3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $post = array( '$a' => "Ana", '$b' => "George" ); $string = '$a has (2 * 10 + 5) Euro and (10 + 2) cents from $b'; $regex = '#\((([^()]+|(?R))*)\)#'; if (preg_match_all($regex, $string ,$matches)) { $eqs = $matches[1]; foreach($eqs as $frm) { $frm_eval = eval("return $frm;"); $string = str_replace('(' . $frm . ')', $frm_eval, $string); } echo strstr($string, $post); } else { //no parenthesis echo $string; }
based on m1IYJ
Output for 5.3.1 - 5.6.28, 7.0.0 - 7.1.0
Warning: strstr(): needle is not a string or an integer in /in/khiME on line 15
Output for 4.3.0 - 5.3.0, hhvm-3.10.0 - 3.12.0