3v4l.org

run code in 300+ PHP versions simultaneously
<?php function camelize($id) { return preg_replace(array('/(^|_|-)+(.)/e', '/\.(.)/e'), array("strtoupper('\\2')", "'_'.strtoupper('\\1')"), $id); } function camelize2($id) { return preg_replace_callback_array([ '/(^|_|-)+(.)/e' => function ($match) { return strtoupper($match[2]); }, '/\.(.)/e' => function ($match) { return '_' . strtoupper($match[1]); } ], $id); } $text = "_salut_les-amis!!"; var_dump(camelize($text), camelize2($text));
Output for 8.2.0 - 8.2.18, 8.3.0 - 8.3.4, 8.3.6
Warning: preg_replace(): The /e modifier is no longer supported, use preg_replace_callback instead in /in/PRXoE on line 5 Warning: preg_replace_callback_array(): The /e modifier is no longer supported, use preg_replace_callback instead in /in/PRXoE on line 10 NULL NULL
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 Warning: preg_replace(): The /e modifier is no longer supported, use preg_replace_callback instead in /in/PRXoE on line 5 Warning: preg_replace_callback_array(): The /e modifier is no longer supported, use preg_replace_callback instead in /in/PRXoE on line 10 NULL NULL
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28
Warning: preg_replace(): The /e modifier is no longer supported, use preg_replace_callback instead in /in/PRXoE on line 5 Warning: preg_replace_callback_array(): The /e modifier is no longer supported, use preg_replace_callback instead in /in/PRXoE on line 17 NULL NULL
Output for 7.0.19 - 7.0.26, 7.1.5 - 7.1.20, 7.2.0 - 7.2.33, 7.3.16 - 7.3.33, 7.4.0 - 7.4.33
Warning: preg_replace(): The /e modifier is no longer supported, use preg_replace_callback instead in /in/PRXoE on line 5 Warning: preg_replace_callback_array(): The /e modifier is no longer supported, use preg_replace_callback instead in /in/PRXoE on line 17 Warning: preg_replace_callback_array(): The /e modifier is no longer supported, use preg_replace_callback instead in /in/PRXoE on line 17 NULL NULL
Output for 7.0.14 - 7.0.18, 7.1.0 - 7.1.4
Warning: preg_replace(): The /e modifier is no longer supported, use preg_replace_callback instead in /in/PRXoE on line 5 Warning: preg_replace_callback_array(): The /e modifier is no longer supported, use preg_replace_callback instead in /in/PRXoE on line 16 Warning: preg_replace_callback_array(): The /e modifier is no longer supported, use preg_replace_callback instead in /in/PRXoE on line 16 NULL NULL
Output for 7.0.0 - 7.0.13
Warning: preg_replace(): The /e modifier is no longer supported, use preg_replace_callback instead in /in/PRXoE on line 5 Warning: preg_replace_callback_array(): The /e modifier is no longer supported, use preg_replace_callback instead in /in/PRXoE on line 16 NULL NULL
Output for 5.5.0 - 5.5.38, 5.6.0 - 5.6.30
Deprecated: preg_replace(): The /e modifier is deprecated, use preg_replace_callback instead in /in/PRXoE on line 5 Deprecated: preg_replace(): The /e modifier is deprecated, use preg_replace_callback instead in /in/PRXoE on line 5 Fatal error: Call to undefined function preg_replace_callback_array() in /in/PRXoE on line 10
Process exited with code 255.

preferences:
205.84 ms | 402 KiB | 252 Q