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(1,2,3,4));

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)
8.3.60.0060.00918.43
8.3.50.0120.00921.21
8.3.40.0110.00318.62
8.3.30.0070.00719.12
8.3.20.0040.00420.29
8.3.10.0080.00023.66
8.3.00.0000.00919.57
8.2.180.0120.00616.63
8.2.170.0110.00422.96
8.2.160.0170.00718.79
8.2.150.0070.00024.18
8.2.140.0080.00024.66
8.2.130.0080.00026.16
8.2.120.0060.00320.94
8.2.110.0090.00021.18
8.2.100.0090.00318.14
8.2.90.0120.00818.33
8.2.80.0100.00818.30
8.2.70.0160.00518.90
8.2.60.0180.00118.10
8.2.50.0190.00218.10
8.2.40.0130.00119.45
8.2.30.0150.00418.37
8.2.20.0110.00718.07
8.2.10.0110.00618.22
8.2.00.0150.00218.13
8.1.280.0090.00625.92
8.1.270.0060.00323.83
8.1.260.0050.00326.35
8.1.250.0080.00028.09
8.1.240.0100.00023.96
8.1.230.0080.00720.66
8.1.220.0110.00718.16
8.1.210.0140.00418.61
8.1.200.0090.00817.89
8.1.190.0140.00417.78
8.1.180.0120.00618.27
8.1.170.0140.00618.40
8.1.160.0130.00320.21
8.1.150.0120.00518.62
8.1.140.0150.00217.95
8.1.130.0080.00617.90
8.1.120.0100.00617.75
8.1.110.0110.00617.79
8.1.100.0110.00517.78
8.1.90.0120.00517.73
8.1.80.0110.00617.81
8.1.70.0130.00417.79
8.1.60.0160.00117.85
8.1.50.0110.00717.80
8.1.40.0130.00517.86
8.1.30.0110.00417.82
8.1.20.0170.00517.83
8.1.10.0130.00617.69
8.1.00.0170.00417.61
8.0.300.0120.00519.16
8.0.290.0140.00417.53
8.0.280.0130.00618.47
8.0.270.0120.00617.80
8.0.260.0100.00817.70
8.0.250.0080.00717.60
8.0.240.0100.00517.56
8.0.230.0120.00517.56
8.0.220.0100.00717.57
8.0.210.0130.00417.58
8.0.200.0090.00817.59
8.0.190.0130.00417.60
8.0.180.0110.00717.60
8.0.170.0130.00517.60
8.0.160.0170.00217.42
8.0.150.0140.00317.37
8.0.140.0080.00717.34
8.0.130.0130.00216.48
8.0.120.0090.00617.38
8.0.110.0100.00517.40
8.0.100.0080.00817.36
8.0.90.0090.00517.41
8.0.80.0100.00617.25
8.0.70.0060.00917.31
8.0.60.0100.00517.39
8.0.50.0150.00317.30
8.0.30.0110.00817.27
8.0.20.0110.00517.39
8.0.10.0130.00417.41
8.0.00.0120.00617.22
7.4.330.0100.00316.97
7.4.320.0170.00117.42
7.4.300.0130.00317.47
7.4.290.0120.00417.47
7.4.280.0110.00817.42
7.4.270.0120.00417.23
7.4.260.0080.00717.21
7.4.250.0130.00317.23
7.4.240.0100.00417.05
7.4.230.0130.00417.25
7.4.220.0130.00617.08
7.4.210.0130.00317.07
7.4.200.0110.00417.13
7.4.190.0110.00417.16
7.4.180.0090.00717.27
7.4.160.0100.00617.11
7.4.150.0130.00517.25
7.4.140.0110.00517.41
7.4.130.0140.00817.01
7.4.120.0100.00617.01
7.4.110.0110.00616.99
7.4.100.0120.00417.00
7.4.90.0110.00517.11
7.4.80.0100.00717.60
7.4.70.0110.00517.05
7.4.60.0100.00617.05
7.4.50.0090.00416.98
7.4.40.0120.00417.00
7.4.30.0130.00317.03
7.4.20.0100.00517.02
7.4.10.0120.00417.05
7.4.00.0090.00616.58
7.3.330.0110.00516.34
7.3.320.0110.00516.39
7.3.310.0110.00617.06
7.3.300.0140.00317.08
7.3.290.0120.00516.96
7.3.280.0130.00616.76
7.3.270.0120.00617.17
7.3.260.0110.00716.98
7.3.250.0130.00416.88
7.3.240.0100.00816.98
7.3.230.0140.00517.01
7.3.220.0140.00317.06
7.3.210.0120.00616.98
7.3.200.0120.00616.91
7.3.190.0150.00216.96
7.3.180.0140.00416.98
7.3.170.0130.00416.99
