3v4l.org

run code in 300+ PHP versions simultaneously
<?php function delta() { static $lastmem; $delta = memory_get_peak_usage() - $lastmem; if ($lastmem == 0) $delta = 0; $lastmem = memory_get_peak_usage(); return $delta; } $a=range(1, 500); foreach($a as $k=>$v) { echo $v; } echo "\n"; var_dump('foreach loop and echo delta: '.delta()); for($x=0;$x<sizeof($a);$x++) { $a[$x]++; } var_dump('for loop and increment delta:'.delta()); foreach($a as $k=>$v) { $a[$k]++; } var_dump('foreach loop and increment delta: '.delta());

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)
8.3.60.0100.00716.74
8.3.50.0280.00721.96
8.3.40.0150.00418.88
8.3.30.0120.00619.09
8.3.20.0090.00020.34
8.3.10.0090.00023.50
8.3.00.0000.00819.02
8.2.180.0170.00316.35
8.2.170.0040.01122.96
8.2.160.0070.00720.34
8.2.150.0090.00024.18
8.2.140.0080.00024.66
8.2.130.0080.00026.16
8.2.120.0080.00019.36
8.2.110.0060.00322.07
8.2.100.0040.01120.35
8.2.90.0040.00419.14
8.2.80.0030.00517.97
8.2.70.0030.00617.63
8.2.60.0040.00817.79
8.2.50.0040.00418.07
8.2.40.0110.00317.84
8.2.30.0020.00518.36
8.2.20.0030.00517.82
8.2.10.0030.00518.20
8.2.00.0040.00419.64
8.1.280.0130.00625.92
8.1.270.0030.00622.02
8.1.260.0080.00026.35
8.1.250.0080.00028.09
8.1.240.0090.00022.05
8.1.230.0060.00618.98
8.1.220.0080.00017.76
8.1.210.0030.00618.77
8.1.200.0070.00317.35
8.1.190.0000.00817.13
8.1.180.0050.00318.10
8.1.170.0060.00318.56
8.1.160.0060.00321.93
8.1.150.0040.00418.71
8.1.140.0040.00417.50
8.1.130.0000.00717.83
8.1.120.0000.00817.53
8.1.110.0040.00417.48
8.1.100.0040.00417.40
8.1.90.0000.00717.41
8.1.80.0000.00717.51
8.1.70.0040.00417.43
8.1.60.0000.00817.52
8.1.50.0060.00317.57
8.1.40.0040.00417.61
8.1.30.0030.00617.58
8.1.20.0040.00417.59
8.1.10.0040.00417.58
8.1.00.0040.00417.54
8.0.300.0040.00418.77
8.0.290.0040.00416.88
8.0.280.0000.00718.42
8.0.270.0000.00717.21
8.0.260.0040.00717.26
8.0.250.0000.00717.07
8.0.240.0040.00416.95
8.0.230.0040.00417.05
8.0.220.0000.00817.07
8.0.210.0040.00417.02
8.0.200.0030.00316.97
8.0.190.0040.00417.01
8.0.180.0040.00417.02
8.0.170.0080.00016.92
8.0.160.0040.00416.99
8.0.150.0040.00416.90
8.0.140.0040.00416.81
8.0.130.0060.00013.42
8.0.120.0040.00416.80
8.0.110.0040.00417.00
8.0.100.0040.00417.03
8.0.90.0080.00016.97
8.0.80.0000.01616.95
8.0.70.0030.00716.99
8.0.60.0080.00016.95
8.0.50.0000.00717.06
8.0.30.0140.00917.12
8.0.20.0200.00517.40
8.0.10.0040.00417.13
8.0.00.0120.00817.04
7.4.330.0030.00615.00
7.4.320.0000.00716.55
7.4.300.0000.00716.62
7.4.290.0080.00016.52
7.4.280.0000.00816.52
