77 lines
1.9 KiB
PHP
77 lines
1.9 KiB
PHP
<?php
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/*
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StringReplacementFilter from Swift Mailer.
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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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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