
```
**Migration Strategy**:
1. Install via Composer: `composer require twilio/sdk`
2. Replace `TWP_Twilio_API` methods with SDK calls
3. Update TwiML generation to use SDK classes
4. Maintain existing method signatures for compatibility
2. **Composer Installation**:
```bash
composer install
```
**PHP Requirements**: PHP 8.0+ required for SDK compatibility
### API Response Structure
Current Twilio API responses follow this pattern:

134
README.md
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@@ -1,2 +1,134 @@
# twilio-wp-plugin
# Twilio WordPress Plugin
A comprehensive WordPress plugin for Twilio voice and SMS integration with advanced call center functionality.
## ⚠️ IMPORTANT: SDK Required
This plugin **requires** the Twilio PHP SDK v8.7.0 to function. The plugin will not work without it.
## Quick Installation
1. **Install the Twilio SDK** (Required):
```bash
chmod +x install-twilio-sdk.sh
./install-twilio-sdk.sh
```
2. **Test the SDK installation**:
```bash
php test-sdk.php
```
3. **Configure Twilio Credentials** in WordPress admin:
- Account SID
- Auth Token
- Phone Number
4. **Test the installation** with a sample call.
## Requirements
- **PHP 8.0+** (required for Twilio SDK v8.7.0)
- **WordPress 5.0+**
- **Twilio Account** with active phone number
- **curl** and **tar** (for SDK installation)
## Key Features
- 📞 **Call Center Operations**: Agent groups, queues, call distribution
- 🕒 **Business Hours Management**: Automated routing based on schedules
- 📱 **Outbound Calling**: Click-to-call with proper caller ID
- 💬 **SMS Integration**: Agent notifications and command system
- 🎛️ **Workflow Builder**: Visual call flow creation
- 🎤 **Voicemail System**: Recording, transcription, and notifications
- 📊 **Real-time Dashboard**: Queue management and statistics
## Installation Methods
### Option 1: Installation Script (Recommended)
```bash
# Run in plugin directory
./install-twilio-sdk.sh
```
### Option 2: Composer (For Development)
```bash
composer install
```
### Option 3: Manual Installation
1. Download Twilio SDK v8.7.0 from GitHub
2. Extract to `vendor/twilio/sdk/`
3. Create autoloader (see install script for reference)
## Architecture
The plugin uses:
- **Official Twilio PHP SDK v8.7.0** for all API operations
- **Native TwiML classes** for response generation
- **WordPress hooks and filters** for integration
- **Custom database tables** for call management
- **REST API endpoints** for webhooks
## Configuration
1. Install the SDK using the provided script
2. Configure Twilio credentials in WordPress admin
3. Set up phone numbers and webhook URLs
4. Create agent groups and workflows
5. Test with sample calls
## Troubleshooting
### "Twilio SDK classes not available" Error
1. **Run the installation script**:
```bash
chmod +x install-twilio-sdk.sh
./install-twilio-sdk.sh
```
2. **Test SDK installation**:
```bash
php test-sdk.php
```
3. **Check file permissions**:
```bash
ls -la vendor/
ls -la vendor/twilio/sdk/
```
4. **Verify directory structure**:
```
vendor/
├── autoload.php
└── twilio/
└── sdk/
├── Rest/Client.php
├── TwiML/VoiceResponse.php
└── ... (other SDK files)
```
### Plugin Shows 500 Error
- Check WordPress error logs
- Enable WP_DEBUG in wp-config.php
- Look for TWP Plugin error messages in logs
### SDK Installation Fails
- Ensure `curl` and `tar` are installed
- Check internet connection
- Try manual installation (see Installation Methods)
## Support
- Check `CLAUDE.md` for detailed technical documentation
- Review `TWILIO_SDK_MIGRATION.md` for migration details
- Enable WordPress debug logging for troubleshooting
- Use Twilio Console debugger for webhook testing
## License
This plugin integrates with Twilio services and requires a Twilio account.

240
TWILIO_SDK_MIGRATION.md Normal file
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@@ -0,0 +1,240 @@
# Twilio PHP SDK Migration Guide
This document outlines the migration of the Twilio WordPress Plugin from a custom API wrapper to the official Twilio PHP SDK v8.7.0.
## Overview
The plugin now supports both the official Twilio PHP SDK and falls back to a custom implementation when the SDK is not available. This provides better error handling, type safety, and access to the latest Twilio features while maintaining backward compatibility.
