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run code in 200+ php & hhvm versions
Bugs & Features
<?php function snakeToCamel($text, $firstUpper = true) { $regex = '/('; if ($firstUpper) { $regex .= '^|'; } $regex .= '_)([a-z])/e'; return preg_replace($regex, "strtoupper('\\2')", $text); } echo snakeToCamel('testFooBar');
Output for 7.0.0 - 7.2.0
Warning: preg_replace(): The /e modifier is no longer supported, use preg_replace_callback instead in /in/tRnnF on line 11
Output for 5.5.24 - 5.6.21
Deprecated: preg_replace(): The /e modifier is deprecated, use preg_replace_callback instead in /in/tRnnF on line 11 TestFooBar
Output for 5.3.20 - 5.4.45
TestFooBar