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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'; $string = preg_replace_callback('#\$([\w]+)\.([\w]+)#', function($match) use ($tables) { return '`' . $tables[$match[1]] . '`.`' . $match[2] . '`'; }, $string); $string = preg_replace_callback('#\$([\w]+)#', function($match) use ($selfTable) { return '`' . $selfTable . '`.`' . $match[1] . '`'; }, $string); $string = preg_replace('#([\w]+)\.([\w]+)#', '`\1`.`\2`', $string); echo $string;
Output for git.master, git.master_jit, rfc.property-hooks
`songs`.`content` AS content, CONCAT_WS( ".", `layout_template_types`.`alias`, `layout_templates`.`custom_item_id` ), id

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