3v4l.org

run code in 300+ PHP versions simultaneously
<?php function everyCombination($array) { $arrayCount = count($array); $maxCombinations = pow($arrayCount, $arrayCount); $returnArray = array(); $conversionArray = array(); foreach ($array as $key => $value) { $conversionArray[base_convert($key, 10, $arrayCount)] = $value; } for ($i = 0; $i < $maxCombinations; $i++) { $combination = base_convert($i, 10, $arrayCount); $combination = str_pad($combination, $arrayCount, "0", STR_PAD_LEFT); $returnArray[] = strtr($combination, $conversionArray); } return $returnArray; } print_r(everyCombination(array('a', 'b', 'c', 'd'))); ?>

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)
8.3.60.0140.00718.43
8.3.50.0110.00621.21
8.3.40.0140.00018.84
8.3.30.0060.00819.06
8.3.20.0000.00820.20
8.3.10.0040.00422.05
8.3.00.0050.00322.58
8.2.180.0150.00416.75
8.2.170.0110.00422.96
8.2.160.0170.00319.26
8.2.150.0000.00824.18
8.2.140.0000.00924.66
8.2.130.0070.00026.16
8.2.120.0040.00419.36
8.2.110.0030.00621.99
8.2.100.0090.00917.83
8.2.90.0030.00519.21
8.2.80.0060.00318.05
8.2.70.0060.00317.63
8.2.60.0030.00517.93
8.2.50.0030.00618.07
8.2.40.0050.00320.07
8.2.30.0000.00718.25
8.2.20.0000.00717.90
8.2.10.0000.00717.75
8.2.00.0080.00017.86
8.1.280.0170.00625.92
8.1.270.0000.00822.23
8.1.260.0040.00426.35
8.1.250.0000.00728.09
8.1.240.0060.00323.78
8.1.230.0120.00019.35
8.1.220.0060.00317.89
8.1.210.0050.00318.77
8.1.200.0000.01117.35
8.1.190.0030.00517.79
8.1.180.0000.00818.95
8.1.170.0040.00718.61
8.1.160.0000.00722.36
8.1.150.0080.00018.84
8.1.140.0030.00517.50
8.1.130.0000.00717.88
8.1.120.0070.00017.62
8.1.110.0050.00317.60
8.1.100.0050.00217.55
8.1.90.0000.00717.47
8.1.80.0000.00717.59
8.1.70.0000.00717.52
8.1.60.0090.00017.67
8.1.50.0000.00817.52
8.1.40.0000.01017.66
8.1.30.0060.00317.72
8.1.20.0050.00317.67
8.1.10.0060.00317.65
8.1.00.0040.00417.49
8.0.300.0040.00418.77
8.0.290.0070.00017.05
8.0.280.0000.00718.43
8.0.270.0000.00817.41
8.0.260.0000.00716.80
8.0.250.0040.00416.98
8.0.240.0050.00216.95
8.0.230.0070.00017.10
8.0.220.0000.00717.00
8.0.210.0070.00017.00
8.0.200.0000.00717.05
8.0.190.0080.00016.97
8.0.180.0040.00416.93
8.0.170.0040.00417.02
8.0.160.0060.00317.04
8.0.150.0040.00416.93
8.0.140.0000.00816.92
8.0.130.0000.00613.50
8.0.120.0040.00417.02
8.0.110.0000.00716.95
8.0.100.0040.00417.04
8.0.90.0000.00716.95
8.0.80.0030.01516.95
8.0.70.0040.00417.10
8.0.60.0000.00816.87
8.0.50.0040.00417.00
8.0.30.0130.00717.22
