3v4l.org

run code in 300+ PHP versions simultaneously
<?php $header = "asd.ads./ads.test+dsa"; $header = ""; $header = 123; #$name = 'hello [*kitty*],how good is today'; preg_match( '/application\/vnd\.ez\.api\.(.*?)\+(?:json|xml)/i', $header, $match ); var_dump( $match );
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 - 5.3.29, 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.8 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.16 - 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
array(0) { }
preferences:
257.1 ms | 406 KiB | 313 Q