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<?php /* $str = 'test1234'; preg_match_all('!\d+!', $str, $matches);*/ /*for ($matches = 0; $matches <9; $matches++) { $letters = range('a','j'); var_dump($letters[$matches]); }*/ $string = 'test1234'; $string = preg_replace("/[^0-9]/","a-j",$string); var_dump($string);
Output for 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
string(16) "a-ja-ja-ja-j1234"

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219.13 ms | 403 KiB | 283 Q