3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = array(1,2,3,4); foreach ($a as $k => $v) { echo $k, ':', $v, "\n"; if ($k == 2) { $a[8] = 16; } } print_r($a);

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)
8.3.60.0110.00316.38
8.3.50.0100.00622.04
8.3.40.0110.00418.83
8.3.30.0110.01119.22
8.3.20.0060.00320.25
8.3.10.0080.00023.65
8.3.00.0040.00418.87
8.2.180.0040.01116.50
8.2.170.0100.00722.96
8.2.160.0090.00620.48
8.2.150.0140.00024.18
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0040.00420.96
8.2.110.0060.00320.23
8.2.100.0090.00317.70
8.2.90.0040.00419.22
8.2.80.0050.00317.97
8.2.70.0040.00417.38
8.2.60.0060.00617.93
8.2.50.0040.00418.07
8.2.40.0000.00821.19
8.2.30.0030.00618.30
8.2.20.0000.00717.66
8.2.10.0000.00818.13
8.2.00.0080.00017.63
8.1.280.0030.01425.92
8.1.270.0100.01023.92
8.1.260.0050.00326.35
8.1.250.0080.00028.09
8.1.240.0030.00623.92
8.1.230.0070.00417.45
8.1.220.0040.00417.78
8.1.210.0040.00418.77
8.1.200.0060.00317.35
8.1.190.0080.00017.35
8.1.180.0000.01019.00
8.1.170.0050.00318.64
8.1.160.0000.00821.95
8.1.150.0080.00018.55
8.1.140.0000.00717.42
8.1.130.0000.00717.37
8.1.120.0030.00317.39
8.1.110.0000.00717.37
8.1.100.0040.00417.50
8.1.90.0000.00817.37
8.1.80.0040.00417.35
8.1.70.0020.00517.43
8.1.60.0040.00417.48
8.1.50.0050.00317.54
8.1.40.0050.00317.52
8.1.30.0040.00417.66
8.1.20.0030.00617.55
8.1.10.0000.00717.68
8.1.00.0060.00317.36
8.0.300.0000.00718.77
8.0.290.0050.00316.75
8.0.280.0040.00418.36
8.0.270.0050.00317.32
8.0.260.0030.00316.82
8.0.250.0030.00316.84
8.0.240.0000.00616.89
8.0.230.0080.00016.80
8.0.220.0070.00016.80
8.0.210.0070.00316.85
8.0.200.0060.00016.96
8.0.190.0040.00416.95
8.0.180.0070.00016.89
8.0.170.0030.00616.89
8.0.160.0030.00316.82
8.0.150.0080.00016.94
8.0.140.0000.00716.89
8.0.130.0060.00013.29
8.0.120.0030.00516.81
8.0.110.0070.00016.91
8.0.100.0030.00516.95
8.0.90.0030.00516.69
8.0.80.0070.01616.90
8.0.70.0000.00716.82
8.0.60.0000.00716.86
8.0.50.0000.00716.86
8.0.30.0140.00517.38
8.0.20.0080.01117.40
8.0.10.0000.00716.92
8.0.00.0070.01216.75
7.4.330.0000.00515.00
7.4.320.0030.00316.61
7.4.300.0000.00716.42
7.4.290.0040.00416.59
7.4.280.0060.00616.54
7.4.270.0070.00016.49
7.4.260.0000.00716.43
7.4.250.0030.00416.48
7.4.240.0020.00516.49
7.4.230.0030.00316.58
7.4.220.0110.01516.54
7.4.210.0000.01316.47
7.4.200.0030.00316.39
7.4.190.0040.00416.37
7.4.160.0060.01016.41
7.4.150.0030.01417.40
