3v4l.org

run code in 300+ PHP versions simultaneously
<?php $set1 = ['A', 'B']; $set2 = [1, 2]; function perms( $set1, $set2) { $perms = array(); $i = count( $set1); while( $i >= 0) { $perms[] = p( $set1, $set2); $j = count( $set2); while( $j >= 0) { $perms[] = p( $set1, $set2); $set2[] = array_shift( $set2); $j--; } $set1[] = array_shift( $set1); $i--; } return $perms; } function p( $set1, $set2) { $p = array(); for( $i = 0; $i < count( $set1); $i++) { $el1 = $set1[ $i ]; $el2 = $set2[ $i ]; $p[] = $el1.$el2; } sort( $p); return implode( ', ', $p); } print_r( perms( $set1, $set2));

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)
8.3.60.0100.00318.68
8.3.50.0110.00716.54
8.3.40.0140.00718.69
8.3.30.0140.00018.81
8.3.20.0000.00818.71
8.3.10.0030.00520.53
8.3.00.0080.00017.63
8.2.180.0150.00616.59
8.2.170.0100.00722.96
8.2.160.0030.01722.25
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0070.00026.16
8.2.120.0060.00319.89
8.2.110.0000.00920.89
8.2.100.0090.00317.91
8.2.90.0080.00019.36
8.2.80.0060.00318.05
8.2.70.0030.00517.75
8.2.60.0000.00818.03
8.2.50.0080.00018.07
8.2.40.0000.00718.22
8.2.30.0040.00418.03
8.2.20.0040.00417.80
8.2.10.0040.00417.84
8.2.00.0040.00417.65
8.1.280.0040.01425.92
8.1.270.0040.00423.99
8.1.260.0100.00026.35
8.1.250.0040.00428.09
8.1.240.0090.00020.78
8.1.230.0070.00421.04
8.1.220.0040.00417.74
8.1.210.0040.00418.89
8.1.200.0030.00617.35
8.1.190.0080.00017.68
8.1.180.0060.00318.10
8.1.170.0040.00418.68
8.1.160.0000.00718.92
8.1.150.0050.00218.57
8.1.140.0030.00617.49
8.1.130.0030.00317.89
8.1.120.0070.00017.40
8.1.110.0000.00817.38
8.1.100.0000.00717.53
8.1.90.0040.00417.41
8.1.80.0000.00717.45
8.1.70.0030.00317.39
8.1.60.0000.00817.64
8.1.50.0080.00017.35
8.1.40.0050.00317.53
8.1.30.0040.00417.67
8.1.20.0080.00017.69
8.1.10.0000.00817.59
8.1.00.0000.00817.55
8.0.300.0000.00720.04
8.0.290.0070.00016.75
8.0.280.0000.00718.50
8.0.270.0000.00817.21
8.0.260.0000.00818.52
8.0.250.0080.00017.03
8.0.240.0060.00616.92
8.0.230.0000.00717.01
8.0.220.0000.00716.83
8.0.210.0070.00016.91
8.0.200.0000.00716.87
8.0.190.0040.00416.98
8.0.180.0050.00216.90
8.0.170.0040.00416.89
8.0.160.0070.00016.95
8.0.150.0030.00616.76
8.0.140.0050.00516.91
8.0.130.0000.00713.34
8.0.120.0070.00016.83
8.0.110.0040.00417.01
8.0.100.0030.00316.90
8.0.90.0080.00016.74
8.0.80.0070.01316.90
8.0.70.0040.00416.79
8.0.60.0040.00416.92
8.0.50.0000.00816.79
8.0.30.0140.00617.16
8.0.20.0150.00817.17
8.0.10.0040.00417.11
8.0.00.0090.00916.63
7.4.330.0000.00514.83
7.4.320.0000.00616.54
7.4.300.0000.00616.54
7.4.290.0000.00716.48
7.4.280.0040.00816.55
7.4.270.0000.00716.54
7.4.260.0000.00813.29
7.4.250.0070.00016.56