## Installation
### Option 1: Using the Installation Script (Recommended)
1. Navigate to your plugin directory
2. Run the installation script:
```bash
chmod +x install-twilio-sdk.sh
./install-twilio-sdk.sh
```
### Option 2: Manual Installation with Composer
1. Ensure Composer is installed on your system
2. Run in the plugin directory:
```bash
composer install
```
### Option 3: Manual Download
1. Download Twilio SDK v8.7.0 from: https://github.com/twilio/twilio-php/releases
2. Extract to `vendor/twilio/sdk/`
3. Create autoloader file (see installation script for reference)
## How It Works
### Auto-Detection
The plugin automatically detects if the Twilio SDK is available by:
1. Checking for `vendor/autoload.php`
2. Verifying the `Twilio\Rest\Client` class exists
3. Attempting to initialize the client
### Dual-Mode Operation
**SDK Mode (When Available):**
- Uses official Twilio PHP SDK classes
- Better error handling with specific Twilio exceptions
- Type safety and IDE support
- Automatic retries and rate limiting
- Official TwiML generation classes
**Fallback Mode (Default):**
- Uses custom WordPress HTTP API calls
- String-based TwiML generation
- Maintains all existing functionality
- No external dependencies required
## Code Changes
### API Class Updates
The `TWP_Twilio_API` class now:
- Detects SDK availability in the constructor
- Routes all methods through SDK when available
- Falls back to custom implementation seamlessly
- Maintains identical method signatures for compatibility
### TwiML Generation
**New Unified Approach:**
```php
// Works with both SDK and fallback
$api = new TWP_Twilio_API();
$response = $api->create_twiml();
$response->say('Hello world', ['voice' => 'alice']);
$response->dial('+1234567890', ['timeout' => 30]);
$twiml = $response->asXML();
```
**Old Approach (Now Deprecated):**
```php
// String concatenation - now handled automatically
$twiml = '<?xml version="1.0" encoding="UTF-8"?>';
$twiml .= '<Response>';
$twiml .= '<Say voice="alice">Hello world</Say>';
$twiml .= '</Response>';
```
### Updated Classes
1. **TWP_Twilio_API**: Core API wrapper with SDK integration
2. **TWP_Webhooks**: All webhook handlers updated to use new TwiML builder
3. **TWP_Callback_Manager**: Outbound calling and callback management
4. **TWP_Workflow**: Call flow TwiML generation
5. **TWP_Agent_Manager**: Agent call routing
## Benefits
### With SDK Available
- **Better Error Handling**: Specific exception types for different error scenarios
- **Type Safety**: IDE support and parameter validation
- **Official Support**: Direct access to latest Twilio features
- **Reliability**: Built-in retry logic and rate limiting
- **Performance**: Optimized for high-volume operations
### Without SDK (Fallback)
- **No Dependencies**: Works on any PHP installation
- **Lightweight**: Minimal memory footprint
- **Compatibility**: Works with older PHP versions
- **Reliability**: Battle-tested custom implementation
## Supported PHP Versions
- **With SDK**: PHP 8.0+ (SDK v8.7.0 supports PHP 8.4)
- **Without SDK**: PHP 7.2+ (fallback implementation)
## Feature Support
### API Operations
- ✅ Make calls
- ✅ Send SMS
- ✅ Get call details
- ✅ Update active calls
- ✅ Manage phone numbers
- ✅ Search available numbers
- ✅ Purchase/release numbers
- ✅ Configure webhooks
### TwiML Generation
- ✅ Say (text-to-speech)
- ✅ Dial (with caller ID, timeout)
- ✅ Gather (digit collection with prompts)
- ✅ Enqueue (queue management)
- ✅ Record (voicemail recording)
- ✅ Redirect (call flow control)
- ✅ Hangup
### Advanced Features
- ✅ Webhook signature validation
- ✅ Conference calling
- ✅ Queue management
- ✅ Agent group routing
- ✅ Callback requests
- ✅ Voicemail transcription
## Testing
### Verifying SDK Installation
Check the admin dashboard or logs for:
```
TWP Plugin: Twilio SDK v8.7.0 loaded successfully
```
### API Testing
Use the plugin's test call feature to verify:
1. Outbound calling works
2. TwiML generation is valid
3. Webhooks receive proper responses
4. Error handling functions correctly
### Manual Testing
1. **Test Call Flow**: Make a test call to verify TwiML generation
2. **Webhook Testing**: Use Twilio's webhook debugger
3. **Error Scenarios**: Test invalid numbers, network failures
4. **Queue Operations**: Test agent groups and callbacks
## Troubleshooting
### SDK Not Loading
**Check autoloader exists:**
```bash
ls -la vendor/autoload.php
```
**Check SDK files:**
```bash
ls -la vendor/twilio/sdk/
```
**PHP Version:**
```bash
php -v # Should be 8.0+ for SDK support
```
### Common Issues
1. **"Class 'Twilio\Rest\Client' not found"**
- SDK not properly installed
- Run installation script again
2. **"Call to undefined method"**
- Fallback mode active
- Check SDK installation
- Verify PHP version compatibility
3. **"Permission denied" on installation script**
- Run: `chmod +x install-twilio-sdk.sh`
### Fallback Mode Indicators
The plugin uses fallback mode when:
- No `vendor/autoload.php` file
- Twilio classes not available
- SDK initialization fails
- PHP version incompatibility
## Migration Timeline
- ✅ **Phase 1**: Core API wrapper updated
- ✅ **Phase 2**: Webhook classes migrated
- ✅ **Phase 3**: TwiML generation unified
- ✅ **Phase 4**: Error handling improved
- ⏳ **Phase 5**: Testing and validation
- 📋 **Phase 6**: Documentation complete
## Rollback Plan
If issues arise, the plugin automatically falls back to the custom implementation. No manual intervention required.
To completely disable SDK usage:
1. Remove or rename `vendor/` directory
2. Plugin will automatically use fallback mode
## Support
For issues related to:
- **Plugin functionality**: Check WordPress error logs
- **Twilio API errors**: Check Twilio Console debugger
- **SDK-specific issues**: Refer to [Twilio PHP SDK documentation](https://www.twilio.com/docs/libraries/reference/twilio-php/)
## Resources
- [Twilio PHP SDK GitHub](https://github.com/twilio/twilio-php)
- [Twilio API Documentation](https://www.twilio.com/docs/usage/api)
- [TwiML Reference](https://www.twilio.com/docs/voice/twiml)
- [WordPress HTTP API](https://developer.wordpress.org/reference/classes/wp_http/)

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composer.json Normal file
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@@ -0,0 +1,29 @@
{
"name": "twilio-wp/twilio-wp-plugin",
"description": "WordPress plugin for Twilio voice and SMS integration - REQUIRES Twilio SDK",
"type": "wordpress-plugin",
"require": {
"php": ">=8.0",
"twilio/sdk": "^8.7"
},
"autoload": {
"classmap": [
"includes/",
"admin/"
]
},
"config": {
"optimize-autoloader": true,
"platform": {
"php": "8.0"
}
},
"scripts": {
"post-install-cmd": [
"echo 'Twilio SDK installed successfully!'"
