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<?php $pattern = '/([a-z]+)\[(\d+),(\d+)]/i'; $str = 'Mon[3,9] Tue[3,9] Wed[5,9] Thu[5,11] Fri[5,11] Sat[5,11] Sun[4,10]'; $result = []; preg_replace_callback( $pattern, function ($m) use (&$result) { $result[$m[1]] = [$m[2], $m[3]]; }, $str ); print_r($result);
Output for 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
Array ( [Mon] => Array ( [0] => 3 [1] => 9 ) [Tue] => Array ( [0] => 3 [1] => 9 ) [Wed] => Array ( [0] => 5 [1] => 9 ) [Thu] => Array ( [0] => 5 [1] => 11 ) [Fri] => Array ( [0] => 5 [1] => 11 ) [Sat] => Array ( [0] => 5 [1] => 11 ) [Sun] => Array ( [0] => 4 [1] => 10 ) )

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165.14 ms | 403 KiB | 145 Q