Online PHP editor | perf for aGq6E

<?php //define('ARRAY_FILTER_USE_VALUE', 0); echo ARRAY_FILTER_USE_VALUE, PHP_EOL; echo ARRAY_FILTER_USE_BOTH, PHP_EOL; echo ARRAY_FILTER_USE_KEY, PHP_EOL; $arr = ['a' => 1, 'b' => 2, 'c' => 3, 'd' => 4]; echo '===== THESE ARE VALID AND CORRECT =====', PHP_EOL; echo '------ $mode is PHP constant -------------', PHP_EOL; var_dump(array_filter($arr, function($v) { return $v == 4; }, ARRAY_FILTER_USE_VALUE)); var_dump(array_filter($arr, function($v, $k) { return $k == 'b' || $v == 4; }, ARRAY_FILTER_USE_BOTH)); var_dump(array_filter($arr, function($k) { return $k == 'b'; }, ARRAY_FILTER_USE_KEY)); echo '------ $mode is integer -------------', PHP_EOL; var_dump(array_filter($arr, function($v) { return $v == 4; }, 0)); var_dump(array_filter($arr, function($v, $k) { return $k == 'b' || $v == 4; }, 1)); var_dump(array_filter($arr, function($k) { return $k == 'b'; }, 2)); echo '===== THE BEHAVIOUR HERE IS UNEXPECTED, I WOULD EXPECT A TYPEERROR =====', PHP_EOL; echo '------- $mode is text string ------------', PHP_EOL; var_dump(array_filter($arr, function($v) { return $v == 4; }, '0')); var_dump(array_filter($arr, function($v, $k) { return $k == 'b' || $v == 4; }, '1')); var_dump(array_filter($arr, function($k) { return $k == 'b'; }, '2')); echo '------ $mode is float -------------', PHP_EOL; var_dump(array_filter($arr, function($v) { return $v == 4; }, 0.2)); var_dump(array_filter($arr, function($v, $k) { return $k == 'b' || $v == 4; }, 1.3)); var_dump(array_filter($arr, function($k) { return $k == 'b'; }, 2.2)); echo '------ $mode is boolean -------------', PHP_EOL; var_dump(array_filter($arr, function($v) { return $v == 4; }, false)); var_dump(array_filter($arr, function($v, $k) { return $k == 'b' || $v == 4; }, true)); /*var_dump(array_filter($arr, function($k) { return $k == 'b'; }, 2));*/ echo '===== WHEN ERRORS ARE ACTUALLY THROWN =====', PHP_EOL; echo '------ $mode is invalid value -------------', PHP_EOL; try { var_dump(array_filter($arr, function($v) { return $v == 4; }, 50)); } catch(Error $e) { echo $e->getMessage(), PHP_EOL; } echo '------ $mode is invalid value and invalid type -------------', PHP_EOL; try { var_dump(array_filter($arr, function($v) { return $v == 4; }, 'text')); } catch(Error $e) { echo $e->getMessage(), PHP_EOL; }

Version	System time (s)	User time (s)	Memory (MiB)
8.5.10	0.011	0.008	18.74
8.5.9	0.014	0.005	18.77
8.5.8	0.009	0.008	18.62
8.5.7	0.010	0.008	18.73
8.5.6	0.008	0.007	18.79
8.5.5	0.009	0.005	18.69
8.5.4	0.007	0.007	18.32
8.5.3	0.010	0.004	18.65
8.5.2	0.012	0.006	18.66
8.5.1	0.010	0.007	18.52
8.5.0	0.006	0.002	18.22
8.4.25	0.004	0.006	21.56
8.4.24	0.010	0.010	21.61
8.4.23	0.013	0.008	21.42
8.4.22	0.015	0.006	21.65
8.4.21	0.014	0.004	21.50
8.4.20	0.009	0.009	21.65
8.4.19	0.012	0.010	21.55
8.4.18	0.015	0.008	21.69
8.4.17	0.014	0.008	21.65
8.4.16	0.012	0.007	21.67
8.4.15	0.012	0.013	21.68
8.4.14	0.014	0.008	19.61
8.4.13	0.009	0.010	19.61
8.4.12	0.008	0.009	19.79
8.4.11	0.010	0.006	19.78
8.4.10	0.010	0.006	19.73
8.4.9	0.016	0.004	19.77
8.4.8	0.012	0.008	19.72
8.4.7	0.010	0.010	19.75
8.4.6	0.009	0.010	19.86
8.4.5	0.011	0.009	19.78
8.4.4	0.010	0.010	19.72
8.4.3	0.012	0.008	19.49
8.4.2	0.012	0.008	17.90
8.4.1	0.008	0.012	17.96
8.3.33	0.011	0.008	18.68
8.3.32	0.009	0.008	18.76
8.3.31	0.007	0.003	18.61
8.3.30	0.012	0.008	18.68
8.3.29	0.009	0.011	18.57
8.3.28	0.012	0.005	18.63
8.3.27	0.009	0.009	17.24
8.3.26	0.013	0.007	17.24
8.3.25	0.011	0.008	17.24
8.3.24	0.015	0.004	17.24
8.3.23	0.013	0.008	17.24
8.3.22	0.010	0.009	17.24
8.3.21	0.011	0.008	17.24
8.3.20	0.012	0.005	17.24
8.3.19	0.007	0.003	17.24
8.3.18	0.008	0.003	17.24
8.3.17	0.005	0.003	17.24
8.3.16	0.005	0.003	17.24
8.3.15	0.005	0.003	17.24
8.3.14	0.006	0.003	17.24
8.3.13	0.003	0.005	17.24
8.3.12	0.005	0.003	17.24
8.3.11	0.005	0.004	17.24
8.3.10	0.006	0.002	17.24
8.3.9	0.004	0.004	17.24
8.3.8	0.007	0.001	17.24
8.3.7	0.005	0.003	17.24
8.3.6	0.005	0.004	17.24
8.3.5	0.006	0.003	17.24
8.3.4	0.007	0.002	18.10
8.3.3	0.004	0.005	18.10
8.3.2	0.005	0.005	18.04
8.3.1	0.007	0.001	18.21
8.3.0	0.005	0.003	18.04
8.2.33	0.004	0.005	18.13
8.2.32	0.007	0.002	18.09
8.2.31	0.006	0.003	18.19