],
"install-sdk": [
"./install-twilio-sdk.sh"
]
}
}

83
debug-phone-numbers.php Normal file
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@@ -0,0 +1,83 @@
<?php
/**
* Debug script to see what Twilio SDK actually returns
* Run this to debug phone number issues
*/
// Load WordPress (adjust path as needed)
$wp_load_path = dirname(dirname(dirname(dirname(__FILE__)))) . '/wp-load.php';
if (!file_exists($wp_load_path)) {
echo "WordPress not found. Please adjust the path in this script.\n";
echo "Looking for: $wp_load_path\n";
exit(1);
}
require_once $wp_load_path;
echo "Debug: Twilio Phone Numbers\n";
echo "===========================\n\n";
// Load Twilio SDK
$autoloader = __DIR__ . '/vendor/autoload.php';
if (!file_exists($autoloader)) {
echo "ERROR: SDK not found. Run ./install-twilio-sdk.sh first.\n";
exit(1);
}
require_once $autoloader;
// Get Twilio credentials from WordPress
$account_sid = get_option('twp_twilio_account_sid');
$auth_token = get_option('twp_twilio_auth_token');
if (empty($account_sid) || empty($auth_token)) {
echo "ERROR: Twilio credentials not configured in WordPress.\n";
exit(1);
}
echo "Account SID: " . substr($account_sid, 0, 10) . "...\n";
echo "Auth Token: " . substr($auth_token, 0, 10) . "...\n\n";
try {
// Create Twilio client
$client = new \Twilio\Rest\Client($account_sid, $auth_token);
echo "✅ Twilio client created successfully\n\n";
// Get phone numbers
echo "Fetching phone numbers...\n";
$numbers = $client->incomingPhoneNumbers->read([], 10);
if (empty($numbers)) {
echo "No phone numbers found in your Twilio account.\n";
exit(0);
}
echo "Found " . count($numbers) . " phone number(s):\n\n";
foreach ($numbers as $i => $number) {
echo "=== Phone Number " . ($i + 1) . " ===\n";
echo "SID: " . $number->sid . "\n";
echo "Phone Number: " . $number->phoneNumber . "\n";
echo "Friendly Name: " . ($number->friendlyName ?: '[Not set]') . "\n";
echo "Voice URL: " . ($number->voiceUrl ?: '[Not set]') . "\n";
echo "SMS URL: " . ($number->smsUrl ?: '[Not set]') . "\n";
echo "Account SID: " . $number->accountSid . "\n";
// Debug capabilities object
echo "\nCapabilities (raw object):\n";
var_dump($number->capabilities);
echo "\nCapabilities (properties):\n";
echo "- Voice: " . ($number->capabilities->voice ? 'YES' : 'NO') . "\n";
echo "- SMS: " . ($number->capabilities->sms ? 'YES' : 'NO') . "\n";
echo "- MMS: " . ($number->capabilities->mms ? 'YES' : 'NO') . "\n";
echo "\n" . str_repeat('-', 40) . "\n\n";
}
} catch (Exception $e) {
echo "ERROR: " . $e->getMessage() . "\n";
echo "Class: " . get_class($e) . "\n";
exit(1);
}
echo "Debug complete!\n";

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@@ -239,8 +239,7 @@ class TWP_Agent_Manager {
// Create TwiML to redirect the call
$twiml = new \Twilio\TwiML\VoiceResponse();
$dial = $twiml->dial();
$dial->number($phone_number, [
$twiml->dial($phone_number, [
'statusCallback' => home_url('/wp-json/twilio-webhook/v1/call-status'),
'statusCallbackEvent' => array('completed')
]);
@@ -307,20 +306,17 @@ class TWP_Agent_Manager {
// Play a message while dialing
$twiml->say('Please wait while we connect your call...', ['voice' => 'alice']);
// Create a dial with simultaneous ring
// Create a dial with simultaneous ring to all group members
$dial = $twiml->dial([
'timeout' => 30,
'action' => home_url('/wp-json/twilio-webhook/v1/dial-status'),
'method' => 'POST'
]);
// Add each member's number to the dial
// Add each member's number to the dial for simultaneous ring
foreach ($members as $member) {
if ($member['phone_number']) {
$dial->number($member['phone_number'], [
'statusCallback' => home_url('/wp-json/twilio-webhook/v1/member-status'),
'statusCallbackEvent' => array('answered', 'completed')
]);
$dial->number($member['phone_number']);
}
}

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@@ -232,17 +232,13 @@ class TWP_Callback_Manager {
* Handle outbound agent answered
*/
public static function handle_outbound_agent_answered($target_number, $agent_call_sid) {
$twilio = new TWP_Twilio_API();
// Create TwiML to call the target number
$twiml = new \Twilio\TwiML\VoiceResponse();
$twiml->say('Connecting your call...', ['voice' => 'alice']);
$dial = $twiml->dial([
'callerId' => get_option('twp_caller_id_number', ''), // Use configured caller ID
$twiml->dial($target_number, [
'callerId' => get_option('twp_caller_id_number', ''),
'timeout' => 30
]);
$dial->number($target_number);
// If no answer, leave a message
$twiml->say('The number you called is not available. Please try again later.', ['voice' => 'alice']);
@@ -259,7 +255,10 @@ class TWP_Callback_Manager {
$gather = $twiml->gather([
'numDigits' => 1,
'timeout' => 10,
'action' => home_url('/wp-json/twilio-webhook/v1/callback-choice'),
'action' => home_url('/wp-json/twilio-webhook/v1/callback-choice?' . http_build_query([
'queue_id' => $queue_id,
'phone_number' => $caller_number
])),
'method' => 'POST'
]);

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@@ -1,276 +1,474 @@
<?php
/**
* Twilio API integration class
* Twilio API integration class using official Twilio PHP SDK
*/
class TWP_Twilio_API {
private $account_sid;
private $auth_token;
private $client;
private $phone_number;
private $api_base = 'https://api.twilio.com/2010-04-01';
/**
* Constructor
*/
public function __construct() {
