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run code in 150+ php & hhvm versions
Bugs & Features
<?php function camel(){ echo preg_replace('/(_[a-z])/g', function($1) { return str_replace('', '_', strtoupper($1)); } ); }
Output for 5.4.0 - 5.4.23
Parse error: syntax error, unexpected '$', expecting '&' or variable (T_VARIABLE) in /in/Q1tqp on line 6
Process exited with code 255.
Output for 5.3.0 - 5.3.28
Parse error: syntax error, unexpected '$', expecting '&' or T_VARIABLE in /in/Q1tqp on line 6
Process exited with code 255.