@ 2015-10-16T05:13:17Z <?php
function doSomething($string) {
$string[0] = strtolower($string[0]);
$func = create_function('$c', 'return "_" . strtolower($c[1]);');
return preg_replace_callback('/([A-Z])/', $func, $string);
}
echo doSomething('DAVID');
Enable javascript to submit You have javascript disabled. You will not be able to edit any code.
Output for 8.0.0 - 8.0.30 , 8.1.0 - 8.1.27 , 8.2.0 - 8.2.17 , 8.3.0 - 8.3.4 Fatal error: Uncaught Error: Call to undefined function create_function() in /in/jVH4c:4
Stack trace:
#0 /in/jVH4c(8): doSomething('dAVID')
#1 {main}
thrown in /in/jVH4c on line 4
Process exited with code 255 . Output for 7.2.0 - 7.2.33 , 7.3.0 - 7.3.31 , 7.4.0 - 7.4.33 Deprecated: Function create_function() is deprecated in /in/jVH4c on line 4
d_a_v_i_d Output for 5.4.2 - 5.4.45 , 5.5.24 - 5.5.35 , 5.6.8 - 5.6.21 , 7.0.0 - 7.0.20 , 7.1.0 - 7.1.33 , 7.3.32 - 7.3.33 d_a_v_i_d preferences:dark mode live preview
181.32 ms | 402 KiB | 265 Q