7.3.160.0130.00517.00
7.3.150.0140.00316.94
7.3.140.0140.00316.96
7.3.130.0120.00516.96
7.3.120.0110.00516.63
7.3.110.0120.00516.91
7.3.100.0130.00516.26
7.3.90.0130.00716.34
7.3.80.0110.00816.27
7.3.70.0110.00616.06
7.3.60.0120.00516.05
7.3.50.0110.00616.12
7.3.40.0120.00716.05
7.3.30.0100.00616.08
7.3.20.0200.00716.60
7.3.10.0190.00716.52
7.3.00.0190.00616.60
7.2.340.0120.00417.19
7.2.330.0120.00417.05
7.2.320.0120.00417.04
7.2.310.0080.00816.99
7.2.300.0090.00816.99
7.2.290.0110.00517.02
7.2.280.0120.00417.05
7.2.270.0120.00417.06
7.2.260.0110.00417.05
7.2.250.0100.00517.00
7.2.240.0120.00417.06
7.2.230.0090.00817.08
7.2.220.0120.00716.48
7.2.210.0100.00816.40
7.2.200.0110.00716.21
7.2.190.0100.00816.16
7.2.180.0090.00916.13
7.2.170.0110.00716.23
7.2.160.0100.00716.21
7.2.150.0260.00516.77
7.2.140.0220.00616.71
7.2.130.0160.00816.72
7.2.120.0180.00616.73
7.2.110.0190.00816.76
7.2.100.0360.00616.74
7.2.90.0180.00716.84
7.2.80.0190.00616.78
7.2.70.0200.00916.77
7.2.60.0170.00516.78
7.2.50.0270.00616.75
7.2.40.0150.00816.74
7.2.30.0230.00616.79
7.2.20.0190.00616.78
7.2.10.0170.00616.77
7.2.00.0180.00817.51
7.1.330.0140.00517.25
7.1.320.0210.00516.29
7.1.310.0220.00616.19
7.1.300.0210.00615.91
7.1.290.0230.00515.87
7.1.280.0200.00515.91
7.1.270.0190.00815.88
7.1.260.0200.00715.93
7.1.250.0260.00615.92
7.1.240.0230.00415.84
7.1.230.0140.00915.85
7.1.220.0210.00815.85
7.1.210.0220.00515.85
7.1.200.0160.00815.86
7.1.190.0270.00615.92
7.1.180.0200.00515.85
7.1.170.0250.00415.83
7.1.160.0210.00615.81
7.1.150.0220.00515.90
7.1.140.0270.00715.91
7.1.130.0240.00615.86
7.1.120.0170.00716.47
7.1.110.0180.00516.33
7.1.100.0160.00516.48
7.1.90.0220.00616.33
7.1.80.0170.00516.36
7.1.70.0100.00716.50
7.1.60.0160.00720.11
7.1.50.0140.00620.01
7.1.40.0160.00719.88
7.1.30.0170.00619.98
7.1.20.0180.00619.90
7.1.10.0140.00716.28
7.1.00.0130.00716.28
7.0.330.0160.00615.63
7.0.320.0210.00615.69
7.0.310.0200.00615.64
7.0.300.0210.00415.70
7.0.290.0250.00715.66
7.0.280.0190.00715.65
7.0.270.0210.00715.65
7.0.260.0230.00516.20
7.0.250.0200.00716.17
7.0.240.0200.00616.09
7.0.230.0200.00615.91
7.0.220.0180.00616.13
7.0.210.0270.00516.18
7.0.200.0120.00816.24
7.0.190.0130.00616.29
7.0.180.0160.00416.15
7.0.170.0140.00716.16
7.0.160.0160.00816.16
7.0.150.0160.00616.15
7.0.140.0100.00716.07
7.0.130.0130.00616.21
7.0.120.0110.00816.20
7.0.110.0110.00816.13
7.0.100.0130.00616.08
7.0.90.0160.00516.10
7.0.80.0160.00516.18
7.0.70.0140.00416.18
7.0.60.0130.00616.11
7.0.50.0190.00616.17
7.0.40.0100.00716.15
7.0.30.0130.00616.21
7.0.20.0190.00616.10
7.0.10.0130.00716.18
7.0.00.0120.00716.14
5.6.400.0100.00615.79
5.6.390.0130.00315.77
5.6.380.0130.00415.71
5.6.370.0120.00815.73
5.6.360.0190.00715.74
5.6.350.0100.00815.84
5.6.340.0110.00515.79
5.6.330.0120.00815.75
5.6.320.0170.00615.80
5.6.310.0140.00615.94
5.6.300.0110.02517.44
5.6.290.0120.01917.51
5.6.280.0110.01917.49
5.6.270.0210.01917.47
5.6.260.0110.01817.43
5.6.250.0120.02117.51
5.6.240.0110.02217.44
5.6.230.0130.02017.48
5.6.220.0120.02017.42