7.4.240.0080.00016.63
7.4.230.0020.00516.65
7.4.220.0060.01016.57
7.4.210.0060.01016.61
7.4.200.0050.00316.61
7.4.190.0070.00016.51
7.4.160.0080.00816.47
7.4.150.0110.01117.07
7.4.140.0110.01017.23
7.4.130.0070.01016.48
7.4.120.0060.01116.50
7.4.110.0130.00716.52
7.4.100.0130.00616.68
7.4.90.0140.00916.45
7.4.80.0140.00318.80
7.4.70.0080.01116.39
7.4.60.0130.00316.67
7.4.50.0000.00616.37
7.4.40.0030.01322.05
7.4.30.0060.01316.52
7.4.00.0040.01114.78
7.3.330.0000.00813.39
7.3.320.0040.00413.21
7.3.310.0030.00616.34
7.3.300.0070.00016.37
7.3.290.0110.00716.39
7.3.280.0110.00516.33
7.3.270.0150.00717.07
7.3.260.0140.00618.24
7.3.250.0140.00316.45
7.3.240.0100.00616.22
7.3.230.0150.00616.41
7.3.210.0090.00916.55
7.3.200.0070.01019.39
7.3.190.0070.01516.32
7.3.180.0030.01316.61
7.3.170.0130.00616.31
7.3.160.0120.00616.51
7.3.120.0040.00815.07
7.2.330.0090.00916.82
7.2.320.0070.01016.56
7.2.310.0000.01816.75
7.2.300.0030.01916.45
7.2.290.0120.00916.60
7.2.00.0030.00919.62
7.1.100.0000.01418.47
7.1.70.0030.00517.24
7.1.60.0070.01719.40
7.1.50.0000.01217.08
7.1.00.0030.05722.41
7.0.200.0030.00516.66
7.0.140.0030.07322.01
7.0.120.0000.03322.14
7.0.60.0070.04719.90
7.0.50.0070.08317.90
7.0.40.0100.07017.82
7.0.30.0030.04717.86
7.0.20.0270.03717.79
7.0.10.0100.08317.69
7.0.00.0100.08317.76
5.6.280.0030.07320.78
5.6.210.0070.07320.75
5.6.200.0100.07718.16
5.6.190.0170.07718.23
5.6.180.0030.05318.12
5.6.170.0100.08018.25
5.6.160.0100.05718.16
5.6.150.0130.07318.29
5.6.140.0100.07318.18
5.6.130.0100.07018.18
5.6.120.0070.08318.15
5.6.110.0030.07318.18
5.6.100.0030.05718.24
5.6.90.0030.05318.13
5.6.80.0030.05717.53
5.6.70.0070.03717.60
5.6.60.0030.04717.56
5.6.50.0100.03717.57
5.6.40.0030.04317.59
5.6.30.0070.07717.64
5.6.20.0200.06317.64
5.6.10.0130.07317.50
5.6.00.0030.04017.49
5.5.350.2930.03720.45
5.5.340.0070.08317.95
5.5.330.0000.06717.98
5.5.320.0100.07318.02
5.5.310.0000.05317.93
5.5.300.0100.07317.92
5.5.290.0070.04018.01
5.5.280.0070.08717.98
5.5.270.0100.04018.07
5.5.260.0070.08318.07
5.5.250.0030.08017.89
5.5.240.0070.03717.47
5.5.230.0130.06717.37
5.5.220.0070.04717.42
5.5.210.0030.04017.39
5.5.200.0100.04717.41
5.5.190.0130.07717.30
5.5.180.0070.08017.40
5.5.160.0100.07317.34
5.5.150.0070.04317.35
5.5.140.0030.05017.42
5.5.130.0100.07717.43
5.5.120.0100.05017.34
5.5.110.0030.07317.41
5.5.100.0100.04317.24
5.5.90.0100.07717.23
5.5.80.0100.07717.26
5.5.70.0000.06717.30
5.5.60.0070.03317.16
5.5.50.0030.05717.23
5.5.40.0100.05317.26
5.5.30.0070.06017.22
5.5.20.0070.06717.21
5.5.10.0030.06017.23
5.5.00.0100.06717.21
5.4.450.0070.04019.45
5.4.440.0100.06319.36
5.4.430.0000.06019.37
5.4.420.0000.05719.44
5.4.410.0000.04719.21
