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<?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('camelCase');
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.4, 8.3.6
Fatal error: Uncaught Error: Call to undefined function create_function() in /in/sf67p:4 Stack trace: #0 /in/sf67p(8): doSomething('camelCase') #1 {main} thrown in /in/sf67p on line 4
Process exited with code 255.
Output for 8.3.5
Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0 Fatal error: Uncaught Error: Call to undefined function create_function() in /in/sf67p:4 Stack trace: #0 /in/sf67p(8): doSomething('camelCase') #1 {main} thrown in /in/sf67p on line 4
Process exited with code 255.
Output for 7.2.0 - 7.2.33, 7.3.16 - 7.3.31, 7.4.0 - 7.4.33
Deprecated: Function create_function() is deprecated in /in/sf67p on line 4 camel_case
Output for 5.4.2 - 5.4.45, 5.5.24 - 5.5.35, 5.6.8 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.3.32 - 7.3.33
camel_case
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