3v4l.org

run code in 300+ PHP versions simultaneously
<?php function permutation(array $arr) { while($ele=array_shift($arr)) { $x=$ele; echo $x."\n"; foreach($arr as $rest) { $x.=" $rest"; echo $x."\n"; } } } permutation(array("one","two","three","four"));

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)
8.3.60.0100.00716.75
8.3.50.0100.00722.11
8.3.40.0130.00918.69
8.3.30.0100.00319.22
8.3.20.0080.00020.39
8.3.10.0040.00423.65
8.3.00.0030.00519.68
8.2.180.0060.01325.92
8.2.170.0100.01018.83
8.2.160.0070.00720.36
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0040.00421.00
8.2.110.0030.00622.24
8.2.100.0000.01117.72
8.2.90.0040.00417.97
8.2.80.0040.00417.97
8.2.70.0060.00317.93
8.2.60.0030.00518.22
8.2.50.0090.00519.22
8.2.40.0080.00018.28
8.2.30.0060.00318.18
8.2.20.0000.00717.73
8.2.10.0040.00418.12
8.2.00.0030.00517.75
8.1.280.0110.01125.92
8.1.270.0060.00323.91
8.1.260.0040.00426.35
8.1.250.0080.00028.09
8.1.240.0090.00020.69
8.1.230.0040.00720.84
8.1.220.0060.00317.79
8.1.210.0060.00318.90
8.1.200.0040.00417.22
8.1.190.0030.00617.23
8.1.180.0080.00018.10
8.1.170.0040.00418.84
8.1.160.0060.00321.95
8.1.150.0040.00418.86
8.1.140.0040.00417.43
8.1.130.0040.00420.84
8.1.120.0000.00717.47
8.1.110.0090.00417.43
8.1.100.0120.00017.44
8.1.90.0070.00617.36
8.1.80.0090.00417.38
8.1.70.0100.00217.35
8.1.60.0100.00317.57
8.1.50.0140.00017.39
8.1.40.0070.00617.46
8.1.30.0040.00917.64
8.1.20.0050.00917.56
8.1.10.0040.00717.47
8.1.00.0090.00517.42
8.0.300.0000.00719.97
8.0.290.0000.00716.75
8.0.280.0030.00318.51
8.0.270.0070.00016.73
8.0.260.0000.00616.81
8.0.250.0070.00017.00
8.0.240.0060.00216.89
8.0.230.0090.00416.83
8.0.220.0070.00716.88
8.0.210.0100.00116.89
8.0.200.0040.00616.89
8.0.190.0100.00216.87
8.0.180.0080.00316.91
8.0.170.0080.00416.88
8.0.160.0070.00316.88
8.0.150.0100.00216.81
8.0.140.0070.00516.86
8.0.130.0100.00315.03
8.0.120.0070.00516.85
8.0.110.0080.00316.91
8.0.100.0050.00516.90
8.0.90.0080.00216.83
8.0.80.0100.00316.85
8.0.70.0040.00616.81
8.0.60.0040.00716.80
8.0.50.0060.00416.82
8.0.30.0080.00916.90
8.0.20.0070.00917.05
8.0.10.0090.00717.00
8.0.00.0090.00716.95
7.4.330.0000.00515.15
7.4.320.0140.00216.36
7.4.300.0090.00416.48
7.4.290.0070.00516.59
7.4.280.0060.00716.51
7.4.270.0090.00316.55
7.4.260.0070.00616.54
7.4.250.0060.00616.53
7.4.240.0110.00216.56
7.4.230.0050.00616.47
7.4.220.0110.00316.53
7.4.210.0060.00516.59
7.4.200.0030.00616.55
7.4.190.0060.00516.67
7.4.180.0060.00216.57
7.4.160.0080.00816.59
7.4.150.0070.00916.67
7.4.140.0070.00916.72
7.4.130.0070.00816.46
7.4.120.0100.00616.50
7.4.110.0080.00816.40
7.4.100.0090.00816.54
7.4.90.0080.00916.43
7.4.80.0110.00616.72
7.4.70.0060.01016.49
7.4.60.0100.00616.48
7.4.50.0100.00716.42
7.4.40.0090.00816.41
7.4.30.0110.00716.41
7.4.20.0100.00716.41
7.4.10.0130.00616.46
7.4.00.0090.00816.41
7.3.330.0060.00514.77
7.3.320.0060.00514.85
7.3.310.0040.00716.32
7.3.300.0060.00316.30
7.3.290.0040.00716.31
7.3.280.0070.00816.34
7.3.270.0100.00516.48
7.3.260.0080.00816.34
7.3.250.0090.00816.34
7.3.240.0080.00716.32
7.3.230.0090.00716.33
7.3.220.0070.00816.31
