Online PHP editor | output for FFsR7

@ 2014-01-31T11:17:57Z

<?php
$string = '<p align="center"><font face="Proxima Nova Alt Th" size="21" color="#ffffff" letterSpacing="-1.000000" kerning="1"><b>YOUR</b></font></p><p align="center"><font face="Proxima Nova Alt Th" size="21" color="#ffffff" letterSpacing="-1.000000" kerning="1"><b>OFFER</b></font></p>';

$regex = "/^.*?font face=\"([a-z 0-9]+)\".*/i";

$font = preg_replace_callback($regex, function($matches) {

    return $matches[1]; // I WANT TO GET THE FONT HERE, Y U NO WORK (try var dumping matches and you'll see $matches[1] is what I want)
}, $string);

echo $font;

Output for 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.12 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6: Proxima Nova Alt Th
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17: Parse error: syntax error, unexpected T_FUNCTION in /in/FFsR7 on line 6
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1, 5.0.0 - 5.0.5: Parse error: parse error, unexpected T_FUNCTION in /in/FFsR7 on line 6
Process exited with code 255.
Output for 4.3.2 - 4.3.4: Parse error: parse error in /in/FFsR7 on line 6
Process exited with code 255.

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