$this->account_sid = get_option('twp_twilio_account_sid');
$this->auth_token = get_option('twp_twilio_auth_token');
$this->init_sdk_client();
$this->phone_number = get_option('twp_twilio_phone_number');
}
/**
* Initialize Twilio SDK client
*/
private function init_sdk_client() {
// Check if autoloader exists
$autoloader_path = TWP_PLUGIN_DIR . 'vendor/autoload.php';
if (!file_exists($autoloader_path)) {
error_log('TWP Plugin: Autoloader not found at: ' . $autoloader_path);
throw new Exception('Twilio SDK not found. Please run: ./install-twilio-sdk.sh');
}
// Load the autoloader
require_once $autoloader_path;
// Give more detailed error information
if (!class_exists('Twilio\Rest\Client')) {
$sdk_path = TWP_PLUGIN_DIR . 'vendor/twilio/sdk';
$client_file = $sdk_path . '/Rest/Client.php';
error_log('TWP Plugin: Twilio SDK classes not found.');
error_log('TWP Plugin: Looking for SDK at: ' . $sdk_path);
error_log('TWP Plugin: Client.php exists: ' . (file_exists($client_file) ? 'YES' : 'NO'));
error_log('TWP Plugin: SDK directory contents: ' . print_r(scandir($sdk_path), true));
throw new Exception('Twilio SDK classes not available. Please reinstall with: ./install-twilio-sdk.sh');
}
$account_sid = get_option('twp_twilio_account_sid');
$auth_token = get_option('twp_twilio_auth_token');
if (empty($account_sid) || empty($auth_token)) {
throw new Exception('Twilio credentials not configured. Please check your WordPress admin settings.');
}
try {
$this->client = new \Twilio\Rest\Client($account_sid, $auth_token);
error_log('TWP Plugin: Twilio SDK initialized successfully');
} catch (Exception $e) {
error_log('TWP Plugin: Failed to initialize Twilio client: ' . $e->getMessage());
throw new Exception('Failed to initialize Twilio SDK: ' . $e->getMessage());
}
}
/**
* Make a phone call
*/
public function make_call($to_number, $twiml_url, $status_callback = null, $from_number = null) {
$url = $this->api_base . '/Accounts/' . $this->account_sid . '/Calls.json';
try {
$params = [
'url' => $twiml_url,
'from' => $from_number ?: $this->phone_number,
'to' => $to_number
];
$data = array(
'To' => $to_number,
'From' => $from_number ?: $this->phone_number,
'Url' => $twiml_url
);
if ($status_callback) {
$params['statusCallback'] = $status_callback;
$params['statusCallbackEvent'] = ['initiated', 'ringing', 'answered', 'completed'];
}
if ($status_callback) {
$data['StatusCallback'] = $status_callback;
$data['StatusCallbackEvent'] = array('initiated', 'ringing', 'answered', 'completed');
$call = $this->client->calls->create(
$to_number,
$from_number ?: $this->phone_number,
$params
);
return [
'success' => true,
'data' => [
'sid' => $call->sid,
'status' => $call->status,
'from' => $call->from,
'to' => $call->to,
'direction' => $call->direction,
'price' => $call->price,
'priceUnit' => $call->priceUnit
]
];
} catch (\Twilio\Exceptions\TwilioException $e) {
return [
'success' => false,
'error' => $e->getMessage(),
'code' => $e->getCode()
];
}
return $this->make_request('POST', $url, $data);
}
/**
* Forward a call
*/
public function forward_call($call_sid, $to_number) {
$twiml = new SimpleXMLElement('<?xml version="1.0" encoding="UTF-8"?><Response></Response>');
$dial = $twiml->addChild('Dial');
$dial->addChild('Number', $to_number);
try {
$twiml = new \Twilio\TwiML\VoiceResponse();
$twiml->dial($to_number);
return $this->update_call($call_sid, array(
'Twiml' => $twiml->asXML()
));
$call = $this->client->calls($call_sid)->update([
'twiml' => $twiml->asXML()
]);
return [
'success' => true,
'data' => [
'sid' => $call->sid,
'status' => $call->status
]
];
} catch (\Twilio\Exceptions\TwilioException $e) {
return [
'success' => false,
'error' => $e->getMessage(),
'code' => $e->getCode()
];
}
}
/**
* Update an active call
*/
public function update_call($call_sid, $params) {
$url = $this->api_base . '/Accounts/' . $this->account_sid . '/Calls/' . $call_sid . '.json';
return $this->make_request('POST', $url, $params);
try {
$call = $this->client->calls($call_sid)->update($params);
return [
'success' => true,
'data' => [
'sid' => $call->sid,
'status' => $call->status,
'from' => $call->from,
'to' => $call->to
]
];
} catch (\Twilio\Exceptions\TwilioException $e) {
return [
'success' => false,
'error' => $e->getMessage(),
'code' => $e->getCode()
];
}
}
/**
* Get call details
*/
public function get_call($call_sid) {
$url = $this->api_base . '/Accounts/' . $this->account_sid . '/Calls/' . $call_sid . '.json';
return $this->make_request('GET', $url);
try {
$call = $this->client->calls($call_sid)->fetch();
return [
'success' => true,
'data' => [
'sid' => $call->sid,
'status' => $call->status,
'from' => $call->from,
'to' => $call->to,
'direction' => $call->direction,
'duration' => $call->duration,
'price' => $call->price,
'priceUnit' => $call->priceUnit
]
];
} catch (\Twilio\Exceptions\TwilioException $e) {
return [
'success' => false,
'error' => $e->getMessage(),
'code' => $e->getCode()
];
}
}
/**
* Create TwiML for queue
*/
public function create_queue_twiml($queue_name, $wait_url = null, $wait_message = null) {
$twiml = new SimpleXMLElement('<?xml version="1.0" encoding="UTF-8"?><Response></Response>');
try {
$response = new \Twilio\TwiML\VoiceResponse();
if ($wait_message) {
$say = $twiml->addChild('Say', $wait_message);
$say->addAttribute('voice', 'alice');
if ($wait_message) {
