3v4l.org

run code in 300+ PHP versions simultaneously
<?php function variations($digits, $prefix = '') { $result = []; for ($i = 1; $i <= 3; $i++) { $variation = $prefix . $i; if ($digits > 1) { $result = array_merge($result, variations($digits - 1, $variation)); } else { $result[] = $variation; } } return $result; } print_r(variations(1));

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)
8.4.140.0120.00917.52
8.4.130.0060.00317.94
8.4.120.0110.00920.50
8.4.110.0100.01018.64
8.4.100.0040.00518.83
8.4.90.0070.00120.79
8.4.80.0090.00819.10
8.4.70.0050.00317.99
8.4.60.0120.00619.03
8.4.50.0100.00919.43
8.4.40.0160.00319.62
8.4.30.0060.00319.43
8.4.20.0200.00020.73
8.4.10.0110.00819.54
8.3.270.0090.01016.54
8.3.260.0070.00316.43
8.3.250.0040.00418.90
8.3.240.0050.00418.28
8.3.230.0100.01016.39
8.3.220.0120.00618.87
8.3.210.0050.00616.39
8.3.200.0100.00616.55
8.3.190.0030.00517.37
8.3.180.0140.00516.62
8.3.170.0070.01118.93
8.3.160.0060.01218.23
8.3.150.0000.01017.14
8.3.140.0070.01116.87
8.3.130.0000.00818.62
8.3.120.0060.00320.72
8.3.110.0080.00820.94
8.3.100.0080.00016.67
8.3.90.0150.00326.77
8.3.80.0060.00316.50
8.3.70.0040.01116.58
8.3.60.0130.00718.31
8.3.50.0120.00318.51
8.3.40.0130.00918.83
8.3.30.0090.00618.59
8.3.20.0000.00818.98
8.3.10.0080.00021.65
8.3.00.0070.00020.94
8.2.290.0130.00520.23
8.2.280.0110.00818.72
8.2.270.0040.00417.16
8.2.260.0110.00718.45
8.2.250.0000.00818.20
8.2.240.0040.00418.73
8.2.230.0070.00722.58
8.2.220.0080.00024.06
8.2.210.0040.00726.77
8.2.200.0100.00018.24
8.2.190.0100.01016.75
8.2.180.0070.01025.92
8.2.170.0090.00619.04
8.2.160.0140.00722.96
8.2.150.0070.00025.66
8.2.140.0030.00524.66
8.2.130.0050.00319.77
8.2.120.0000.00826.35
8.2.110.0060.00319.30
8.2.100.0060.00617.91
8.2.90.0000.00817.75
8.2.80.0000.00817.97
8.2.70.0080.00018.05
8.2.60.0020.00518.28
8.2.50.0060.00318.10
8.2.40.0040.00422.23
8.2.30.0000.00719.30
8.2.20.0000.00718.17
8.2.10.0060.00318.03
8.2.00.0040.00418.07
8.1.330.0130.00616.11
8.1.320.0110.00816.19
8.1.310.0080.00415.98
8.1.300.0130.00316.20
8.1.290.0030.00630.84
8.1.280.0180.00425.92
8.1.270.0000.00724.66
8.1.260.0000.00826.35
8.1.250.0030.00528.09
8.1.240.0140.00717.60
8.1.230.0030.00917.81
8.1.220.0040.00417.80
8.1.210.0080.00018.77
8.1.200.0060.00317.36
8.1.190.0040.00417.35
8.1.180.0040.00418.10
8.1.170.0030.00518.45
8.1.160.0000.00818.87
8.1.150.0040.00418.82
8.1.140.0040.00422.08
8.1.130.0000.00720.11
8.1.120.0040.00417.30
8.1.110.0050.00517.29
8.1.100.0000.00817.40
8.1.90.0030.00517.38
8.1.80.0000.00717.28
8.1.70.0040.00417.30
