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run code in 300+ PHP versions simultaneously
<?php function uncamel($content, $separator = '_') { $content = preg_replace('#(?<=[a-zA-Z])([A-Z])(?=[a-zA-Z])#', "_$1", $content); var_dump($content); $content{0} = strtolower($content{0}); return $content; } var_dump(uncamel('rfqInternalRefNo'));
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: Array and string offset access syntax with curly braces is no longer supported in /in/NCTmT on line 7
Process exited with code 255.
Output for 7.4.0 - 7.4.33
Deprecated: Array and string offset access syntax with curly braces is deprecated in /in/NCTmT on line 7 Deprecated: Array and string offset access syntax with curly braces is deprecated in /in/NCTmT on line 7 string(19) "rfq_Internal_Ref_No" string(19) "rfq_Internal_Ref_No"
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 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 - 7.1.20, 7.2.0 - 7.2.33, 7.3.16 - 7.3.33
string(19) "rfq_Internal_Ref_No" string(19) "rfq_Internal_Ref_No"

preferences:
240.96 ms | 404 KiB | 352 Q