$response->say($wait_message, ['voice' => 'alice']);
}
$enqueue = $response->enqueue($queue_name);
if ($wait_url) {
$enqueue->waitUrl($wait_url);
}
return $response->asXML();
} catch (Exception $e) {
error_log('TWP Plugin: Failed to create queue TwiML: ' . $e->getMessage());
throw $e;
}
$enqueue = $twiml->addChild('Enqueue', $queue_name);
if ($wait_url) {
$enqueue->addAttribute('waitUrl', $wait_url);
}
return $twiml->asXML();
}
/**
* Create TwiML for IVR menu
*/
public function create_ivr_twiml($message, $options = array()) {
$twiml = new SimpleXMLElement('<?xml version="1.0" encoding="UTF-8"?><Response></Response>');
try {
$response = new \Twilio\TwiML\VoiceResponse();
$gather = $twiml->addChild('Gather');
$gather->addAttribute('numDigits', '1');
$gather->addAttribute('timeout', '10');
$gather = $response->gather([
'numDigits' => 1,
'timeout' => 10,
'action' => isset($options['action_url']) ? $options['action_url'] : null
]);
if (!empty($options['action_url'])) {
$gather->addAttribute('action', $options['action_url']);
$gather->say($message, ['voice' => 'alice']);
if (!empty($options['no_input_message'])) {
$response->say($options['no_input_message'], ['voice' => 'alice']);
}
return $response->asXML();
} catch (Exception $e) {
error_log('TWP Plugin: Failed to create IVR TwiML: ' . $e->getMessage());
throw $e;
}
$say = $gather->addChild('Say', $message);
$say->addAttribute('voice', 'alice');
// Fallback if no input
if (!empty($options['no_input_message'])) {
$say_fallback = $twiml->addChild('Say', $options['no_input_message']);
$say_fallback->addAttribute('voice', 'alice');
}
return $twiml->asXML();
}
/**
* Send SMS
*/
public function send_sms($to_number, $message) {
$url = $this->api_base . '/Accounts/' . $this->account_sid . '/Messages.json';
public function send_sms($to_number, $message, $from_number = null) {
try {
$sms = $this->client->messages->create(
$to_number,
[
'from' => $from_number ?: $this->phone_number,
'body' => $message
]
);
$data = array(
'To' => $to_number,
'From' => $this->phone_number,
'Body' => $message
);
return $this->make_request('POST', $url, $data);
return [
'success' => true,
'data' => [
'sid' => $sms->sid,
'status' => $sms->status,
'from' => $sms->from,
'to' => $sms->to,
'body' => $sms->body,
'price' => $sms->price,
'priceUnit' => $sms->priceUnit
]
];
} catch (\Twilio\Exceptions\TwilioException $e) {
return [
'success' => false,
'error' => $e->getMessage(),
'code' => $e->getCode()
];
}
}
/**
* Get available phone numbers
*/
public function get_phone_numbers() {
$url = $this->api_base . '/Accounts/' . $this->account_sid . '/IncomingPhoneNumbers.json';
return $this->make_request('GET', $url);
try {
$numbers = $this->client->incomingPhoneNumbers->read([], 50);
$numbers_data = [];
foreach ($numbers as $number) {
$numbers_data[] = [
'sid' => $number->sid ?: '',
'phoneNumber' => $number->phoneNumber ?: '',
'friendlyName' => $number->friendlyName ?: $number->phoneNumber ?: 'Unknown',
'voiceUrl' => $number->voiceUrl ?: '',
'smsUrl' => $number->smsUrl ?: '',
'capabilities' => [
'voice' => $number->capabilities ? (bool)$number->capabilities->getVoice() : false,
'sms' => $number->capabilities ? (bool)$number->capabilities->getSms() : false,
'mms' => $number->capabilities ? (bool)$number->capabilities->getMms() : false
]
];
}
return [
'success' => true,
'data' => [
'incoming_phone_numbers' => $numbers_data
]
];
} catch (\Twilio\Exceptions\TwilioException $e) {
return [
'success' => false,
'error' => $e->getMessage(),
'code' => $e->getCode()
];
}
}
/**
* Search for available phone numbers
*/
public function search_available_numbers($country_code = 'US', $area_code = null, $contains = null, $limit = 20) {
$url = $this->api_base . '/Accounts/' . $this->account_sid . '/AvailablePhoneNumbers/' . $country_code . '/Local.json';
try {
$params = ['limit' => $limit];
$params = array('Limit' => $limit);
if ($area_code) {
$params['areaCode'] = $area_code;
}
if ($area_code) {
$params['AreaCode'] = $area_code;
if ($contains) {
$params['contains'] = $contains;
}
$numbers = $this->client->availablePhoneNumbers($country_code)
->local
->read($params, $limit);
$numbers_data = [];
foreach ($numbers as $number) {
$numbers_data[] = [
'phoneNumber' => $number->phoneNumber ?: '',
'friendlyName' => $number->friendlyName ?: $number->phoneNumber ?: 'Available Number',
'locality' => $number->locality ?: '',
'region' => $number->region ?: '',
'postalCode' => $number->postalCode ?: '',
'capabilities' => [
'voice' => $number->capabilities ? (bool)$number->capabilities->getVoice() : false,
'sms' => $number->capabilities ? (bool)$number->capabilities->getSms() : false,
'mms' => $number->capabilities ? (bool)$number->capabilities->getMms() : false
]
];
}
return [
'success' => true,
'data' => [
'available_phone_numbers' => $numbers_data
]
];
} catch (\Twilio\Exceptions\TwilioException $e) {
return [
'success' => false,
'error' => $e->getMessage(),
'code' => $e->getCode()
];
}
if ($contains) {
$params['Contains'] = $contains;
}
$url .= '?' . http_build_query($params);
return $this->make_request('GET', $url);
}
/**
* Purchase a phone number
*/
public function purchase_phone_number($phone_number, $voice_url = null, $sms_url = null) {
$url = $this->api_base . '/Accounts/' . $this->account_sid . '/IncomingPhoneNumbers.json';
try {
$params = ['phoneNumber' => $phone_number];
