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<?php function _convertToCamelCase(array $matches) { return ucfirst($matches[1]); } $key = 'valami_underscored_cucc'; echo preg_replace_callback( '/_(\w)/', array($this, '_convertToCamelCase'), $key);
Output for git.master, git.master_jit, rfc.property-hooks
Fatal error: Uncaught Error: Using $this when not in object context in /in/NUt0d:12 Stack trace: #0 {main} thrown in /in/NUt0d on line 12
Process exited with code 255.

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