3v4l.org

run code in 300+ PHP versions simultaneously
<?php// Test results$array1 = test('array_walk');$array2 = test('array_walk_list_each');$array3 = test('array_walk_foreach1');$array4 = test('array_walk_foreach2');// Check arrays for equalvar_dump($array1 == $array2, $array1 == $array3, $array1 == $array4);// Test function 1function array_walk_list_each(&$array, $function, $userData = null) { while ( list($key, $value) = each($array) ) $function($array[$key], $key, $userData);}// Test function 2function array_walk_foreach1(&$array, $function, $userData = null) { foreach ($array as $key => &$value ) $function($value, $key, $userData);}// Test function 3function array_walk_foreach2(&$array, $function, $userData = null) { foreach ($array as $key => $value ) $function($array[$key], $key, $userData);}function some_function(&$value, $key, $userData) { $value = "$key => $userData";}function test($function, $count = 10000, $arrayElements = 1000) { echo $function, ' ... '; $array = array_fill(0, $arrayElements, "some text value"); $timer = microtime(true); for( $i = 0; ++$i < $count; ) $function($array, 'some_function', 'some user data'); printf("%.3f sec\n", microtime(true) - $timer); return $array;}

Here you find the average performance (time & memory) of each version. A grayed out version indicates it didn't complete successfully (based on exit-code).

VersionSystem time (s)User time (s)Memory (MiB)
8.3.60.0110.00417.93
8.3.50.0120.00522.94
8.3.40.0070.01418.54
8.3.30.0070.00718.98
8.3.20.0000.00820.27
8.3.10.0080.00023.50
8.3.00.0040.00419.25
8.2.180.0090.00616.32
8.2.170.0040.01122.96
8.2.160.0040.01120.32
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0000.00726.16
8.2.120.0000.00720.98
8.2.110.0000.01120.37
8.2.100.0070.00418.16
8.2.90.0050.00319.23
8.2.80.0000.00817.97
8.2.70.0030.00617.49
8.2.60.0060.00317.80
8.2.50.0000.00818.07
8.2.40.0040.00418.22
8.2.30.0000.00717.88
8.2.20.0070.00017.53
8.2.10.0040.00417.86
8.2.00.0080.00017.41
8.1.280.0100.01025.92
8.1.270.0050.00323.96
8.1.260.0040.00426.35
8.1.250.0050.00328.09
8.1.240.0090.00022.06
8.1.230.0110.00019.16
8.1.220.0000.00717.74
8.1.210.0060.00318.77
8.1.200.0030.00617.10
8.1.190.0000.00817.23
8.1.180.0080.00018.89
8.1.170.0080.00318.40
8.1.160.0040.00421.99
8.1.150.0000.00818.70
8.1.140.0070.00017.16
8.1.130.0070.00017.76
8.1.120.0030.00317.31
8.1.110.0000.00817.34
8.1.100.0070.00017.32
8.1.90.0000.00717.33
8.1.80.0040.00417.31
8.1.70.0070.00017.30
8.1.60.0030.00617.46
8.1.50.0050.00317.36
8.1.40.0040.00417.38
8.1.30.0040.00417.49
8.1.20.0000.00717.51
8.1.10.0040.00417.45
8.1.00.0040.00417.33
8.0.300.0070.00018.77
8.0.290.0000.00716.75
8.0.280.0000.01018.37
8.0.270.0000.00717.17
8.0.260.0000.00817.19
8.0.250.0030.00316.70
8.0.240.0000.00816.84
8.0.230.0030.00316.85
8.0.220.0000.00716.77
8.0.210.0000.00716.71
8.0.200.0040.00416.82
8.0.190.0040.00416.76
8.0.180.0000.00716.63
8.0.170.0000.00816.73
8.0.160.0070.00016.65
8.0.150.0000.00816.75
8.0.140.0070.00016.74
8.0.130.0050.00013.36
8.0.120.0050.00216.73
8.0.110.0050.00316.79
8.0.100.0040.00416.79
8.0.90.0000.00816.71
8.0.80.0100.00716.70
8.0.70.0040.00316.68
8.0.60.0060.00316.59
8.0.50.0000.00816.56
8.0.30.0100.01016.84
8.0.20.0140.00817.40
8.0.10.0040.00416.81
8.0.00.0140.00716.62
7.4.330.0030.00315.00
7.4.320.0000.00616.46
7.4.300.0080.00016.45
7.4.290.0070.00016.38
7.4.280.0000.00816.45
7.4.270.0030.00316.46
7.4.260.0070.00016.47
7.4.250.0000.00716.25
7.4.240.0000.00716.38
7.4.230.0030.00316.47
7.4.220.0130.00916.39
7.4.210.0040.01016.50
7.4.200.0030.00316.27
7.4.160.0130.01016.35
7.4.150.0030.01417.40
7.4.140.0130.00617.86
7.4.130.0040.01316.44
7.4.120.0090.00816.32
7.4.110.0070.01016.29
7.4.100.0130.00416.31
7.4.90.0140.00716.28
7.4.80.0150.00419.39
7.4.70.0100.00716.16
7.4.60.0040.01116.42
7.4.50.0000.00816.14
7.4.40.0080.00816.50
7.4.30.0130.00316.43
7.3.330.0020.00312.97
7.3.320.0050.00013.11
7.3.310.0030.00316.00
7.3.300.0060.00016.04
7.3.290.0030.01616.07
7.3.280.0090.00816.08
7.3.270.0030.01717.40
7.3.260.0130.00316.38
7.3.250.0100.01016.33
7.3.240.0180.00016.09
7.3.230.0160.00016.56
7.3.210.0090.01316.14
7.3.200.0120.00419.39
7.3.190.0170.00416.16
7.3.180.0060.01116.05
7.3.170.0090.00616.27
7.3.160.0070.01116.05
7.2.330.0110.01116.42
7.2.320.0150.00616.61
7.2.310.0090.00816.20
7.2.300.0150.00316.56
7.2.290.0000.01616.40
5.4.320.0070.03712.45
5.4.310.0060.03912.45
5.4.300.0060.03912.45
5.4.290.0110.03812.45
5.4.280.0080.04012.34
5.4.270.0060.03712.35
5.4.260.0050.03912.34
5.4.250.0060.03812.34
5.4.240.0070.03612.35
5.4.230.0060.03912.34
5.4.220.0080.03512.34
5.4.210.0080.04312.34
5.4.200.0050.03912.34
5.4.190.0100.04112.34
5.4.180.0070.03912.34
5.4.170.0110.03912.34
5.4.160.0050.03812.34
5.4.150.0070.04012.34
5.4.140.0040.04812.02
5.4.130.0050.03812.01
5.4.120.0070.03611.96
5.4.110.0060.03711.96
5.4.100.0080.03611.96
5.4.90.0090.05011.96
5.4.80.0080.06011.96
5.4.70.0040.03911.96
5.4.60.0090.03511.96
5.4.50.0090.04511.96
5.4.40.0130.04511.95
5.4.30.0150.04511.95
5.4.20.0030.04311.95
5.4.10.0140.06011.94
5.4.00.0050.03811.43

preferences:
36.27 ms | 401 KiB | 5 Q