function smarty_outputfilter_trimwhitespace in Quiz 6.5

Same name and namespace in other branches

1. 6.6 includes/moodle/lib/smarty/plugins/outputfilter.trimwhitespace.php \smarty_outputfilter_trimwhitespace()

Smarty trimwhitespace outputfilter plugin

File: outputfilter.trimwhitespace.php<br> Type: outputfilter<br> Name: trimwhitespace<br> Date: Jan 25, 2003<br> Purpose: trim leading white space and blank lines from template source after it gets interpreted, cleaning up code and saving bandwidth. Does not affect <<PRE>></PRE> and <SCRIPT></SCRIPT> blocks.<br> Install: Drop into the plugin directory, call <code>$smarty->load_filter('output','trimwhitespace');</code> from application. @author Monte Ohrt <monte at ohrt dot com> @author Contributions from Lars Noschinski <lars@usenet.noschinski.de> @version 1.3

Parameters

string:

Smarty:

File

includes/moodle/lib/smarty/plugins/outputfilter.trimwhitespace.php, line 28

Code

function smarty_outputfilter_trimwhitespace($source, &$smarty) {

  // Pull out the script blocks
  preg_match_all("!<script[^>]+>.*?</script>!is", $source, $match);
  $_script_blocks = $match[0];
  $source = preg_replace("!<script[^>]+>.*?</script>!is", '@@@SMARTY:TRIM:SCRIPT@@@', $source);

  // Pull out the pre blocks
  preg_match_all("!<pre>.*?</pre>!is", $source, $match);
  $_pre_blocks = $match[0];
  $source = preg_replace("!<pre>.*?</pre>!is", '@@@SMARTY:TRIM:PRE@@@', $source);

  // Pull out the textarea blocks
  preg_match_all("!<textarea[^>]+>.*?</textarea>!is", $source, $match);
  $_textarea_blocks = $match[0];
  $source = preg_replace("!<textarea[^>]+>.*?</textarea>!is", '@@@SMARTY:TRIM:TEXTAREA@@@', $source);

  // remove all leading spaces, tabs and carriage returns NOT
  // preceeded by a php close tag.
  $source = trim(preg_replace('/((?<!\\?>)\\n)[\\s]+/m', '\\1', $source));

  // replace script blocks
  smarty_outputfilter_trimwhitespace_replace("@@@SMARTY:TRIM:SCRIPT@@@", $_script_blocks, $source);

  // replace pre blocks
  smarty_outputfilter_trimwhitespace_replace("@@@SMARTY:TRIM:PRE@@@", $_pre_blocks, $source);

  // replace textarea blocks
  smarty_outputfilter_trimwhitespace_replace("@@@SMARTY:TRIM:TEXTAREA@@@", $_textarea_blocks, $source);
  return $source;
}