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<?php $func = function ($property) { echo preg_replace_callback( '#(?<start>[a-z]+)(_)(?<ucfirst>[a-z]+)#msU', function ($matches) { return $matches['start'] . ucfirst($matches['ucfirst']); }, $property ); echo PHP_EOL; }; $func('$some_property'); echo PHP_EOL; $func('$this->some_property'); echo PHP_EOL; $func('$this->some_property_multiple_underscore_to_camel');
Output for git.master, git.master_jit, rfc.property-hooks
$someProperty $this->someProperty $this->somePropertyMultipleUnderscoreToCamel

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