$data = array(
'PhoneNumber' => $phone_number
);
if ($voice_url) {
$params['voiceUrl'] = $voice_url;
$params['voiceMethod'] = 'POST';
}
if ($voice_url) {
$data['VoiceUrl'] = $voice_url;
$data['VoiceMethod'] = 'POST';
if ($sms_url) {
$params['smsUrl'] = $sms_url;
$params['smsMethod'] = 'POST';
}
$number = $this->client->incomingPhoneNumbers->create($params);
return [
'success' => true,
'data' => [
'sid' => $number->sid,
'phoneNumber' => $number->phoneNumber,
'friendlyName' => $number->friendlyName,
'voiceUrl' => $number->voiceUrl,
'smsUrl' => $number->smsUrl
]
];
} catch (\Twilio\Exceptions\TwilioException $e) {
return [
'success' => false,
'error' => $e->getMessage(),
'code' => $e->getCode()
];
}
if ($sms_url) {
$data['SmsUrl'] = $sms_url;
$data['SmsMethod'] = 'POST';
}
return $this->make_request('POST', $url, $data);
}
/**
* Release a phone number
*/
public function release_phone_number($phone_number_sid) {
$url = $this->api_base . '/Accounts/' . $this->account_sid . '/IncomingPhoneNumbers/' . $phone_number_sid . '.json';
return $this->make_request('DELETE', $url);
try {
$this->client->incomingPhoneNumbers($phone_number_sid)->delete();
return [
'success' => true,
'data' => [
'message' => 'Phone number released successfully'
]
];
} catch (\Twilio\Exceptions\TwilioException $e) {
return [
'success' => false,
'error' => $e->getMessage(),
'code' => $e->getCode()
];
}
}
/**
* Configure phone number webhook
*/
public function configure_phone_number($phone_sid, $voice_url, $sms_url = null) {
$url = $this->api_base . '/Accounts/' . $this->account_sid . '/IncomingPhoneNumbers/' . $phone_sid . '.json';
try {
$params = [
'voiceUrl' => $voice_url,
'voiceMethod' => 'POST'
];
$data = array(
'VoiceUrl' => $voice_url,
'VoiceMethod' => 'POST'
);
if ($sms_url) {
$params['smsUrl'] = $sms_url;
$params['smsMethod'] = 'POST';
}
if ($sms_url) {
$data['SmsUrl'] = $sms_url;
$data['SmsMethod'] = 'POST';
$number = $this->client->incomingPhoneNumbers($phone_sid)->update($params);
return [
'success' => true,
'data' => [
'sid' => $number->sid,
'phoneNumber' => $number->phoneNumber,
'voiceUrl' => $number->voiceUrl,
'smsUrl' => $number->smsUrl
]
];
} catch (\Twilio\Exceptions\TwilioException $e) {
return [
'success' => false,
'error' => $e->getMessage(),
'code' => $e->getCode()
];
}
return $this->make_request('POST', $url, $data);
}
/**
* Make API request
* Create TwiML helper - returns SDK VoiceResponse
*/
private function make_request($method, $url, $data = array()) {
$args = array(
'method' => $method,
'headers' => array(
'Authorization' => 'Basic ' . base64_encode($this->account_sid . ':' . $this->auth_token),
'Content-Type' => 'application/x-www-form-urlencoded'
),
'timeout' => 30
);
public function create_twiml() {
return new \Twilio\TwiML\VoiceResponse();
}
if ($method === 'POST' && !empty($data)) {
$args['body'] = $data;
}
if ($method === 'GET') {
$response = wp_remote_get($url, $args);
} else {
$response = wp_remote_post($url, $args);
}
if (is_wp_error($response)) {
return array(
'success' => false,
'error' => $response->get_error_message()
);
}
$body = wp_remote_retrieve_body($response);
$decoded = json_decode($body, true);
$status_code = wp_remote_retrieve_response_code($response);
if ($status_code >= 200 && $status_code < 300) {
return array(
'success' => true,
'data' => $decoded
);
} else {
return array(
'success' => false,
'error' => isset($decoded['message']) ? $decoded['message'] : 'API request failed',
'code' => $status_code
);
}
/**
* Get the Twilio client instance
*/
public function get_client() {
return $this->client;
}
/**
* Validate webhook signature
*/
public function validate_webhook_signature($url, $params, $signature) {
$data = $url;
if (is_array($params) && !empty($params)) {
ksort($params);
foreach ($params as $key => $value) {
$data .= $key . $value;
}
}
$computed_signature = base64_encode(hash_hmac('sha1', $data, $this->auth_token, true));
return hash_equals($signature, $computed_signature);
$validator = new \Twilio\Security\RequestValidator(get_option('twp_twilio_auth_token'));
return $validator->validate($signature, $url, $params);
}
}

View File

@@ -658,11 +658,10 @@ class TWP_Webhooks {
* Send default response
*/
private function send_default_response() {
$twiml = new SimpleXMLElement('<?xml version="1.0" encoding="UTF-8"?><Response></Response>');
$say = $twiml->addChild('Say', 'Thank you for calling. Goodbye.');
$say->addAttribute('voice', 'alice');
$twiml->addChild('Hangup');
echo $twiml->asXML();
$response = new \Twilio\TwiML\VoiceResponse();
$response->say('Thank you for calling. Goodbye.', ['voice' => 'alice']);
$response->hangup();
echo $response->asXML();
}
/**
@@ -1074,17 +1073,13 @@ class TWP_Webhooks {
error_log('TWP Outbound Webhook - All params: ' . print_r($params, true));
if ($target_number && $from_number) {
// Create TwiML to call the target number with the specified from number
$twiml = '<?xml version="1.0" encoding="UTF-8"?>';
$twiml .= '<Response>';
$twiml .= '<Say voice="alice">Connecting your outbound call...</Say>';
$twiml .= '<Dial callerId="' . esc_attr($from_number) . '" timeout="30">';
$twiml .= '<Number>' . esc_html($target_number) . '</Number>';
$twiml .= '</Dial>';
$twiml .= '<Say voice="alice">The number you called is not available. Please try again later.</Say>';
