3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a=array(0,1,2,3,4); function g($array, $len){ $maxKey =count($array)-1-$len; echo $maaxKey; } g($a, 3);

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)
8.3.40.0150.00018.85
8.3.30.0070.00718.66
8.3.20.0080.00020.26
8.3.10.0000.00722.10
8.3.00.0040.00422.58
8.2.170.0160.00322.96
8.2.160.0130.00020.29
8.2.150.0050.00324.18
8.2.140.0050.00324.66
8.2.130.0090.00926.16
8.2.120.0030.00619.41
8.2.110.0060.00322.27
8.2.100.0080.00319.39
8.2.90.0060.00319.05
8.2.80.0040.00419.33
8.2.70.0040.00417.63
8.2.60.0070.00018.04
8.2.50.0000.00918.07
8.2.40.0030.00618.16
8.2.30.0040.00418.09
8.2.20.0040.00417.58
8.2.10.0040.00417.76
8.2.00.0000.00717.70
8.1.270.0040.00420.45
8.1.260.0000.00826.35
8.1.250.0070.00028.09
8.1.240.0060.00323.98
8.1.230.0060.00618.89
8.1.220.0080.00017.78
8.1.210.0040.00718.77
8.1.200.0040.00417.35
8.1.190.0040.00417.53
8.1.180.0040.00419.48
8.1.170.0030.00618.67
8.1.160.0000.00722.18
8.1.150.0000.00718.67
8.1.140.0060.00317.35
8.1.130.0000.00717.86
8.1.120.0030.00317.36
8.1.110.0040.00417.44
8.1.100.0030.00417.35
8.1.90.0040.00417.46
8.1.80.0000.00817.43
8.1.70.0030.00317.33
8.1.60.0030.00517.62
8.1.50.0040.00417.39
8.1.40.0080.00017.53
8.1.30.0040.00417.64
8.1.20.0090.00017.49
8.1.10.0070.00017.48
8.1.00.0000.00817.45
8.0.300.0040.00418.77
8.0.290.0040.00417.05
8.0.280.0070.00018.35
8.0.270.0000.00817.32
8.0.260.0000.00916.91
8.0.250.0030.00317.01
8.0.240.0040.00416.90
8.0.230.0000.00716.95
8.0.220.0070.00016.81
8.0.210.0000.00716.86
8.0.200.0040.00416.95
8.0.190.0040.00316.89
8.0.180.0000.00716.93
8.0.170.0040.00416.97
8.0.160.0040.00416.89
8.0.150.0000.00716.85
8.0.140.0040.00416.79
8.0.130.0000.00513.43
8.0.120.0000.00816.87
8.0.110.0040.00417.00
8.0.100.0050.00216.93
8.0.90.0030.00616.92
8.0.80.0000.01816.90
8.0.70.0080.00016.83
8.0.60.0040.00316.84
8.0.50.0030.00316.81
8.0.30.0110.00817.02
8.0.20.0100.01017.40
8.0.10.0070.00017.05
8.0.00.0080.01016.63
7.4.330.0020.00215.00
7.4.320.0030.00316.56
7.4.300.0020.00516.53
7.4.290.0080.00016.49
7.4.280.0040.00416.59
7.4.270.0070.00016.47
7.4.260.0040.00416.52
7.4.250.0040.00316.51
7.4.240.0020.00616.46
7.4.230.0000.00616.57
7.4.220.0070.01116.60
7.4.210.0060.01016.55
7.4.200.0040.00416.57
7.4.190.0000.00716.73
7.4.160.0060.00916.41
7.4.150.0110.00617.40
7.4.140.0070.01017.86
7.4.130.0110.00716.56
7.4.120.0090.00916.65
7.4.110.0110.00616.41
7.4.100.0140.00316.73
7.4.90.0110.00716.57
7.4.80.0060.01119.39
7.4.70.0100.01016.30
7.4.60.0130.00316.38
7.4.50.0000.00816.38
7.4.40.0030.01022.77
7.4.30.0090.00616.71
7.4.00.0060.00614.90
7.3.330.0050.00013.28
7.3.320.0060.00013.30
7.3.310.0030.00516.38
7.3.300.0040.00416.29
7.3.290.0030.00916.35
7.3.280.0060.00916.35
7.3.270.0100.00717.40
7.3.260.0100.00716.56
7.3.250.0110.00916.47
7.3.240.0150.00316.48
7.3.230.0060.01016.61
7.3.210.0090.00916.59
7.3.200.0110.01219.39
7.3.190.0040.01916.32
7.3.180.0090.00616.41
7.3.170.0100.01016.55
7.3.160.0130.00316.36
7.3.120.0030.01415.09
7.2.330.0100.00716.78
7.2.320.0060.01216.67
7.2.310.0090.01516.73
7.2.300.0110.00616.31
7.2.290.0070.01016.54
7.2.110.0060.00916.70
7.2.60.0060.00716.71
7.2.00.0000.01219.68
7.1.200.0000.01215.89
7.1.100.0030.01017.89
7.1.70.0050.00317.06
7.1.60.0140.01019.82
7.1.50.0100.01617.02
7.1.00.0000.06322.45
7.0.200.0000.00716.67
7.0.140.0100.06321.99
7.0.60.0130.06019.90
7.0.50.0100.07017.79
7.0.40.0100.06019.96
7.0.30.0270.05720.35
