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<?php $selfTable = 'songs'; $relTable = 'artists'; $string = '$content AS content, CONCAT_WS( ".", $types.alias, layout_templates.custom_item_id ), id'; echo preg_replace_callback('#\$([\w]+)\.([\w]+)#', function($match) { print_r($match); }, $string);
Output for git.master, git.master_jit, rfc.property-hooks
Array ( [0] => $types.alias [1] => types [2] => alias ) $content AS content, CONCAT_WS( ".", , layout_templates.custom_item_id ), id

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