7.4.270.0070.00016.49
7.4.260.0070.00016.60
7.4.250.0040.00416.46
7.4.240.0050.00216.63
7.4.230.0000.00716.43
7.4.220.0060.01316.59
7.4.210.0060.00916.66
7.4.200.0080.00016.62
7.4.160.0150.00416.48
7.4.150.0180.01217.40
7.4.140.0150.00717.86
7.4.130.0090.01316.53
7.4.120.0140.00616.53
7.4.110.0150.00316.53
7.4.100.0100.01016.44
7.4.90.0120.00816.54
7.4.80.0030.02016.55
7.4.70.0070.01116.51
7.4.60.0060.01516.58
7.4.50.0020.00216.59
7.4.40.0180.00716.54
7.4.30.0120.00716.55
7.4.00.0030.01015.26
7.3.330.0050.00013.35
7.3.320.0050.00013.38
7.3.310.0030.00316.43
7.3.300.0040.00416.43
7.3.290.0040.01316.32
7.3.280.0060.01216.37
7.3.270.0160.00617.40
7.3.260.0150.00816.63
7.3.250.0100.01416.38
7.3.240.0090.01216.30
7.3.230.0100.01016.44
7.3.210.0150.00616.48
7.3.200.0000.02019.39
7.3.190.0160.00416.45
7.3.180.0170.00616.30
7.3.170.0110.01316.46
7.3.160.0140.00716.60
7.3.120.0030.01214.60
7.3.10.0040.01116.75
7.3.00.0100.00716.77
7.2.330.0160.00816.79
7.2.320.0100.01616.86
7.2.310.0130.00616.51
7.2.300.0120.01216.81
7.2.290.0150.00316.54
7.2.130.0090.00617.13
7.2.120.0030.01317.04
7.2.110.0080.00817.09
7.2.100.0070.01017.15
7.2.90.0130.00017.03
7.2.80.0090.00917.06
7.2.70.0030.01317.15
7.2.60.0030.01016.95
7.2.50.0000.01116.69
7.2.40.0070.00716.85
7.2.30.0060.00917.01
7.2.20.0030.01116.93
7.2.10.0100.00617.02
7.2.00.0020.00918.29
7.1.250.0090.00615.63
7.1.200.0000.01316.00
7.1.100.0030.01318.16
7.1.70.0070.00317.22
7.1.60.0040.01219.70
7.1.50.0070.01517.05
7.1.00.0070.07322.40
7.0.200.0040.00716.50
7.0.140.0000.07722.00
7.0.60.0070.07719.98
7.0.50.0230.06017.78
7.0.40.0070.08320.40
7.0.30.0500.07320.30
7.0.20.0330.06020.25
7.0.10.0030.07720.27
7.0.00.0070.06720.09
5.6.280.0100.07020.85
5.6.210.0030.08320.58
5.6.200.0000.04318.27
5.6.190.0070.04320.42
5.6.180.3800.05320.47
5.6.170.0200.04020.54
5.6.160.0070.08720.61
5.6.150.0100.05018.25
5.6.140.0030.08018.16
5.6.130.0100.08318.19
5.6.120.0070.05721.02
5.6.110.0070.05020.93
5.6.100.0070.04021.17
5.6.90.0070.08721.07
5.6.80.0070.07720.42
5.6.70.3770.03020.53
5.5.350.0130.06320.43
5.5.340.0070.05318.05
5.5.330.0030.04320.27
5.5.320.0270.08020.38
5.5.310.0230.08020.36
5.5.300.0070.08318.02
5.5.290.0070.06317.97
5.5.280.0070.05020.71
5.5.270.0070.07720.79
5.5.260.0100.07320.80
5.5.250.0130.08020.83
5.5.240.0330.06320.38
5.4.450.0230.04031.26
5.4.440.0500.04329.33
5.4.430.0270.04329.29
5.4.420.0300.03029.29
5.4.410.0430.03729.25
5.4.400.0200.03728.63
5.4.390.0370.04725.66
5.4.380.0100.06718.81
5.4.370.0600.06318.71
5.4.360.0530.05318.79
