cvs: phpdoc /en/reference/pcre/functions preg-replace-callback.xml

colder Wed Jun 21 17:08:39 2006 UTC Modified files: /phpdoc/en/reference/pcre/functions preg-replace-callback.xml Log: New example using recursion http://cvs.php.net/viewvc.cgi/phpdoc/en/reference/pcre/functions/preg-replace-callback.xml?r1=1.12&r2=1.13&diff_format=u Index: phpdoc/en/reference/pcre/functions/preg-replace-callback.xml diff -u phpdoc/en/reference/pcre/functions/preg-replace-callback.xml:1.12 phpdoc/en/reference/pcre/functions/preg-replace-callback.xml:1.13 --- phpdoc/en/reference/pcre/functions/preg-replace-callback.xml:1.12 Mon Apr 3 15:10:11 2006 +++ phpdoc/en/reference/pcre/functions/preg-replace-callback.xml Wed Jun 21 17:08:39 2006 @@ -1,5 +1,5 @@ <?xml version="1.0" encoding="iso-8859-1"?> -<!-- $Revision: 1.12 $ --> +<!-- $Revision: 1.13 $ --> <!-- splitted from ./en/functions/pcre.xml, last change in rev 1.47 --> <refentry id="function.preg-replace-callback"> <refnamediv> @@ -90,6 +90,33 @@ ]]> </programlisting> </example> + <example> + <title><function>preg_replace_callback</function> using recursive structure + to handle encapsulated BB code</title> + <programlisting role='php'> +<![CDATA[ +<?php +$input = "plain [indent] deep [indent] deeper [/indent] deep [/indent] plain"; + +function parseTagsRecursive($input) +{ + + $regex = '#\[indent]((?:[^[]|\[(?!/?indent])|(?R))+)\[/indent]#'; + + if (is_array($input)) { + $input = '<div style="margin-left: 10px">'.$input[1].'</div>'; + } + + return preg_replace_callback($regex, 'parseTagsRecursive', $input); +} + +$output = parseTagsRecursive($input); + +echo $output; +?> +]]> + </programlisting> + </example> <note> <para> <parameter>count</parameter> parameter is available since PHP 5.1.0.