7.4.140.0030.01717.86
7.4.130.0050.01216.53
7.4.120.0150.00316.44
7.4.110.0160.00316.50
7.4.100.0090.00916.50
7.4.90.0150.00316.54
7.4.80.0110.00619.39
7.4.70.0090.00916.54
7.4.60.0070.01416.54
7.4.50.0040.00016.36
7.4.40.0070.01016.61
7.4.30.0070.01016.48
7.4.00.0090.00615.13
7.3.330.0040.00413.08
7.3.320.0000.00613.25
7.3.310.0030.00316.43
7.3.300.0030.00316.32
7.3.290.0070.00716.34
7.3.280.0100.00616.37
7.3.270.0090.01317.40
7.3.260.0110.00716.46
7.3.250.0090.00716.46
7.3.240.0080.01116.32
7.3.230.0120.01216.39
7.3.210.0060.00916.63
7.3.200.0110.01119.39
7.3.190.0130.00616.49
7.3.180.0100.00616.59
7.3.170.0060.01016.58
7.3.160.0140.00716.60
7.3.120.0060.00914.82
7.3.10.0080.00716.46
7.3.00.0090.00716.65
7.2.330.0120.00616.62
7.2.320.0080.01116.70
7.2.310.0120.01416.57
7.2.300.0070.01416.77
7.2.290.0090.00916.65
7.2.130.0060.01216.67
7.2.120.0070.01016.74
7.2.110.0160.00316.73
7.2.100.0070.00816.65
7.2.90.0110.00616.65
7.2.80.0080.00916.43
7.2.70.0070.00916.89
7.2.60.0160.00216.66
7.2.50.0130.00616.61
7.2.40.0050.01116.70
7.2.30.0070.01016.71
7.2.20.0080.00816.71
7.2.10.0100.00616.78
7.2.00.0080.01017.59
7.1.250.0110.00515.71
7.1.200.0040.00415.70
7.1.100.0030.00918.43
7.1.70.0000.01417.31
7.1.60.0040.02119.70
7.1.50.0070.01416.77
7.1.00.0030.07722.28
7.0.200.0240.00616.77
7.0.140.0000.07721.95
7.0.60.0170.07719.83
7.0.50.0070.08717.95
7.0.40.0070.04020.12
7.0.30.0100.05020.23
7.0.20.0230.05320.13
7.0.10.0070.09020.19
7.0.00.0130.08720.25
5.6.280.0030.07321.07
5.6.210.0200.07020.51
5.6.200.0030.05718.18
5.6.190.0030.04320.64
5.6.180.0200.08320.55
5.6.170.0230.06720.45
5.6.160.0070.06720.54
5.6.150.0070.03718.28
5.6.140.0100.07318.28
5.6.130.0170.04018.17
5.6.120.0000.08021.04
5.6.110.0030.08720.96
5.6.100.0130.07721.04
5.6.90.0130.07321.00
5.6.80.0130.07320.39
5.6.70.3170.03720.36
5.5.350.0170.03020.44
5.5.340.0070.06717.99
5.5.330.0100.08720.45
5.5.320.0330.08020.24
5.5.310.0230.08020.19
5.5.300.0070.06017.96
5.5.290.0100.04318.07
5.5.280.0070.06720.68
5.5.270.0030.05720.73
5.5.260.0000.09020.86
5.5.250.0070.08020.54
5.5.240.0270.07020.36
5.4.450.0700.06719.58
5.4.440.0670.06319.49
5.4.430.0070.06019.46
5.4.420.0630.00019.53
5.4.410.0130.05319.02
5.4.400.0200.06718.81
5.4.390.0230.05018.80
5.4.380.0130.05718.67
5.4.370.0100.05018.52
5.4.360.0100.05318.60
5.4.350.0130.04412.01
5.4.340.0080.03212.00
5.4.320.0080.04012.48
5.4.310.0050.03812.48
5.4.300.0070.03812.48
