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61 lines
2.2 KiB
PHP
61 lines
2.2 KiB
PHP
<?php
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/*
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* Smarty plugin
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* -------------------------------------------------------------
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* File: outputfilter.trimwhitespace.php
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* Type: outputfilter
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* Name: trimwhitespace
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* Version: 1.3
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* Date: Jan 25, 2003
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* Purpose: trim leading white space and blank lines from
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* template source after it gets interpreted, cleaning
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* up code and saving bandwidth. Does not affect
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* <PRE></PRE> and <SCRIPT></SCRIPT> blocks.
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* Install: Drop into the plugin directory, call
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* $smarty->load_filter('output','trimwhitespace');
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* from application.
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* Author: Monte Ohrt <monte@ispi.net>
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* Contribs: Lars Noschinski <lars@usenet.noschinski.de>
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* -------------------------------------------------------------
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*/
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function smarty_outputfilter_trimwhitespace($source, &$smarty)
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{
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// Pull out the script blocks
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preg_match_all("!<script[^>]+>.*?</script>!is", $source, $match);
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$_script_blocks = $match[0];
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$source = preg_replace("!<script[^>]+>.*?</script>!is",
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'@@@SMARTY:TRIM:SCRIPT@@@', $source);
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// Pull out the pre blocks
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preg_match_all("!<pre>.*?</pre>!is", $source, $match);
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$_pre_blocks = $match[0];
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$source = preg_replace("!<pre>.*?</pre>!is",
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'@@@SMARTY:TRIM:PRE@@@', $source);
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// Pull out the textarea blocks
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preg_match_all("!<textarea[^>]+>.*?</textarea>!is", $source, $match);
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$_textarea_blocks = $match[0];
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$source = preg_replace("!<textarea[^>]+>.*?</textarea>!is",
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'@@@SMARTY:TRIM:TEXTAREA@@@', $source);
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// remove all leading spaces, tabs and carriage returns NOT
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// preceeded by a php close tag.
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$source = trim(preg_replace('/((?<!\?>)\n)[\s]+/m', '\1', $source));
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// replace script blocks
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foreach($_script_blocks as $curr_block) {
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$source = preg_replace("!@@@SMARTY:TRIM:SCRIPT@@@!",$curr_block,$source,1);
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}
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// replace pre blocks
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foreach($_pre_blocks as $curr_block) {
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$source = preg_replace("!@@@SMARTY:TRIM:PRE@@@!",$curr_block,$source,1);
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}
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// replace textarea blocks
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foreach($_textarea_blocks as $curr_block) {
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$source = preg_replace("!@@@SMARTY:TRIM:TEXTAREA@@@!",$curr_block,$source,1);
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}
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return $source;
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}
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?>
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