Online PHP editor | output for khiME

@ 2014-08-05T09:23:50Z

<?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;
}

Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.7: Fatal error: Uncaught TypeError: strstr(): Argument #2 ($needle) must be of type string, array given in /in/khiME:15 Stack trace: #0 /in/khiME(15): strstr('$a has 25 Euro ...', Array) #1 {main} thrown in /in/khiME on line 15
Process exited with code 255.
Output for 5.3.1 - 5.3.29, 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.7 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.25, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33: Warning: strstr(): needle is not a string or an integer in /in/khiME on line 15
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0

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