8.0.20.0140.00717.40
8.0.10.0000.00717.18
8.0.00.0100.00816.92
7.4.330.0000.00515.00
7.4.320.0030.00316.73
7.4.300.0030.00316.73
7.4.290.0030.00316.60
7.4.280.0030.00316.68
7.4.270.0000.00816.56
7.4.260.0070.00016.52
7.4.250.0040.00416.55
7.4.240.0040.00416.64
7.4.230.0070.00016.37
7.4.220.0130.01316.63
7.4.210.0050.00916.57
7.4.200.0070.00016.73
7.4.190.0050.00216.59
7.4.160.0070.01416.58
7.4.150.0070.01017.40
7.4.140.0160.00817.86
7.4.130.0090.00816.55
7.4.120.0110.00816.57
7.4.110.0040.02116.43
7.4.100.0080.00816.48
7.4.90.0160.00316.70
7.4.80.0100.01019.39
7.4.70.0070.01016.66
7.4.60.0140.00316.61
7.4.50.0030.00616.61
7.4.40.0040.01522.77
7.4.30.0090.00616.82
7.4.00.0040.01115.11
7.3.330.0000.00613.54
7.3.320.0000.00513.49
7.3.310.0070.00016.50
7.3.300.0000.00716.43
7.3.290.0070.00716.48
7.3.280.0100.00716.52
7.3.270.0060.01217.40
7.3.260.0070.01116.62
7.3.250.0100.00816.49
7.3.240.0000.01816.47
7.3.230.0120.01216.54
7.3.210.0060.01116.54
7.3.200.0000.01719.39
7.3.190.0090.01216.35
7.3.180.0100.00716.66
7.3.170.0090.00616.65
7.3.160.0170.00016.73
7.3.120.0060.00615.01
7.2.330.0130.01016.75
7.2.320.0090.01316.65
7.2.310.0090.01516.73
7.2.300.0000.01716.84
7.2.290.0100.00716.61
7.2.60.0090.00616.80
7.2.50.0000.01316.84
7.1.200.0000.01315.54
7.1.100.0030.01018.33
7.1.70.0070.01016.93
7.1.60.0000.01117.20
7.1.50.0070.01317.02
7.1.00.0030.07022.43
7.0.200.0040.01816.85
7.0.140.0100.07022.00
7.0.60.0300.06719.85
7.0.50.0030.04717.96
7.0.40.0130.08320.11
7.0.30.0370.06720.07
7.0.20.0170.04720.30
7.0.10.0030.09720.25
7.0.00.0070.04020.22
5.6.280.0070.07721.10
5.6.210.0030.08720.71
5.6.200.0100.08018.28
5.6.190.0100.08720.59
5.6.180.0230.08320.83
5.6.170.0300.07720.56
5.6.160.0230.07320.63
5.6.150.0070.08318.27
5.6.140.0070.06718.34
5.6.130.0030.04318.25
5.6.120.0170.03321.09
5.6.110.0170.08021.00
5.6.100.0070.07021.11
5.6.90.0200.06721.08
5.6.80.0000.05320.39
5.5.350.0200.08720.52
5.5.340.0100.08318.05
5.5.330.0100.08320.50
5.5.320.0400.07320.61
5.5.310.0300.04720.40
5.5.300.0100.08018.01
5.5.290.0070.08718.07
5.5.280.0030.08720.87
5.5.270.0000.09720.89
5.5.260.0070.08720.97
5.5.250.0070.08020.81
5.5.240.0170.07320.36
5.4.450.2770.04319.66
5.4.440.3630.04719.57
5.4.430.1430.06319.60
5.4.420.3930.04719.54
5.4.410.4100.04019.25
5.4.400.3900.03719.03
5.4.390.3500.04319.25
5.4.380.4070.03719.29
5.4.370.3230.04019.24
5.4.360.3770.04019.24
5.4.350.3830.04019.02
5.4.340.3530.04019.29
5.4.320.3800.04019.29
5.4.310.3970.04319.27
