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<?php function replace_callback($matches){ return $matches[1]; } $str = "abc{123}def{456}ghi{789}jkl"; $result = preg_replace_callback('/\{.*?\}/', 'replace_callback', $str); print_r($result);
Output for git.master, git.master_jit, rfc.property-hooks
Warning: Undefined array key 1 in /in/mmH8m on line 5 Warning: Undefined array key 1 in /in/mmH8m on line 5 Warning: Undefined array key 1 in /in/mmH8m on line 5 abcdefghijkl

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