8.1.60.0040.00417.58
8.1.50.0100.00317.57
8.1.40.0040.00717.56
8.1.30.0040.00417.65
8.1.20.0040.00417.56
8.1.10.0040.00417.40
8.1.00.0030.00617.47
8.0.300.0030.00618.77
8.0.290.0020.00516.58
8.0.280.0030.00318.43
8.0.270.0070.00016.87
8.0.260.0000.00718.46
8.0.250.0000.00716.95
8.0.240.0040.00416.84
8.0.230.0020.00516.84
8.0.220.0060.00016.73
8.0.210.0000.00716.88
8.0.200.0000.00817.01
8.0.190.0000.00716.80
8.0.180.0040.00416.91
8.0.170.0090.00016.94
8.0.160.0060.00316.72
8.0.150.0050.00316.84
8.0.140.0000.00716.85
8.0.130.0000.00613.33
8.0.120.0040.00416.86
8.0.110.0040.00416.71
8.0.100.0070.00016.75
8.0.90.0030.00516.91
8.0.80.0150.00316.84
8.0.70.0040.00416.88
8.0.60.0000.00716.79
8.0.50.0050.00216.96
8.0.30.0110.00817.03
8.0.20.0170.00317.40
8.0.10.0000.00816.91
8.0.00.0060.01116.86
7.4.330.0040.00015.55
7.4.320.0000.00816.45
7.4.300.0030.00316.58
7.4.290.0040.00416.58
7.4.280.0000.00816.43
7.4.270.0000.00716.39
7.4.260.0000.00716.57
7.4.250.0030.00516.53
7.4.240.0070.00016.49
7.4.230.0030.00616.49
7.4.220.0080.00016.35
7.4.210.0120.00316.58
7.4.200.0070.00016.43
7.4.140.0100.00917.86
7.4.130.0060.01116.50
7.4.120.0120.00716.56
7.4.110.0110.00716.50
7.4.100.0130.01016.51
7.4.90.0090.00916.52
7.4.80.0090.01519.39
7.4.70.0080.01016.64
7.4.60.0120.00616.59
7.4.50.0120.00316.48
7.4.40.0030.01316.69
7.4.10.0120.00614.98
7.4.00.0110.00514.92
7.3.330.0000.00513.36
7.3.320.0030.00313.27
7.3.310.0100.00016.28
7.3.300.0000.00716.17
7.3.290.0070.00016.24
7.3.280.0070.00716.34
7.3.260.0100.00716.37
7.3.240.0080.00916.47
7.3.230.0100.00716.37
7.3.210.0120.00316.23
7.3.200.0070.01016.32
7.3.190.0050.01116.43
7.3.180.0000.01616.57
7.3.170.0070.01316.34
7.3.160.0130.01016.66
7.3.130.0070.01115.10
7.3.120.0090.01014.90
7.3.110.0060.01314.89
7.3.100.0030.00914.64
7.3.90.0000.01414.83
7.3.80.0060.00614.69
7.3.70.0070.00414.63
7.3.60.0060.00615.05
7.3.50.0030.01014.56
7.3.40.0000.01114.92
7.3.30.0080.00414.98
7.3.20.0100.00316.48
7.3.10.0080.00616.74
7.3.00.0120.00316.63
7.2.330.0070.01016.52
7.2.320.0000.01716.33
7.2.310.0060.01016.38
7.2.300.0140.00716.28
7.2.290.0220.00416.81
7.2.260.0070.01115.07
7.2.250.0150.00014.91
7.2.240.0000.01714.93
7.2.230.0160.00014.92
7.2.220.0090.00614.86
7.2.210.0140.00014.66
7.2.200.0030.01215.14
7.2.190.0060.00315.01
7.2.180.0030.00615.14
7.2.170.0000.01515.00
7.2.160.0090.00014.90
7.2.150.0100.00716.82
7.2.140.0030.01216.64
7.2.130.0110.00416.75
7.2.120.0050.00816.54
7.2.110.0090.00716.65
7.2.100.0130.00116.69
7.2.90.0060.00616.78
7.2.80.0040.00616.76
7.2.70.0100.00616.60