7.0.20.0230.05320.22
7.0.10.0400.07320.32
7.0.00.0030.04320.05
5.6.280.0070.07021.02
5.6.210.0100.07720.67
5.6.200.0030.08018.18
5.6.190.0030.08020.49
5.6.180.4100.04320.41
5.6.170.0370.07020.54
5.6.160.0130.07720.71
5.6.150.0070.03718.25
5.6.140.0030.07318.27
5.6.130.0100.07018.15
5.6.120.0070.04021.01
5.6.110.0130.04021.02
5.6.100.0070.04021.04
5.6.90.0130.08021.00
5.6.80.0070.05720.39
5.6.70.0230.06320.34
5.5.350.0070.03320.29
5.5.340.0070.04717.98
5.5.330.0070.04320.23
5.5.320.0070.04720.25
5.5.310.0230.07020.30
5.5.300.0030.07717.98
5.5.290.0030.04018.06
5.5.280.0070.08320.69
5.5.270.0130.07020.87
5.5.260.0030.06320.87
5.5.250.0000.08320.59
5.5.240.0130.07020.23
5.4.450.0700.06019.39
5.4.440.0930.07019.34
5.4.430.0800.06719.45
5.4.420.0270.05019.30
5.4.410.0830.05719.20
5.4.400.1100.05718.85
5.4.390.0970.06018.59
5.4.380.0170.06718.55
5.4.370.0130.05018.76
5.4.360.0200.04318.61
5.4.350.0070.04512.02
5.4.340.0100.03912.01
5.4.320.0090.03812.50
5.4.310.0070.03612.50
5.4.300.0050.03712.51
5.4.290.0080.03512.50
5.4.280.0030.03812.39
5.4.270.0070.05212.39
5.4.260.0090.03912.40
5.4.250.0030.05718.74
5.4.240.0100.05718.75
5.4.230.0170.04018.88
5.4.220.0100.05318.70
5.4.210.0230.03718.91
5.4.200.0130.04718.55
5.4.190.0130.04718.88
5.4.180.0030.05718.92
5.4.170.0030.07018.94
5.4.160.0170.04018.87
5.4.150.0130.05318.72
5.4.140.0100.05016.39
5.4.130.0070.05316.58
5.4.120.0030.05316.45
5.4.110.0000.05716.54
5.4.100.0030.05016.35
5.4.90.0130.04016.57
5.4.80.0070.04716.40
5.4.70.0000.05316.49
5.4.60.0100.04716.41
5.4.50.0030.05016.45
5.4.40.0030.05016.33
5.4.30.0100.04316.27
5.4.20.0070.04716.27
5.4.10.0070.05016.27
5.4.00.0130.06716.02
5.3.290.0020.04412.80
5.3.280.0070.05014.67
5.3.270.0100.05014.84
5.3.260.0100.07014.50
5.3.250.0100.05014.76
5.3.240.0100.04714.78
5.3.230.0070.05014.59
5.3.220.0100.04714.64
5.3.210.0130.04714.72
5.3.200.0130.07014.74
5.3.190.0070.05014.55
5.3.180.0070.05314.62
5.3.170.0100.05014.39
5.3.160.0030.05014.78
5.3.150.0130.04014.54
5.3.140.0170.04314.46
5.3.130.0030.05714.63
5.3.120.0070.05014.61
5.3.110.0070.05314.62
5.3.100.0170.05014.19
5.3.90.0100.05014.23
5.3.80.0100.06713.93
5.3.70.0100.04714.18
5.3.60.0170.04013.98
5.3.50.0130.04313.96
5.3.40.0070.05014.02
5.3.30.0070.04713.73
5.3.20.0030.05013.66
5.3.10.0100.04313.72
5.3.00.0000.05313.46
5.2.170.0030.04011.22
5.2.160.0100.04711.11
5.2.150.0000.04311.32
5.2.140.0030.04011.04
5.2.130.0100.03311.07
5.2.120.0030.04311.17
5.2.110.0070.03711.08
5.2.100.0070.03711.18
5.2.90.0070.04011.27
5.2.80.0030.04310.92
5.2.70.0000.04311.31
5.2.60.0070.05311.04
5.2.50.0070.03710.92
5.2.40.0030.04010.83
5.2.30.0070.04311.05
5.2.20.0100.04711.17
5.2.10.0030.04010.76
5.2.00.0070.03710.93
5.1.60.0100.0279.95
5.1.50.0070.03010.04
5.1.40.0030.0339.96
5.1.30.0070.03310.41
5.1.20.0030.03310.25
5.1.10.0030.03310.11
5.1.00.0030.03310.13
5.0.50.0070.0238.60
5.0.40.0030.0278.38
5.0.30.0030.0408.41
5.0.20.0070.0238.14
5.0.10.0100.0208.14
5.0.00.0030.0408.15
4.4.90.0000.0235.93
4.4.80.0030.0235.84
4.4.70.0000.0235.84
4.4.60.0030.0206.15
4.4.50.0030.0306.15
4.4.40.0000.0376.12
4.4.30.0070.0176.12
4.4.20.0030.0206.12
4.4.10.0030.0206.12
4.4.00.0030.0436.12
4.3.110.0070.0176.12
4.3.100.0000.0236.12
4.3.90.0000.0206.12
4.3.80.0000.0336.12
4.3.70.0000.0206.12
4.3.60.0000.0236.12
4.3.50.0030.0206.12
4.3.40.0000.0476.12
4.3.30.0070.0176.12
4.3.20.0030.0276.12
4.3.10.0070.0176.12
4.3.00.0000.0276.32

preferences:
37.47 ms | 400 KiB | 5 Q