@ 2015-09-08T16:18:48Z <?php
$string='direction-only';
echo preg_match_callback('/(\w*)-(\w*)/', function($match) {
return implode('', array_map($match, function($string) {
return ucfirst($string);
}));
}, $string);
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Output for 7.0.0 - 7.0.33 , 7.1.0 - 7.1.25 , 7.2.0 - 7.2.33 , 7.3.0 - 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 Fatal error: Uncaught Error: Call to undefined function preg_match_callback() in /in/YQZQo:3
Stack trace:
#0 {main}
thrown in /in/YQZQo on line 3
Process exited with code 255 . Output for 5.4.0 - 5.4.45 , 5.5.0 - 5.5.38 , 5.6.0 - 5.6.38 Fatal error: Call to undefined function preg_match_callback() in /in/YQZQo on line 3
Process exited with code 255 . preferences:dark mode live preview
232.01 ms | 402 KiB | 340 Q