5.4.350.1030.05018.71
5.4.340.0770.06018.73
5.4.320.0070.04412.64
5.4.310.0090.03912.63
5.4.300.0090.03512.64
5.4.290.0080.03912.63
5.4.280.0090.03612.53
5.4.270.0050.04112.54
5.4.260.0090.03912.52
5.4.250.0040.04512.53
5.4.240.0060.03812.54
5.4.230.0100.03612.53
5.4.220.0080.03612.52
5.4.210.0020.04212.53
5.4.200.0100.04512.53
5.4.190.0100.03512.53
5.4.180.0120.03912.52
5.4.170.0070.03912.53
5.4.160.0110.03212.52
5.4.150.0070.03512.52
5.4.140.0040.04212.20
5.4.130.0110.03112.20
5.4.120.0060.03812.16
5.4.110.0070.04012.15
5.4.100.0130.03512.15
5.4.90.0080.03512.14
5.4.80.0050.03812.15
5.4.70.0050.03712.14
5.4.60.0060.03612.14
5.4.50.0090.03512.14
5.4.40.0080.03312.13
5.4.30.0060.04312.13
5.4.20.0100.03212.13
5.4.10.0130.03412.13
5.4.00.0070.04211.62
5.3.290.0080.05112.88
5.3.280.0060.04012.80
5.3.270.0070.03912.82
5.3.260.0110.03512.82
5.3.250.0100.03412.82
5.3.240.0070.04012.82
5.3.230.0100.04412.81
5.3.220.0070.03712.78
5.3.210.0090.03812.78
5.3.200.0050.04112.78
5.3.190.0080.03812.78
5.3.180.0080.03712.77
5.3.170.0050.03812.77
5.3.160.0130.03212.77
5.3.150.0070.03912.78
5.3.140.0120.03412.77
5.3.130.0080.03712.77
5.3.120.0080.03912.76
5.3.110.0120.03812.76
5.3.100.0040.03912.25
5.3.90.0050.04312.23
5.3.80.0100.03612.22
5.3.70.0070.03612.22
5.3.60.0060.03712.21
5.3.50.0070.03612.16
5.3.40.0060.04012.15
5.3.30.0110.04112.11
5.3.20.0050.03811.90
5.3.10.0070.03811.86
5.3.00.0110.03511.85
5.2.170.0060.0309.34
5.2.160.0060.0299.34
5.2.150.0060.0319.34
5.2.140.0070.0369.34
5.2.130.0060.0289.30
5.2.120.0060.0289.30
5.2.110.0070.0299.30
5.2.100.0040.0309.30
5.2.90.0060.0359.30
5.2.80.0060.0349.30
5.2.70.0020.0349.30
5.2.60.0070.0359.25
5.2.50.0070.0359.22
5.2.40.0050.0379.20
5.2.30.0080.0369.17
5.2.20.0040.0329.17
5.2.10.0060.0279.07
5.2.00.0090.0318.87
5.1.60.0050.0258.17
5.1.50.0070.0318.16
5.1.40.0050.0248.14
5.1.30.0080.0288.50
5.1.20.0070.0258.52
5.1.10.0050.0268.25
5.1.00.0090.0308.25
5.0.50.0060.0196.72
5.0.40.0060.0246.59
5.0.30.0040.0326.40
5.0.20.0070.0276.37
5.0.10.0020.0326.34
5.0.00.0020.0356.34
4.4.90.0060.0194.78
4.4.80.0030.0184.76
4.4.70.0020.0244.75
4.4.60.0040.0204.76
4.4.50.0030.0254.77
4.4.40.0040.0254.72
4.4.30.0000.0194.76
4.4.20.0030.0174.84
4.4.10.0060.0194.85
4.4.00.0050.0264.76
4.3.110.0050.0174.66
4.3.100.0040.0214.66
4.3.90.0070.0134.63
4.3.80.0050.0294.63
4.3.70.0050.0184.63
4.3.60.0070.0144.63
4.3.50.0070.0214.63
4.3.40.0080.0234.57
4.3.30.0040.0163.38
4.3.20.0020.0183.36
4.3.10.0030.0173.32
4.3.00.0170.01724.75

preferences:
36.16 ms | 400 KiB | 5 Q