7.3.210.0090.00816.34
7.3.200.0090.00816.58
7.3.190.0110.00616.29
7.3.180.0110.00416.30
7.3.170.0090.00816.37
7.3.160.0080.01016.36
7.3.150.0100.00716.39
7.3.140.0100.00916.37
7.3.130.0090.00916.34
7.3.120.0100.00816.23
7.3.110.0100.00916.35
7.3.100.0100.00816.31
7.3.90.0100.00816.35
7.3.80.0100.00816.15
7.3.70.0100.00816.18
7.3.60.0090.00816.19
7.3.50.0090.00816.22
7.3.40.0090.00816.21
7.3.30.0090.00916.21
7.3.20.0100.00916.45
7.3.10.0120.00716.40
7.3.00.0110.00816.48
7.2.340.0170.00716.40
7.2.330.0140.00916.45
7.2.320.0130.00916.45
7.2.310.0140.00816.46
7.2.300.0130.00916.46
7.2.290.0140.00816.47
7.2.280.0130.00916.46
7.2.270.0160.00916.51
7.2.260.0110.01016.47
7.2.250.0110.00916.48
7.2.240.0120.00816.45
7.2.230.0130.00816.50
7.2.220.0120.00916.42
7.2.210.0140.00816.29
7.2.200.0110.01016.36
7.2.190.0120.00916.36
7.2.180.0110.00916.32
7.2.170.0130.00716.38
7.2.160.0110.00916.34
7.2.150.0150.00616.62
7.2.140.0120.00816.62
7.2.130.0170.00716.73
7.2.120.0130.01016.77
7.2.110.0130.00916.74
7.2.100.0130.00816.70
7.2.90.0140.00716.69
7.2.80.0120.00816.66
7.2.70.0110.01016.70
7.2.60.0120.00916.71
7.2.50.0130.00716.68
7.2.40.0210.00816.81
7.2.30.0200.01016.82
7.2.20.0170.01016.70
7.2.10.0220.00716.79
7.2.00.0190.00916.85
7.1.330.0210.00815.75
7.1.320.0160.00915.70
7.1.310.0140.00915.58
7.1.300.0190.00715.54
7.1.290.0150.00915.57
7.1.280.0160.00815.59
7.1.270.0180.00915.56
7.1.260.0150.00915.53
7.1.250.0220.00715.60
7.1.240.0160.00915.57
7.1.230.0170.00715.64
7.1.220.0160.00915.66
7.1.210.0180.00615.64
7.1.200.0170.00815.60
7.1.190.0160.00815.64
7.1.180.0150.00815.63
7.1.170.0190.00815.61
7.1.160.0220.00715.68
7.1.150.0220.00715.68
7.1.140.0210.00915.63
7.1.130.0240.00815.71
7.1.120.0210.00715.67
7.1.110.0200.01015.60
7.1.100.0240.00815.62
7.1.90.0190.01015.65
7.1.80.0220.00715.64
7.1.70.0220.00915.42
7.1.60.0200.00918.11
7.1.50.0230.00918.00
7.1.40.0230.00818.00
7.1.30.0210.00817.99
7.1.20.0210.00817.97
7.1.10.0190.00715.41
7.1.00.0160.00815.41
7.0.330.0170.00615.32
7.0.320.0190.00715.30
7.0.310.0130.00915.29
7.0.300.0140.00815.31
7.0.290.0200.00915.37
7.0.280.0150.00815.29
7.0.270.0270.00715.38
7.0.260.0200.00915.34
7.0.250.0200.00815.42
7.0.240.0210.00715.38
7.0.230.0250.00715.38
7.0.220.0200.00715.32
7.0.210.0190.00815.18
7.0.200.0220.00715.18
7.0.190.0200.00815.18
7.0.180.0300.00715.12
7.0.170.0220.00815.16
7.0.160.0180.00815.12
7.0.150.0200.00815.11
7.0.140.0170.00715.12
7.0.130.0180.00815.17
7.0.120.0190.00815.20
7.0.110.0220.00815.11
7.0.100.0160.00915.08
7.0.90.0170.00815.11
7.0.80.0160.00815.05
7.0.70.0170.00815.09
7.0.60.0200.00715.07
7.0.50.0180.00915.08
7.0.40.0190.00815.12
7.0.30.0150.00915.12
7.0.20.0160.01015.12
7.0.10.0180.00715.12
7.0.00.0170.01015.05
5.6.400.0150.00915.76
5.6.390.0150.00815.77
5.6.380.0150.00915.66
5.6.370.0150.00915.69
5.6.360.0160.00815.71
5.6.350.0150.00815.74
5.6.340.0160.00815.73
5.6.330.0120.01115.72
5.6.320.0150.00915.73
5.6.310.0140.01015.69
5.6.300.0130.01716.35
5.6.290.0150.01516.44
5.6.280.0130.01716.45
5.6.270.0140.01616.42
5.6.260.0130.01716.46
5.6.250.0130.01616.43