5.4.290.0100.03812.48
5.4.280.0060.03712.38
5.4.270.0080.03712.38
5.4.260.0070.03912.38
5.4.250.0050.03912.38
5.4.240.0060.05612.38
5.4.230.0050.05512.37
5.4.220.0040.04212.37
5.4.210.0050.05712.37
5.4.200.0110.05112.37
5.4.190.0120.03512.37
5.4.180.0100.05512.37
5.4.170.0070.03812.38
5.4.160.0070.04512.37
5.4.150.0070.04512.37
5.4.140.0110.03812.05
5.4.130.0050.05412.04
5.4.120.0070.04912.00
5.4.110.0060.04311.99
5.4.100.0080.03712.00
5.4.90.0100.04311.99
5.4.80.0060.03912.00
5.4.70.0040.04011.99
5.4.60.0080.03712.00
5.4.50.0140.09111.99
5.4.40.0100.04211.98
5.4.30.0080.03811.98
5.4.20.0070.04011.98
5.4.10.0050.03711.98
5.4.00.0050.04111.47
5.3.290.0090.04812.80
5.3.280.0110.03812.71
5.3.270.0100.04412.72
5.3.260.0070.04412.71
5.3.250.0100.03612.72
5.3.240.0040.05712.72
5.3.230.0120.06512.71
5.3.220.0110.06712.68
5.3.210.0110.05612.68
5.3.200.0060.05812.68
5.3.190.0130.05612.68
5.3.180.0110.06012.67
5.3.170.0110.05312.67
5.3.160.0080.05412.68
5.3.150.0080.04412.68
5.3.140.0100.06612.66
5.3.130.0090.06012.65
5.3.120.0060.08612.66
5.3.110.0120.06012.66
5.3.100.0100.04712.12
5.3.90.0110.05212.09
5.3.80.0100.04612.08
5.3.70.0070.04812.08
5.3.60.0090.04712.06
5.3.50.0090.06512.01
5.3.40.0220.10112.01
5.3.30.0110.07911.98
5.3.20.0100.07111.75
5.3.10.0100.07611.71
5.3.00.0180.08011.70
5.2.170.0110.0729.20
5.2.160.0060.0429.21
5.2.150.0070.0569.21
5.2.140.0070.0559.20
5.2.130.0050.0459.16
5.2.120.0070.0379.16
5.2.110.0070.0419.17
5.2.100.0080.0349.16
5.2.90.0060.0369.16
5.2.80.0080.0329.16
5.2.70.0050.0499.16
5.2.60.0060.0449.11
5.2.50.0070.0399.09
5.2.40.0050.0339.06
5.2.30.0040.0339.04
5.2.20.0050.0309.03
5.2.10.0080.0378.93
5.2.00.0060.0328.79
5.1.60.0080.0338.08
5.1.50.0050.0278.07
5.1.40.0050.0258.06
5.1.30.0080.0248.41
5.1.20.0040.0288.43
5.1.10.0080.0248.15
5.1.00.0040.0278.15
5.0.50.0040.0226.63
5.0.40.0040.0236.49
5.0.30.0070.0306.30
5.0.20.0050.0206.27
5.0.10.0030.0226.25
5.0.00.0060.0316.24
4.4.90.0040.0224.78
4.4.80.0010.0254.75
4.4.70.0050.0164.76
4.4.60.0020.0214.75
4.4.50.0020.0164.77
4.4.40.0040.0244.71
4.4.30.0000.0194.76
4.4.20.0060.0124.84
4.4.10.0050.0154.85
4.4.00.0040.0294.75
4.3.110.0030.0164.67
4.3.100.0050.0154.67
4.3.90.0010.0174.63
4.3.80.0030.0264.58
4.3.70.0030.0154.63
4.3.60.0030.0154.63
4.3.50.0000.0194.63
4.3.40.0040.0244.54
4.3.30.0040.0163.29
4.3.20.0030.0183.27
4.3.10.0050.0173.23
4.3.00.0070.0237.44

preferences:
42.86 ms | 401 KiB | 5 Q