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<?php $compare = function($a, $b) use(&$iteration_count) { echo("$a : $b\n"); $iteration_count++; return strcmp($a, $b); }; $a = array('a', 'b', 'c', 'n'); $b = array('m', 'x', 'y', 'z'); $iteration_count = 0; echo "array_udiff:" . json_encode(array_udiff($a, $b, $compare)) . "\n"; echo "iterations: $iteration_count\n\n"; $iteration_count = 0; echo "array_uintersect:" . json_encode(array_uintersect($a, $b, $compare)) . "\n"; echo "iterations: $iteration_count\n\n";
Output for 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 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 - 8.3.6
a : b b : c c : n m : x x : y y : z a : m a : b b : m b : c c : m c : n n : m n : x array_udiff:["a","b","c","n"] iterations: 14 a : b b : c c : n m : x x : y y : z a : m b : m c : m n : m n : m n : x array_uintersect:[] iterations: 12
Output for 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40
b : a b : c n : b c : b n : c x : m x : y z : x y : x z : y a : m a : b b : m b : c c : m c : n n : m n : x array_udiff:["a","b","c","n"] iterations: 18 b : a b : c n : b c : b n : c x : m x : y z : x y : x z : y a : m b : m c : m n : m n : m n : x array_uintersect:[] iterations: 16
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17
Parse error: syntax error, unexpected T_FUNCTION in /in/pv2MX on line 3
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1, 5.0.0 - 5.0.5
Parse error: parse error, unexpected T_FUNCTION in /in/pv2MX on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/pv2MX on line 3
Process exited with code 255.
preferences:
311.32 ms | 401 KiB | 464 Q