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run code in 300+ PHP versions simultaneously
<?php $records = [ ['id' => 1], ['id' => 2], ['id' => 3], ['id' => 4], ['id' => 4], ['id' => 4], ['id' => 5] ]; $r = array_count_values(array_column($records, 'id')); foreach($r as $k => $v){ echo $k; echo ($v>1) ? " ({$v})" : ''; echo ''."\n"; }
Output for 7.1.25 - 7.1.32, 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 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.4, 8.3.6
1 2 3 4 (3) 5
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 1 2 3 4 (3) 5
preferences:
175.04 ms | 402 KiB | 175 Q