$twiml .= '</Response>';
// Create TwiML using SDK directly
$response = new \Twilio\TwiML\VoiceResponse();
$response->say('Connecting your outbound call...', ['voice' => 'alice']);
$response->dial($target_number, ['callerId' => $from_number, 'timeout' => 30]);
return $this->send_twiml_response($twiml);
// If call isn't answered, the TwiML will handle the fallback
return $this->send_twiml_response($response->asXML());
} else {
// Enhanced error message with debugging info
$error_msg = 'Unable to process outbound call.';
@@ -1097,16 +1092,18 @@ class TWP_Webhooks {
error_log('TWP Outbound Error: ' . $error_msg . ' Params: ' . json_encode($params));
$twiml = '<?xml version="1.0" encoding="UTF-8"?>';
$twiml .= '<Response><Say voice="alice">' . esc_html($error_msg) . '</Say><Hangup/></Response>';
return $this->send_twiml_response($twiml);
$error_response = new \Twilio\TwiML\VoiceResponse();
$error_response->say($error_msg, ['voice' => 'alice']);
$error_response->hangup();
return $this->send_twiml_response($error_response->asXML());
}
} catch (Exception $e) {
error_log('TWP Outbound Webhook Exception: ' . $e->getMessage());
$twiml = '<?xml version="1.0" encoding="UTF-8"?>';
$twiml .= '<Response><Say voice="alice">Technical error occurred. Please try again.</Say><Hangup/></Response>';
return $this->send_twiml_response($twiml);
$exception_response = new \Twilio\TwiML\VoiceResponse();
$exception_response->say('Technical error occurred. Please try again.', ['voice' => 'alice']);
$exception_response->hangup();
return $this->send_twiml_response($exception_response->asXML());
}
}
}

View File

@@ -341,9 +341,8 @@ class TWP_Workflow {
} else if ($routing['action'] === 'forward' && $routing['data']['forward_number']) {
// Forward call
$twiml = new \Twilio\TwiML\VoiceResponse();
$dial = $twiml->dial();
$dial->number($routing['data']['forward_number']);
return $twiml;
$twiml->dial($routing['data']['forward_number']);
return $twiml->asXML();
}
// Fallback to legacy behavior if new routing doesn't work

136
install-twilio-sdk.sh Normal file
View File

@@ -0,0 +1,136 @@
#!/bin/bash
# Script to install Twilio PHP SDK without Composer
# This is REQUIRED for the plugin to work properly
echo "Installing Twilio PHP SDK v8.7.0..."
echo "IMPORTANT: This SDK is required for the plugin to function."
# Check if we can download files
if ! command -v curl &> /dev/null; then
echo "ERROR: curl is required to download the SDK"
echo "Please install curl and try again"
exit 1
fi
if ! command -v tar &> /dev/null; then
echo "ERROR: tar is required to extract the SDK"
echo "Please install tar and try again"
exit 1
fi
# Create vendor directory if it doesn't exist
mkdir -p vendor/twilio/sdk
# Download the latest release (8.7.0)
echo "Downloading Twilio SDK from GitHub..."
if ! curl -L https://github.com/twilio/twilio-php/archive/refs/tags/8.7.0.tar.gz -o twilio-sdk.tar.gz; then
echo "ERROR: Failed to download Twilio SDK"
echo "Please check your internet connection and try again"
exit 1
fi
# Extract the archive
echo "Extracting SDK files..."
if ! tar -xzf twilio-sdk.tar.gz; then
echo "ERROR: Failed to extract SDK files"
exit 1
fi
# Check if the extracted directory exists
if [ ! -d "twilio-php-8.7.0/src" ]; then
echo "ERROR: Extracted SDK directory structure is unexpected"
exit 1
fi
# Create the Twilio directory structure
echo "Setting up SDK directory structure..."
mkdir -p vendor/twilio
# Remove existing SDK if it exists
if [ -d "vendor/twilio/sdk" ]; then
rm -rf vendor/twilio/sdk
fi
# Move the entire src directory to be the sdk
echo "Installing SDK files..."
if ! mv twilio-php-8.7.0/src vendor/twilio/sdk; then
echo "ERROR: Failed to move SDK files"
exit 1
fi
# Create a comprehensive autoloader
cat > vendor/autoload.php << 'EOF'
<?php
/**
* Twilio SDK v8.7.0 Autoloader
* This file loads the Twilio PHP SDK classes
*/
// Prevent multiple registrations
if (!defined('TWILIO_AUTOLOADER_REGISTERED')) {
define('TWILIO_AUTOLOADER_REGISTERED', true);
// Register the autoloader
spl_autoload_register(function ($class) {
// Only handle Twilio classes
if (strpos($class, 'Twilio\\') !== 0) {
return false;
}
// Convert class name to file path
$relative_class = substr($class, 7); // Remove 'Twilio\'
$file = __DIR__ . '/twilio/sdk/' . str_replace('\\', '/', $relative_class) . '.php';
if (file_exists($file)) {
require_once $file;
return true;
}
return false;
});
// Try to load the SDK's own autoloader if it exists
$sdk_autoloader = __DIR__ . '/twilio/sdk/autoload.php';
if (file_exists($sdk_autoloader)) {
require_once $sdk_autoloader;
}
// Load essential Twilio classes manually to ensure they're available
$essential_classes = [
__DIR__ . '/twilio/sdk/Rest/Client.php',
__DIR__ . '/twilio/sdk/TwiML/VoiceResponse.php',
__DIR__ . '/twilio/sdk/Exceptions/TwilioException.php',
__DIR__ . '/twilio/sdk/Security/RequestValidator.php'
];
foreach ($essential_classes as $class_file) {
if (file_exists($class_file)) {
require_once $class_file;
}
}
}
EOF
# Clean up
rm -rf twilio-php-8.7.0
rm twilio-sdk.tar.gz
# Verify installation
echo ""
echo "Verifying installation..."
if [ -f "vendor/autoload.php" ] && [ -d "vendor/twilio/sdk" ]; then
echo "✓ Twilio SDK v8.7.0 installed successfully!"
echo "✓ Autoloader created"
echo "✓ Installation complete"
echo ""
echo "The Twilio WordPress Plugin is now ready to use."
