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run code in 150+ php & hhvm versions
Bugs & Features
<?php $var = array( '#tag', 'text #tag text', 'text #tag', 'text#tag', ); echo preg_replace('/#(\S{1,24}+)/u', '<$0>', $var).PHP_EOL;
Output for 5.4.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
Notice: Array to string conversion in /in/0Fn13 on line 8 Array
Output for 4.3.10 - 4.4.9, 5.0.2 - 5.3.29
Array
Output for 4.3.0 - 4.3.9, 5.0.0 - 5.0.1
Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/0Fn13 on line 8 ArrayPHP_EOL