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) { } var_dump(memory_get_peak_usage()); 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)
8.3.70.0160.01216.58
8.3.60.0120.00416.63
8.3.50.0260.00521.99
8.3.40.0160.00018.75
8.3.30.0180.00019.07
8.3.20.0040.00420.46
8.3.10.0040.00423.40
8.3.00.0090.00019.08
8.2.180.0040.01116.63
8.2.170.0070.00722.96
8.2.160.0120.00320.39
8.2.150.0080.00024.18
8.2.140.0000.00824.66
8.2.130.0030.00526.16
8.2.120.0040.00419.50
8.2.110.0060.00320.99
8.2.100.0090.00317.90
8.2.90.0000.00819.26
8.2.80.0040.00417.97
8.2.70.0060.00317.63
8.2.60.0060.00318.05
8.2.50.0030.00618.07
8.2.40.0100.00317.91
8.2.30.0040.00418.25
8.2.20.0080.00017.73
8.2.10.0030.00517.94
8.2.00.0050.00319.50
8.1.280.0120.00325.92
8.1.270.0000.00922.05
8.1.260.0030.00626.35
8.1.250.0000.00828.09
8.1.240.0050.00521.37
8.1.230.0120.00017.64
8.1.220.0050.00517.79
8.1.210.0040.00418.77
8.1.200.0030.00617.36
8.1.190.0040.00417.13
8.1.180.0000.00818.10
8.1.170.0050.00318.57
8.1.160.0040.00422.05
8.1.150.0040.00418.68
8.1.140.0040.00417.47
8.1.130.0000.00717.80
8.1.120.0000.00817.52
8.1.110.0080.00017.46
8.1.100.0000.00817.37
8.1.90.0000.00717.44
8.1.80.0040.00417.48
8.1.70.0050.00217.45
8.1.60.0040.00417.49
8.1.50.0000.00817.60
8.1.40.0040.00417.49
8.1.30.0030.00617.50
8.1.20.0040.00417.57
8.1.10.0040.00417.53
8.1.00.0000.00817.38
8.0.300.0050.00318.77
8.0.290.0000.00916.75
8.0.280.0000.00718.35
8.0.270.0030.00517.27
8.0.260.0000.00917.33
8.0.250.0080.00017.04
8.0.240.0040.00417.07
8.0.230.0070.00016.88
8.0.220.0000.00716.88
8.0.210.0070.00016.91
8.0.200.0030.00316.90
8.0.190.0000.00817.01
8.0.180.0070.00016.92
8.0.170.0040.00417.00
8.0.160.0070.00016.95
8.0.150.0000.00816.91
8.0.140.0070.00016.98
8.0.130.0000.00613.37
8.0.120.0000.00816.92
8.0.110.0080.00016.87
8.0.100.0000.00916.91
8.0.90.0070.00016.81
8.0.80.0160.00716.88
8.0.70.0030.00716.92
8.0.60.0040.00416.98
8.0.50.0000.00816.80
8.0.30.0140.01217.08
8.0.20.0100.01317.40
8.0.10.0040.00417.05
8.0.00.0100.01016.85
7.4.330.0070.00015.00
7.4.320.0030.00316.49
7.4.300.0000.00716.46
7.4.290.0000.00716.67
7.4.280.0040.00416.62
7.4.270.0040.00416.43
7.4.260.0050.00216.46
7.4.250.0040.00416.63
7.4.240.0040.00416.49
7.4.230.0040.00416.65
7.4.220.0130.00716.47
7.4.210.0120.00916.43
7.4.200.0040.00416.71
7.4.160.0090.00916.57
7.4.150.0190.00417.40
7.4.140.0110.00817.86
7.4.130.0140.01116.69
7.4.120.0130.00516.62
7.4.110.0140.00616.58
7.4.100.0130.00716.43
7.4.90.0160.00616.54
7.4.80.0100.01519.39
7.4.70.0060.01216.54
7.4.60.0110.01116.57
7.4.50.0030.00516.42
7.4.40.0070.01316.30
7.4.30.0140.00316.78
7.4.00.0140.00314.69
7.3.330.0000.00513.27
7.3.320.0030.00313.20
7.3.310.0000.00716.36
7.3.300.0000.00716.25
7.3.290.0150.00516.39
7.3.280.0090.00916.34
7.3.270.0130.01217.40
7.3.260.0110.01916.63
7.3.250.0140.00616.47
7.3.240.0190.00316.41
7.3.230.0160.00516.58
7.3.210.0060.01616.51
7.3.200.0100.01019.39
7.3.190.0110.01216.64
7.3.180.0070.01116.43
7.3.170.0070.01316.39
7.3.160.0100.01416.63
7.3.120.0100.00614.93
7.2.330.0070.01416.78
7.2.320.0140.01116.73
7.2.310.0070.01416.87
7.2.300.0090.01016.69
7.2.290.0030.01616.61
7.2.60.0100.00316.99
7.2.00.0040.00819.56
7.1.200.0000.00616.00
7.1.100.0110.00418.28
7.1.70.0000.00717.38
7.1.60.0120.00319.70
7.1.50.0070.01816.55
7.1.00.0100.07022.31
7.0.200.0050.00516.58
7.0.140.0000.07722.11
7.0.60.0130.08319.95
7.0.50.0000.04317.75
7.0.40.0070.07020.40
7.0.30.0270.08020.18
