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run code in 200+ php & hhvm versions
Bugs & Features
<?php echo preg_replace('/¤/u', 'ä');
Output for 5.3.0 - 7.2.0
Warning: preg_replace() expects at least 3 parameters, 2 given in /in/WLVaK on line 3
Output for 5.2.3 - 5.2.17
Warning: Wrong parameter count for preg_replace() in /in/WLVaK on line 3
Output for 4.3.0 - 5.2.2
<br /> <b>Warning</b>: Wrong parameter count for preg_replace() in <b>/in/WLVaK</b> on line <b>3</b><br />