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<?php $selfTable = 'songs'; $tables = array( 'types' => 'layout_template_types' ); $string = '$content AS content, CONCAT_WS( ".", $types.alias, layout_templates.custom_item_id ), id'; echo preg_replace_callback('#\$([\w]+)\.([\w]+)#', function($match) { return '`' . $tables[$match[1]] . '`.`' . $match[2] . '`'; }, $string);
Output for git.master, git.master_jit
Warning: Undefined variable $tables in /in/csf16 on line 17 Warning: Trying to access array offset on value of type null in /in/csf16 on line 17 $content AS content, CONCAT_WS( ".", ``.`alias`, layout_templates.custom_item_id ), id
Output for rfc.property-hooks
Warning: Undefined variable $tables in /in/csf16 on line 17 Warning: Trying to access array offset on null in /in/csf16 on line 17 $content AS content, CONCAT_WS( ".", ``.`alias`, layout_templates.custom_item_id ), id

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