5.4.300.3670.04319.31
5.4.290.3600.04019.33
5.4.280.3900.04319.02
5.4.270.3970.03719.31
5.4.260.3970.04019.05
5.4.250.4300.04319.13
5.4.240.3600.04319.05
5.4.230.3900.04719.23
5.4.220.3900.04019.23
5.4.210.3670.04019.15
5.4.200.4030.03319.05
5.4.190.4370.04019.05
5.4.180.4630.03019.19
5.4.170.3770.04019.23
5.4.160.4030.03319.32
5.4.150.3670.04319.04
5.4.140.4000.03716.28
5.4.130.3930.04016.31
5.4.120.3830.03016.25
5.4.110.3670.03316.57
5.4.100.4170.03316.30
5.4.90.3930.03716.47
5.4.80.3930.02716.59
5.4.70.3900.03316.36
5.4.60.3670.03316.51
5.4.50.3730.03316.50
5.4.40.3670.03016.49
5.4.30.3870.04016.52
5.4.20.3830.04316.54
5.4.10.3730.04316.53
5.4.00.3770.03015.89
5.3.290.3630.04014.73
5.3.280.3970.03314.80
5.3.270.4130.03314.71
5.3.260.4030.04014.71
5.3.250.3970.03314.66
5.3.240.3170.04014.67
5.3.230.3970.03714.68
5.3.220.4130.03314.64
5.3.210.3200.03714.63
5.3.200.3700.03314.63
5.3.190.4100.03714.64
5.3.180.4030.03314.68
5.3.170.3770.04714.67
5.3.160.3730.03714.76
5.3.150.3670.04014.67
5.3.140.3730.04014.53
5.3.130.4730.04314.51
5.3.120.4230.04314.65
5.3.110.3970.03314.60
5.3.100.3830.03714.01
5.3.90.3970.03714.13
5.3.80.3970.03714.07
5.3.70.3800.04314.07
5.3.60.3870.03014.02
5.3.50.3930.04714.16
5.3.40.4000.03713.89
5.3.30.4170.04014.02
5.3.20.0100.07313.77
5.3.10.2600.04713.78
5.3.00.4570.03713.77
5.2.170.3100.03011.12
5.2.160.3130.03711.35
5.2.150.3370.02711.09
5.2.140.2200.02711.20
5.2.130.0070.05011.11
5.2.120.0070.05711.17
5.2.110.4000.02711.07
5.2.100.4070.02711.30
5.2.90.3300.02711.22
5.2.80.3200.03011.16
5.2.70.3370.03311.20
5.2.60.3330.03311.10
5.2.50.3130.03311.02
5.2.40.2730.02711.01
5.2.30.2670.03311.03
5.2.20.2730.03011.09
5.2.10.2730.02710.92
5.2.00.2730.03010.93
5.1.60.2400.02010.03
5.1.50.2930.02310.09
5.1.40.2900.02310.18
5.1.30.2600.03310.40
5.1.20.2170.02310.39
5.1.10.1600.02310.05
5.1.00.0070.05010.20
5.0.50.0000.0539.80
5.0.40.0030.0479.80
5.0.30.0070.0679.80
5.0.20.0800.0179.80
5.0.10.1530.0239.80
5.0.00.1370.0279.80
4.4.90.1300.0179.80
4.4.80.1470.0209.80
4.4.70.1530.0179.80
4.4.60.1500.0209.80
4.4.50.1300.0139.80
4.4.40.1430.0309.80
4.4.30.1230.0209.80
4.4.20.1530.0179.80
4.4.10.0030.0409.80
4.4.00.0030.0609.80
4.3.110.0030.0409.80
4.3.100.0030.0379.80
4.3.90.1600.0109.80
4.3.80.1270.0209.80
4.3.70.1570.0139.80
4.3.60.1470.0139.80
4.3.50.1200.0209.80
4.3.40.1530.0279.80
4.3.30.0870.0139.80
4.3.20.0700.0209.80
4.3.10.0700.0179.80
4.3.00.0400.0139.80

preferences:
46.94 ms | 401 KiB | 5 Q