67 lines
1.5 KiB
PHP
67 lines
1.5 KiB
PHP
<?php
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/*
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* This file is part of SwiftMailer.
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* (c) 2004-2009 Chris Corbyn
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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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//@require 'Swift/StreamFilter.php';
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/**
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* Processes bytes as they pass through a buffer and replaces sequences in it.
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* @package Swift
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* @author Chris Corbyn
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*/
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class Swift_StreamFilters_StringReplacementFilter implements Swift_StreamFilter
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{
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/** The needle(s) to search for */
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private $_search;
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/** The replacement(s) to make */
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private $_replace;
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/**
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* Create a new StringReplacementFilter with $search and $replace.
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* @param string|array $search
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* @param string|array $replace
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*/
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public function __construct($search, $replace)
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{
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$this->_search = $search;
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$this->_replace = $replace;
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}
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/**
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* Returns true if based on the buffer passed more bytes should be buffered.
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* @param string $buffer
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* @return boolean
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*/
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public function shouldBuffer($buffer)
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{
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$endOfBuffer = substr($buffer, -1);
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foreach ((array) $this->_search as $needle)
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{
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if (false !== strpos($needle, $endOfBuffer))
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{
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return true;
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}
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}
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return false;
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}
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/**
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* Perform the actual replacements on $buffer and return the result.
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* @param string $buffer
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* @return string
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*/
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public function filter($buffer)
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{
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return str_replace($this->_search, $this->_replace, $buffer);
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}
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}
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