5.6.210.0120.02017.48
5.6.200.0120.02217.47
5.6.190.0130.02017.48
5.6.180.0160.01817.47
5.6.170.0120.02017.46
5.6.160.0110.02017.49
5.6.150.0120.02017.51
5.6.140.0120.02017.51
5.6.130.0100.02017.43
5.6.120.0090.02317.52
5.6.110.0110.02017.37
5.6.100.0110.02117.44
5.6.90.0100.02017.45
5.6.80.0110.02017.23
5.6.70.0090.02117.23
5.6.60.0120.01917.24
5.6.50.0120.02317.24
5.6.40.0100.02017.27
5.6.30.0110.02017.26
5.6.20.0150.01717.25
5.6.10.0110.02117.24
5.6.00.0120.01717.18
5.5.380.0100.02116.45
5.5.370.0170.02016.48
5.5.360.0080.02316.39
5.5.350.0100.02016.38
5.5.340.0100.02216.54
5.5.330.0110.02116.53
5.5.320.0120.02016.50
5.5.310.0110.01916.56
5.5.300.0110.01916.49
5.5.290.0100.01916.61
5.5.280.0150.02116.53
5.5.270.0100.01916.57
5.5.260.0120.01816.51
5.5.250.0110.02216.51
5.5.240.0100.01916.42
5.5.230.0090.02116.36
5.5.220.0110.01916.28
5.5.210.0140.01816.38
5.5.200.0100.01916.38
5.5.190.0100.02016.31
5.5.180.0160.01916.26
5.5.170.0120.00815.87
5.5.160.0100.01916.30
5.5.150.0110.01816.26
5.5.140.0090.02116.27
5.5.130.0150.01816.25
5.5.120.0100.01916.33
5.5.110.0120.01716.36
5.5.100.0180.01816.31
5.5.90.0120.01616.31
5.5.80.0110.01816.26
5.5.70.0100.01916.25
5.5.60.0110.01916.39
5.5.50.0130.01816.27
5.5.40.0110.01716.33
5.5.30.0110.01916.28
5.5.20.0100.02016.29
5.5.10.0110.01616.33
5.5.00.0100.01816.35
5.4.450.0080.01915.43
5.4.440.0130.02015.43
5.4.430.0120.01515.43
5.4.420.0090.01715.37
5.4.410.0120.02015.42
5.4.400.0080.01615.31
5.4.390.0100.01615.27
5.4.380.0080.02015.32
5.4.370.0100.01615.27
5.4.360.0120.02115.32
5.4.350.0080.02015.38
5.4.340.0160.01815.28
5.4.330.0100.00413.71
5.4.320.0100.01615.33
5.4.310.0100.01715.35
5.4.300.0100.01815.25
5.4.290.0110.01815.29
5.4.280.0070.01815.36
5.4.270.0110.01715.29
5.4.260.0130.01815.33
5.4.250.0090.01715.28
5.4.240.0080.01915.34
5.4.230.0090.01815.29
5.4.220.0080.02015.26
5.4.210.0090.01715.24
5.4.200.0090.01715.26
5.4.190.0090.01815.21
5.4.180.0090.01715.26
5.4.170.0090.01615.26
5.4.160.0070.01715.19
5.4.150.0060.02015.24
5.4.140.0080.01614.51
5.4.130.0090.01814.59
5.4.120.0090.01714.58
5.4.110.0080.01914.55
5.4.100.0110.01614.67
5.4.90.0100.01614.60
5.4.80.0090.01814.59
5.4.70.0050.01914.56
5.4.60.0080.01714.61
5.4.50.0090.01614.57
5.4.40.0070.01714.63
5.4.30.0070.01714.56
5.4.20.0090.01714.62
5.4.10.0080.01914.57
5.4.00.0100.01414.46
5.3.290.0100.01714.35
5.3.280.0110.01514.21
5.3.270.0090.01714.31
5.3.260.0080.01914.33
5.3.250.0070.01814.22
5.3.240.0090.01714.19
5.3.230.0100.02014.26
5.3.220.0090.01814.21
5.3.210.0120.01514.17
5.3.200.0070.01814.21
5.3.190.0110.01814.24
5.3.180.0090.01814.27
5.3.170.0110.01814.28
5.3.160.0070.01914.26
5.3.150.0080.01814.29
5.3.140.0120.01514.24
5.3.130.0090.01814.26
5.3.120.0090.01814.17
5.3.110.0090.01814.18
5.3.100.0090.01714.15
5.3.90.0100.01414.14
5.3.80.0080.01714.11
5.3.70.0060.01914.09
5.3.60.0080.01614.13
5.3.50.0090.01514.03
5.3.40.0140.01614.11
5.3.30.0090.01614.10
5.3.20.0090.01614.07
5.3.10.0100.01313.92
5.3.00.0090.01713.91

preferences:
55.97 ms | 401 KiB | 5 Q