7.0.20.0230.08020.27
7.0.10.0330.06020.24
7.0.00.0200.06020.09
5.6.280.0130.05721.11
5.6.210.0130.08020.76
5.6.200.0030.04018.25
5.6.190.0070.04020.61
5.6.180.0070.08020.33
5.6.170.0300.07320.47
5.6.160.0170.07320.44
5.6.150.0070.08018.28
5.6.140.0100.03718.16
5.6.130.0030.06318.19
5.6.120.0130.08021.05
5.6.110.0130.05721.02
5.6.100.0030.04021.15
5.6.90.0070.09021.01
5.6.80.0030.07320.57
5.6.70.0270.06020.43
5.5.350.0000.07720.43
5.5.340.0100.06317.95
5.5.330.0130.04720.40
5.5.320.0430.07020.51
5.5.310.0430.06020.47
5.5.300.0000.09018.07
5.5.290.0170.05718.07
5.5.280.0170.06020.87
5.5.270.0000.04320.80
5.5.260.0070.05320.91
5.5.250.0030.06720.53
5.5.240.0070.05720.22
5.4.450.0330.03731.26
5.4.440.0430.04729.34
5.4.430.0300.05029.29
5.4.420.0400.02729.29
5.4.410.0130.04329.25
5.4.400.0630.03727.00
5.4.390.0470.04725.66
5.4.380.0700.05718.73
5.4.370.0770.05018.81
5.4.360.1000.05318.73
5.4.350.1200.07718.72
5.4.340.0970.07018.85
5.4.320.0110.03912.64
5.4.310.0070.04712.64
5.4.300.0130.03612.64
5.4.290.0120.05612.64
5.4.280.0130.04812.54
5.4.270.0100.04312.52
5.4.260.0060.04212.54
5.4.250.0060.04112.53
5.4.240.0080.04612.54
5.4.230.0080.03812.53
5.4.220.0070.03912.53
5.4.210.0100.03512.52
5.4.200.0050.04012.53
5.4.190.0110.03312.52
5.4.180.0040.04012.52
5.4.170.0090.04012.53
5.4.160.0050.04112.53
5.4.150.0070.04412.52
5.4.140.0100.04312.21
5.4.130.0060.03712.20
5.4.120.0080.03512.16
5.4.110.0060.03712.15
5.4.100.0070.03612.15
5.4.90.0060.04012.15
5.4.80.0030.04112.15
5.4.70.0050.03712.14
5.4.60.0040.03912.14
5.4.50.0080.03612.14
5.4.40.0140.03912.13
5.4.30.0060.03912.13
5.4.20.0070.03512.13
5.4.10.0080.03312.13
5.4.00.0050.03811.62
5.3.290.0070.04512.88
5.3.280.0070.04012.81
5.3.270.0150.06512.82
5.3.260.0070.04312.82
5.3.250.0110.04312.82
5.3.240.0050.04012.82
5.3.230.0100.03612.81
5.3.220.0070.03712.78
5.3.210.0080.04012.78
5.3.200.0060.03912.77
5.3.190.0070.03912.79
5.3.180.0110.03312.77
5.3.170.0090.03612.78
5.3.160.0080.03812.77
5.3.150.0080.04612.77
5.3.140.0070.04012.77
5.3.130.0090.04612.76
5.3.120.0070.04712.76
5.3.110.0040.04212.76
5.3.100.0050.04112.25
5.3.90.0050.03912.23
5.3.80.0080.03512.22
5.3.70.0050.03712.22
5.3.60.0100.04212.21
5.3.50.0080.03512.16
5.3.40.0090.03812.16
5.3.30.0060.04412.11
5.3.20.0120.03811.90
5.3.10.0040.04311.86
5.3.00.0060.04211.85
5.2.170.0040.0329.34
5.2.160.0060.0299.34
5.2.150.0090.0409.34
5.2.140.0110.0359.34
5.2.130.0070.0339.30
5.2.120.0080.0279.30
5.2.110.0060.0299.31
5.2.100.0060.0299.31
5.2.90.0070.0289.30
5.2.80.0050.0389.30
5.2.70.0050.0319.30
5.2.60.0070.0349.25
5.2.50.0070.0369.22
5.2.40.0070.0279.20
5.2.30.0060.0299.17
5.2.20.0080.0319.16
5.2.10.0050.0289.07
5.2.00.0060.0278.87
5.1.60.0060.0258.17
5.1.50.0050.0238.17
5.1.40.0040.0308.15
5.1.30.0030.0278.50
5.1.20.0020.0328.52
5.1.10.0030.0278.25
5.1.00.0070.0228.24
5.0.50.0020.0216.73
5.0.40.0030.0206.58
5.0.30.0040.0366.40
5.0.20.0060.0196.37
5.0.10.0070.0166.34
5.0.00.0030.0366.34
4.4.90.0040.0154.78
4.4.80.0030.0254.75
4.4.70.0040.0144.75
4.4.60.0040.0224.75
4.4.50.0030.0194.77
4.4.40.0020.0304.72
4.4.30.0030.0154.76
4.4.20.0010.0234.84
4.4.10.0040.0194.85
4.4.00.0060.0334.75
4.3.110.0030.0214.67
4.3.100.0020.0194.66
4.3.90.0050.0134.63
4.3.80.0030.0244.63
4.3.70.0030.0194.63
4.3.60.0020.0164.63
4.3.50.0060.0134.63
4.3.40.0060.0224.58
4.3.30.0000.0203.39
4.3.20.0020.0173.36
4.3.10.0040.0163.32
4.3.00.0100.01024.50

preferences:
42.55 ms | 401 KiB | 5 Q