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<?php $array = [ ['user' => 'Name 1', 'group' => 1], ['user' => 'Name 2', 'group' => 1], ['user' => 'Name 3', 'group' => 2], ['user' => 'Name 4', 'group' => 2], ['user' => 'Name 5', 'group' => 3], ]; var_export( array_count_values(array_column($array, 'group')) );
Output for 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.19, 8.3.0 - 8.3.4, 8.3.6 - 8.3.7
array ( 1 => 2, 2 => 2, 3 => 1, )
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 ( 1 => 2, 2 => 2, 3 => 1, )
preferences:
149.11 ms | 402 KiB | 158 Q