7.2.60.0060.00716.91
7.2.50.0080.00916.84
7.2.40.0050.01316.89
7.2.30.0050.00916.70
7.2.20.0040.00916.82
7.2.10.0100.00416.87
7.2.00.0100.00516.94
7.1.330.0110.00415.71
7.1.320.0070.00715.86
7.1.310.0030.00715.77
7.1.300.0040.00815.78
7.1.290.0050.00315.77
7.1.280.0000.01115.78
7.1.270.0070.00715.53
7.1.260.0000.01315.43
7.1.250.0070.00615.53
7.1.240.0070.00615.63
7.1.230.0050.00815.79
7.1.220.0070.00615.63
7.1.210.0070.00415.66
7.1.200.0080.00615.67
7.1.190.0060.00515.70
7.1.180.0070.00515.73
7.1.170.0070.00715.73
7.1.160.0050.00915.57
7.1.150.0050.00915.38
7.1.140.0080.00615.78
7.1.130.0050.00615.77
7.1.120.0060.00615.72
7.1.110.0090.00215.63
7.1.100.0020.01315.48
7.1.90.0020.01115.50
7.1.80.0060.00615.45
7.1.70.0070.00715.73
7.1.60.0060.00715.62
7.1.50.0040.01115.66
7.1.40.0070.01015.85
7.1.30.0030.01015.66
7.1.20.0040.00915.79
7.1.10.0050.00615.78
7.1.00.0110.00315.58
7.0.330.0070.00715.45
7.0.320.0030.01015.26
7.0.310.0030.00715.53
7.0.300.0070.01115.13
7.0.290.0040.01215.53
7.0.280.0030.00915.14
7.0.270.0030.01215.14
7.0.260.0040.00815.09
7.0.250.0030.00615.30
7.0.240.0050.00515.36
7.0.230.0130.00015.52
7.0.220.0070.01015.57
7.0.210.0060.00315.53
7.0.200.0070.00715.55
7.0.190.0030.01515.45
7.0.180.0140.00015.24
7.0.170.0080.00315.19
7.0.160.0100.00015.43
7.0.150.0060.00615.56
7.0.140.0070.00415.53
7.0.130.0030.01315.48
7.0.120.0000.01315.49
7.0.110.0030.01215.44
7.0.100.0030.01015.09
7.0.90.0080.00415.47
7.0.80.0060.00915.16
7.0.70.0070.00715.33
7.0.60.0060.00615.18
7.0.50.0060.00615.56
7.0.40.0060.00913.21
7.0.30.0060.00613.30
7.0.20.0030.00913.16
7.0.10.0030.00713.38
7.0.00.0000.01013.46
5.6.400.0030.00914.40
5.6.390.0130.00314.65
5.6.380.0040.00814.60
5.6.370.0130.00014.39
5.6.360.0110.00714.32
5.6.350.0030.01314.56
5.6.340.0060.00314.41
5.6.330.0090.00614.62
5.6.320.0110.00414.29
5.6.310.0120.00314.36
5.6.300.0070.00714.04
5.6.290.0070.01013.97
5.6.280.0080.00414.38
5.6.270.0000.01014.37
5.6.260.0100.00314.28
5.6.250.0060.00314.50
5.6.240.0060.00914.29
5.6.230.0060.00614.24
5.6.220.0040.01114.41
5.6.210.0080.00514.21
5.6.200.0040.00714.56
5.6.190.0100.00314.65
5.6.180.0000.01414.52
5.6.170.0000.00814.50
5.6.160.0060.00914.15
5.6.150.0000.01814.59
5.6.140.0030.01014.35
5.6.130.0090.00614.71
5.6.120.0040.01114.67
5.6.110.0030.00614.46
5.6.100.0110.00014.45
5.6.90.0000.00914.61
5.6.80.0000.00914.20
5.6.70.0060.00914.28
5.6.60.0070.00414.21
5.6.50.0060.00314.25
5.6.40.0070.00314.57
5.6.30.0030.00614.36
5.6.20.0040.01114.29
5.6.10.0000.01214.25
5.6.00.0000.01014.29

preferences:
30.96 ms | 403 KiB | 5 Q