<?php

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/*

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* This file is part of the ManageWP Worker plugin.

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*

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* (c) ManageWP LLC <contact@managewp.com>

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*

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* For the full copyright and license information, please view the LICENSE

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* file that was distributed with this source code.

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*/

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class MWP_Debug_ErrorCatcher

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{

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private $errorMessage;

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private $registered;

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public function handleError($code, $message, $file = '', $line = 0, $context = array())

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{

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if (is_string($this->registered) && !($message = preg_replace('{^'.$this->registered.'\(.*?\): }i', '', $message))) {

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return;

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}

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$this->errorMessage = $message;

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}

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public function getErrorMessage()

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{

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return $this->errorMessage;

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}

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public function yieldErrorMessage($unRegister = false)

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{

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$message = $this->errorMessage;

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$this->errorMessage = null;

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if ($unRegister) {

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$this->unRegister();

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}

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return $message;

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}

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/**

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* Set the $capture parameter to "true" to capture any error message; or to a function name

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* to capture only error messages for that function. It will rely on PHP's standard error

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* reporting which always starts with the name of the function that generated the error.

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*

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* @param bool|string $capture

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*/

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public function register($capture = true)

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{

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if ($this->registered) {

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throw new LogicException('The error catcher is already registered.');

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}

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if ($capture !== true && (!is_string($capture) || empty($capture))) {

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throw new InvalidArgumentException('The "capture" must be boolean true or a non-empty string.');

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}

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$this->registered = $capture;

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$this->errorMessage = null;

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set_error_handler(array($this, 'handleError'));

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}

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public function unRegister()

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{

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if (!$this->registered) {

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throw new LogicException('The error catcher is not registered.');

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}

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$this->registered = false;

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restore_error_handler();

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}

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public function __destruct()

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{

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if ($this->registered) {

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$this->unRegister();

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}

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}

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}

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