5.6.240.0130.01716.47
5.6.230.0160.01516.46
5.6.220.0140.01716.41
5.6.210.0160.01416.38
5.6.200.0140.01816.48
5.6.190.0160.01516.50
5.6.180.0150.01716.44
5.6.170.0170.01616.47
5.6.160.0130.01816.45
5.6.150.0150.01616.45
5.6.140.0140.01716.47
5.6.130.0150.01516.47
5.6.120.0160.01516.40
5.6.110.0150.01616.40
5.6.100.0140.01616.43
5.6.90.0150.01616.46
5.6.80.0140.01616.35
5.6.70.0140.01716.30
5.6.60.0140.01616.38
5.6.50.0140.01516.27
5.6.40.0130.01716.32
5.6.30.0150.01516.35
5.6.20.0130.01916.32
5.6.10.0150.01516.26
5.6.00.0140.01716.28
5.5.380.0150.01517.06
5.5.370.0140.01616.01
5.5.360.0120.01815.85
5.5.350.0140.01615.90
5.5.340.0140.01615.99
5.5.330.0140.01615.96
5.5.320.0140.01615.94
5.5.310.0150.01615.99
5.5.300.0140.01615.93
5.5.290.0140.01715.99
5.5.280.0150.01515.90
5.5.270.0140.01715.90
5.5.260.0130.01715.95
5.5.250.0140.01615.96
5.5.240.0150.01615.88
5.5.230.0140.01615.83
5.5.220.0140.01615.87
5.5.210.0140.01615.94
5.5.200.0140.01715.83
5.5.190.0140.01615.86
5.5.180.0150.01615.86
5.5.170.0150.00915.61
5.5.160.0140.01615.80
5.5.150.0140.01615.81
5.5.140.0140.01615.84
5.5.130.0160.01415.76
5.5.120.0150.01515.77
5.5.110.0150.01615.76
5.5.100.0140.01615.86
5.5.90.0150.01415.84
5.5.80.0150.01615.87
5.5.70.0150.01515.91
5.5.60.0150.01715.85
5.5.50.0160.01415.83
5.5.40.0170.01515.85
5.5.30.0130.01615.88
5.5.20.0140.01515.84
5.5.10.0170.01415.83
5.5.00.0140.01615.81
5.4.450.0130.01313.62
5.4.440.0120.01413.61
5.4.430.0120.01413.62
5.4.420.0130.01213.59
5.4.410.0120.01413.63
5.4.400.0120.01313.54
5.4.390.0120.01313.50
5.4.380.0110.01413.47
5.4.370.0120.01313.50
5.4.360.0130.01213.48
5.4.350.0120.01313.50
5.4.340.0110.01413.49
5.4.330.0130.00612.62
5.4.320.0130.01313.52
5.4.310.0130.01213.52
5.4.300.0120.01513.51
5.4.290.0120.01213.52
5.4.280.0110.01413.51
5.4.270.0130.01213.52
5.4.260.0130.01113.54
5.4.250.0120.01413.49
5.4.240.0120.01413.49
5.4.230.0130.01213.45
5.4.220.0120.01413.46
5.4.210.0130.01313.48
5.4.200.0130.01413.43
5.4.190.0120.01213.43
5.4.180.0130.01313.44
5.4.170.0120.01313.45
5.4.160.0120.01313.47
5.4.150.0120.01313.44
5.4.140.0130.01213.20
5.4.130.0130.01113.15
5.4.120.0110.01313.22
5.4.110.0110.01413.22
5.4.100.0110.01413.22
5.4.90.0110.01313.16
5.4.80.0120.01213.20
5.4.70.0110.01313.23
5.4.60.0120.01313.22
5.4.50.0110.01213.20
5.4.40.0120.01413.23
5.4.30.0120.01313.24
5.4.20.0110.01313.20
5.4.10.0110.01313.23
5.4.00.0110.01213.04
5.3.290.0110.01613.31
5.3.280.0100.01513.15
5.3.270.0130.01313.19
5.3.260.0110.01313.23
5.3.250.0110.01413.21
5.3.240.0110.01313.14
5.3.230.0100.01513.21
5.3.220.0110.01313.03
5.3.210.0110.01413.05
5.3.200.0100.01413.08
5.3.190.0120.01313.11
5.3.180.0120.01313.21
5.3.170.0110.01413.23
5.3.160.0110.01313.19
5.3.150.0110.01413.24
5.3.140.0120.01213.15
5.3.130.0120.01513.13
5.3.120.0110.01513.19
5.3.110.0100.01413.15
5.3.100.0100.01413.08
5.3.90.0110.01313.14
5.3.80.0100.01513.04
5.3.70.0110.01413.04
5.3.60.0110.01413.08
5.3.50.0110.01513.03
5.3.40.0120.01312.99
5.3.30.0130.01213.12
5.3.20.0110.01413.03
5.3.10.0100.01312.84
5.3.00.0110.01312.85

preferences:
30.47 ms | 401 KiB | 5 Q