echo ""
echo "Next steps:"
echo "1. Configure your Twilio credentials in WordPress admin"
echo "2. Set up your phone numbers and webhooks"
echo "3. Test the installation with a sample call"
else
echo "✗ Installation failed - files not found"
exit 1
fi

34
test-ajax-response.php Normal file
View File

@@ -0,0 +1,34 @@
<?php
/**
* Test what the AJAX method actually returns
*/
// Load WordPress
$wp_load_path = dirname(dirname(dirname(dirname(__FILE__)))) . '/wp-load.php';
require_once $wp_load_path;
// Load the plugin
require_once __DIR__ . '/includes/class-twp-twilio-api.php';
// Create API instance
$api = new TWP_Twilio_API();
// Get phone numbers
$response = $api->get_phone_numbers();
echo "API Response:\n";
echo "=============\n";
print_r($response);
if ($response['success'] && !empty($response['data']['incoming_phone_numbers'])) {
echo "\nFirst phone number data:\n";
echo "========================\n";
$first = $response['data']['incoming_phone_numbers'][0];
foreach ($first as $key => $value) {
if (is_array($value)) {
echo "$key: " . json_encode($value) . "\n";
} else {
echo "$key: $value\n";
}
}
}

37
test-capabilities.php Normal file
View File

@@ -0,0 +1,37 @@
<?php
/**
* Test script to check PhoneNumberCapabilities methods
*/
// Load the autoloader
require_once __DIR__ . '/vendor/autoload.php';
// Create a mock capabilities object to test available methods
echo "Testing PhoneNumberCapabilities methods:\n";
echo "========================================\n";
// We'll check what methods are available
$reflection = new ReflectionClass('Twilio\Base\PhoneNumberCapabilities');
$methods = $reflection->getMethods(ReflectionMethod::IS_PUBLIC);
echo "Public methods available:\n";
foreach ($methods as $method) {
if (!$method->isConstructor() && !$method->isDestructor()) {
echo "- " . $method->getName() . "()\n";
}
}
echo "\nProperties:\n";
$properties = $reflection->getProperties();
foreach ($properties as $property) {
echo "- " . $property->getName() . " (" . ($property->isPublic() ? 'public' : ($property->isProtected() ? 'protected' : 'private')) . ")\n";
}
// Check if we can access via array notation
echo "\nTesting array access:\n";
try {
// This won't work, but let's see what happens
echo "ArrayAccess interface: " . (in_array('ArrayAccess', class_implements('Twilio\Base\PhoneNumberCapabilities')) ? 'YES' : 'NO') . "\n";
} catch (Exception $e) {
echo "Error: " . $e->getMessage() . "\n";
}

71
test-sdk.php Normal file
View File

@@ -0,0 +1,71 @@
<?php
/**
* Simple test script to verify Twilio SDK installation
* Run this from command line: php test-sdk.php
*/
echo "Twilio SDK Installation Test\n";
echo "===========================\n\n";
// Check if autoloader exists
$autoloader = __DIR__ . '/vendor/autoload.php';
echo "1. Checking autoloader...\n";
echo " Path: $autoloader\n";
if (!file_exists($autoloader)) {
echo " ❌ FAIL: Autoloader not found\n";
echo " Please run: ./install-twilio-sdk.sh\n";
exit(1);
}
echo " ✅ OK: Autoloader exists\n\n";
// Load autoloader
echo "2. Loading autoloader...\n";
require_once $autoloader;
echo " ✅ OK: Autoloader loaded\n\n";
// Check for Twilio classes
echo "3. Checking Twilio classes...\n";
$classes_to_check = [
'Twilio\Rest\Client',
'Twilio\TwiML\VoiceResponse',
'Twilio\Exceptions\TwilioException',
'Twilio\Security\RequestValidator'
];
$all_good = true;
foreach ($classes_to_check as $class) {
if (class_exists($class)) {
echo " ✅ OK: $class\n";
} else {
echo " ❌ FAIL: $class not found\n";
$all_good = false;
}
}
echo "\n";
if ($all_good) {
echo "🎉 SUCCESS: Twilio SDK is properly installed!\n";
echo "\nYou can now use the WordPress plugin.\n";
echo "Don't forget to configure your Twilio credentials in WordPress admin.\n";
} else {
echo "❌ FAILURE: SDK installation incomplete\n";
echo "\nPlease run: ./install-twilio-sdk.sh\n";
exit(1);
}
// Try to create a simple TwiML response
echo "\n4. Testing TwiML generation...\n";
try {
$response = new \Twilio\TwiML\VoiceResponse();
$response->say('Hello from Twilio SDK test!');
echo " ✅ OK: TwiML generation works\n";
echo " Generated: " . substr(str_replace(["\n", "\r"], '', $response->asXML()), 0, 100) . "...\n";
} catch (Exception $e) {
echo " ❌ FAIL: TwiML generation failed: " . $e->getMessage() . "\n";
}
echo "\nInstallation test complete!\n";

View File

@@ -28,6 +28,45 @@ function twp_activate() {
TWP_Activator::activate();
}
/**
* Check if Twilio SDK is installed and show admin notice if not
*/
function twp_check_sdk_installation() {
$autoloader_path = TWP_PLUGIN_DIR . 'vendor/autoload.php';
$sdk_installed = false;
if (file_exists($autoloader_path)) {
// Try to load autoloader and check for classes
require_once $autoloader_path;
$sdk_installed = class_exists('Twilio\Rest\Client');
}
if (!$sdk_installed) {
add_action('admin_notices', 'twp_sdk_missing_notice');
}
}
/**
* Display admin notice for missing SDK
*/
function twp_sdk_missing_notice() {
?>
<div class="notice notice-error is-dismissible">
<h3>Twilio WordPress Plugin - SDK Required</h3>
<p><strong>The Twilio PHP SDK is required for this plugin to work.</strong></p>
<p>To install the SDK, run this command in your plugin directory:</p>
<code>chmod +x install-twilio-sdk.sh && ./install-twilio-sdk.sh</code>
<p>Or install via Composer: <code>composer install</code></p>
<p><em>Plugin path: <?php echo TWP_PLUGIN_DIR; ?></em></p>
</div>
<?php
}
// Check SDK installation on admin pages
if (is_admin()) {
add_action('admin_init', 'twp_check_sdk_installation');
}
/**
* Plugin deactivation hook
*/