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<?php $one_array_key = ['A', 'A', 'A', 'B', 'B', 'B']; $second_array_values = ['arn1', 'arn2', 'arn3', 'arn4', 'arn5', 'arn6']; $result = []; foreach ($one_array_key as $index => $value) { $result[$value][] = $second_array_values[$index]; } var_export($result);
Output for 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.34, 8.2.0 - 8.2.30, 8.3.0 - 8.3.4, 8.3.6 - 8.3.30, 8.4.1 - 8.4.18, 8.5.0 - 8.5.3
array ( 'A' => array ( 0 => 'arn1', 1 => 'arn2', 2 => 'arn3', ), 'B' => array ( 0 => 'arn4', 1 => 'arn5', 2 => 'arn6', ), )
Output for 8.3.5
Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0 array ( 'A' => array ( 0 => 'arn1', 1 => 'arn2', 2 => 'arn3', ), 'B' => array ( 0 => 'arn4', 1 => 'arn5', 2 => 'arn6', ), )
preferences:
97.59 ms | 1400 KiB | 4 Q