5.4.400.0070.05719.12
5.4.390.0070.03719.10
5.4.380.0100.07019.02
5.4.370.0100.06719.27
5.4.360.0000.04319.05
5.4.350.0100.06319.13
5.4.340.0100.06319.27
5.4.320.0100.07019.10
5.4.310.0070.04019.09
5.4.300.0000.04319.13
5.4.290.0030.05718.99
5.4.280.0100.07319.08
5.4.270.0070.06718.94
5.4.260.0070.06019.27
5.4.250.0100.07719.08
5.4.240.0030.07319.09
5.4.230.0000.08019.01
5.4.220.0070.03719.26
5.4.210.0130.07319.04
5.4.200.0000.08019.01
5.4.190.0030.07019.04
5.4.180.0100.07319.02
5.4.170.0030.07718.97
5.4.160.0100.04719.00
5.4.150.0100.05018.99
5.4.140.0030.07316.38
5.4.130.0070.06316.44
5.4.120.0030.04316.51
5.4.110.0070.04316.50
5.4.100.0030.03716.50
5.4.90.0100.06716.28
5.4.80.0030.04716.33
5.4.70.0130.05716.44
5.4.60.0130.04316.33
5.4.50.0100.06016.29
5.4.40.0030.05716.28
5.4.30.0070.05016.32
5.4.20.0030.06316.29
5.4.10.0100.07716.43
5.4.00.0070.06315.86
5.3.290.0030.05314.64
5.3.280.0070.03714.57
5.3.270.0130.06714.56
5.3.260.0070.04314.54
5.3.250.0200.04314.57
5.3.240.0000.08014.38
5.3.230.0030.05014.54
5.3.220.0100.03314.53
5.3.210.0100.03314.51
5.3.200.0130.02714.52
5.3.190.0070.05714.50
5.3.180.0070.05314.55
5.3.170.0100.06714.50
5.3.160.0070.05014.50
5.3.150.0230.03314.39
5.3.140.0070.07314.41
5.3.130.0130.07314.37
5.3.120.0070.04714.38
5.3.110.0100.07714.48
5.3.100.0070.06013.97
5.3.90.0100.06714.10
5.3.80.0100.05313.98
5.3.70.0000.06313.96
5.3.60.0170.06013.85
5.3.50.0070.07013.89
5.3.40.0000.05313.72
5.3.30.0100.07013.88
5.3.20.0000.07013.46
5.3.10.0070.05713.62
5.3.00.0030.07013.55
5.2.170.0070.06011.13
5.2.160.0130.05311.13
5.2.150.0030.06711.05
5.2.140.0100.03310.97
5.2.130.0100.03310.94
5.2.120.0130.05711.09
5.2.110.0170.05011.00
5.2.100.0100.05711.09
5.2.90.0070.04011.07
5.2.80.0070.03311.07
5.2.70.0070.03311.09
5.2.60.0100.05711.02
5.2.50.0070.06310.96
5.2.40.0070.06010.93
5.2.30.0070.06010.95
5.2.20.0070.05010.93
5.2.10.0000.05310.78
5.2.00.0030.05710.70
5.1.60.0030.0479.98
5.1.50.0070.0439.92
5.1.40.0030.0509.95
5.1.30.0100.04310.35
5.1.20.0030.05710.35
5.1.10.0000.04710.21
5.1.00.0030.0379.98
5.0.50.0030.0509.45
5.0.40.0070.0239.45
5.0.30.0000.0679.45
5.0.20.0030.0479.45
5.0.10.0030.0339.45
5.0.00.0030.0639.45
4.4.90.0000.0379.45
4.4.80.0070.0279.45
4.4.70.0000.0379.45
4.4.60.0000.0279.45
4.4.50.0030.0309.45
4.4.40.0000.0509.45
4.4.30.0000.0379.45
4.4.20.0030.0379.45
4.4.10.0030.0179.45
4.4.00.0030.0279.45
4.3.110.0030.0209.45
4.3.100.0030.0209.45
4.3.90.0000.0339.45
4.3.80.0030.0479.45
4.3.70.0000.0309.45
4.3.60.0000.0379.45
4.3.50.0030.0179.45
4.3.40.0000.0509.45
4.3.30.0000.0179.45
4.3.20.0030.0309.45
4.3.10.0030.0279.45
4.3.00.0000.0379.45

preferences:
56.15 ms | 401 KiB | 5 Q