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<?php $values = [ [ 'key' => 'value', 'key2' => 'value2' ] ]; function filter($values, $flag = false) { return array_filter( $values, function ($record) use ($flag) { return $record['not_existing_key'] == 'not_existing_value' && $record['not_existing_key2'] == ($flag ? '' : 'not_existing_value2'); } ); } print_r(filter($values));
Output for 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
Warning: Undefined array key "not_existing_key" in /in/dGqBW on line 15 Array ( )
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 Warning: Undefined array key "not_existing_key" in /in/dGqBW on line 15 Array ( )
Output for 7.2.0 - 7.2.33, 7.3.0 - 7.3.31, 7.3.33, 7.4.0 - 7.4.25, 7.4.27 - 7.4.33
Notice: Undefined index: not_existing_key in /in/dGqBW on line 15 Array ( )
Output for 7.3.32, 7.4.26
Array ( )
preferences:
163.94 ms | 401 KiB | 183 Q