<?php
echo preg_replace_callback('/([a-z])(_[a-z])/', function($u)
{
var_dump($u);
return $u[1].ucwords(str_replace('_', '', $u[2]));
}
, 'rob_tr_yuui');
echo PHP_EOL;
echo preg_replace('/([a-z])(_[a-z])/', '$1$2', 'rob_tr_yuui');
- 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 - 7.1.10, 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
- array(3) {
[0]=>
string(3) "b_t"
[1]=>
string(1) "b"
[2]=>
string(2) "_t"
}
array(3) {
[0]=>
string(3) "r_y"
[1]=>
string(1) "r"
[2]=>
string(2) "_y"
}
robTrYuui
rob_tr_yuui
- 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/bNIQu 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/bNIQu on line 6
Process exited with code 255. - Output for 4.3.2 - 4.3.4
- Parse error: parse error in /in/bNIQu on line 6
Process exited with code 255.
preferences:
212.91 ms | 401 KiB | 354 Q