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<?php $var = array( '#tag', 'text #tag text', 'text #tag', 'text#tag', ); $res = preg_filter('/\s?+#(\S{1,24}+)/u', '<$0>' , $var); print_r($res);
Output for 5.3.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
Array ( [0] => <#tag> [1] => text< #tag> text [2] => text< #tag> [3] => text<#tag> )
Output for 5.2.3 - 5.2.17
Fatal error: Call to undefined function preg_filter() in /in/FTQUB on line 8
Process exited with code 255.
Output for 5.0.0 - 5.2.2
<br /> <b>Fatal error</b>: Call to undefined function preg_filter() in <b>/in/FTQUB</b> on line <b>8</b><br />
Process exited with code 255.
Output for 4.4.5 - 4.4.9
<br /> <b>Fatal error</b>: Call to undefined function: preg_filter() in <b>/in/FTQUB</b> on line <b>8</b><br />
Process exited with code 255.
Output for 4.3.2 - 4.4.4
<br /> <b>Fatal error</b>: Call to undefined function: preg_filter() in <b>/in/FTQUB</b> on line <b>8</b><br />
Process exited with code 255.
Output for 4.3.0 - 4.3.1
<br /> <b>Fatal error</b>: Call to undefined function: preg_filter() in <b>/in/FTQUB</b> on line <b>8</b><br />