3v4l.org

run code in 300+ PHP versions simultaneously
<?php function delta() { static $lastmem=0; return memory_get_peak_usage() - $lastmem; } $a=range(1, 500); foreach($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)
8.3.70.0160.00616.63
8.3.60.0170.00316.50
8.3.50.0110.00522.05
8.3.40.0100.00618.63
8.3.30.0110.00419.05
8.3.20.0060.00320.43
8.3.10.0000.00823.66
8.3.00.0030.00620.59
8.2.180.0190.00016.75
8.2.170.0110.01122.96
8.2.160.0040.01120.43
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0080.00026.16
8.2.120.0090.00019.36
8.2.110.0110.00020.78
8.2.100.0120.00018.03
8.2.90.0040.00419.41
8.2.80.0080.00017.97
8.2.70.0030.00617.75
8.2.60.0000.01017.93
8.2.50.0050.00318.10
8.2.40.0080.00418.22
8.2.30.0080.00018.23
8.2.20.0050.00317.73
8.2.10.0000.00917.95
8.2.00.0040.00419.58
8.1.280.0090.00625.92
8.1.270.0090.00023.87
8.1.260.0030.00626.35
8.1.250.0050.00328.09
8.1.240.0070.00422.66
8.1.230.0000.01217.76
8.1.220.0040.00417.77
8.1.210.0050.00518.77
8.1.200.0060.00317.38
8.1.190.0030.00617.10
8.1.180.0040.00418.10
8.1.170.0000.00818.46
8.1.160.0000.00821.98
8.1.150.0000.00818.65
8.1.140.0000.00817.51
8.1.130.0000.00717.80
8.1.120.0040.00417.51
8.1.110.0040.00417.52
8.1.100.0040.00417.36
8.1.90.0040.00417.47
8.1.80.0030.00517.36
8.1.70.0030.00517.34
8.1.60.0060.00317.64
8.1.50.0000.00817.57
8.1.40.0030.00517.59
8.1.30.0040.00417.58
8.1.20.0040.00417.70
8.1.10.0040.00417.42
8.1.00.0060.00317.47
8.0.300.0030.00619.87
8.0.290.0040.00416.75
8.0.280.0050.00318.38
8.0.270.0070.00017.32
8.0.260.0040.00417.33
8.0.250.0070.00016.96
8.0.240.0080.00017.06
8.0.230.0000.00717.06
8.0.220.0000.00817.02
8.0.210.0050.00216.93
8.0.200.0060.00017.06
8.0.190.0000.00717.00
8.0.180.0000.00817.07
8.0.170.0040.00416.99
8.0.160.0040.00416.95
8.0.150.0080.00016.84
8.0.140.0080.00016.95
8.0.130.0030.00313.36
8.0.120.0000.00816.87
8.0.110.0000.00816.91
8.0.100.0090.00016.84
8.0.90.0040.00416.96
8.0.80.0060.01216.89
8.0.70.0030.00516.88
8.0.60.0050.00217.02
8.0.50.0000.00716.84
8.0.30.0120.01317.16
8.0.20.0090.01217.40
8.0.10.0040.00416.97
8.0.00.0160.00516.90
7.4.330.0070.00015.07
7.4.320.0030.00316.61
7.4.300.0000.00616.53
7.4.290.0040.00416.67
7.4.280.0040.00416.53
7.4.270.0070.00016.63
7.4.260.0050.00216.57
7.4.250.0040.00416.48
7.4.240.0040.00416.58
7.4.230.0040.00416.60
7.4.220.0130.01016.56
7.4.210.0060.01216.60
7.4.200.0030.00516.59
7.4.160.0120.00616.41
7.4.150.0080.01117.40
7.4.140.0130.00917.86
7.4.130.0090.01216.53
7.4.120.0120.00816.42
7.4.110.0090.01316.44
7.4.100.0120.00816.67
7.4.90.0130.00616.68
7.4.80.0120.00919.39
7.4.70.0130.00816.60
7.4.60.0180.00416.43
7.4.50.0000.00516.40
7.4.40.0060.01416.66
7.4.30.0140.00316.58
7.4.00.0080.01014.94
7.3.330.0050.00013.22
7.3.320.0060.00013.46
7.3.310.0080.00016.28
7.3.300.0030.00316.40
7.3.290.0080.01416.46
7.3.280.0100.01016.35
7.3.270.0110.00717.40
7.3.260.0090.00916.43
7.3.250.0120.00916.41
7.3.240.0090.01816.38
7.3.230.0030.01616.39
7.3.210.0070.01416.39
7.3.200.0110.01619.39
7.3.190.0110.01416.65
7.3.180.0150.00316.29
7.3.170.0110.00816.54
7.3.160.0090.00916.40
7.3.120.0040.01215.01
7.3.110.0060.01014.94
7.3.100.0000.01015.05
7.3.90.0070.01014.80
7.3.80.0060.00914.62
7.3.70.0120.00614.93
7.3.60.0060.00614.58
7.3.50.0060.00315.03
7.3.40.0060.00315.02
7.3.30.0000.01014.77
7.3.20.0150.00416.47
7.3.10.0110.00416.72
7.3.00.0090.00616.73
7.2.330.0130.01316.77
7.2.320.0170.00616.80
7.2.310.0000.01916.80
7.2.300.0110.01216.71
7.2.290.0000.01916.53
7.2.250.0100.01015.25
7.2.240.0070.01314.70
7.2.230.0000.01615.39
7.2.220.0090.01215.29
7.2.210.0100.00314.91
7.2.200.0060.00315.31
7.2.190.0080.00415.12
7.2.180.0000.01015.14
7.2.170.0000.01514.96
7.2.60.0070.01116.74
7.1.330.0090.00915.75
7.1.320.0060.00615.91
7.1.310.0040.01115.80
7.1.300.0030.00715.73
7.1.290.0080.00615.68
7.1.280.0060.00915.71
7.1.270.0000.01115.75
7.1.260.0060.00915.85
7.1.200.0030.00315.74
7.1.100.0000.01418.13
7.1.70.0050.00217.25
7.1.60.0090.01519.70
7.1.50.0060.01816.96
7.1.00.0070.07322.57
7.0.200.0000.01116.50
7.0.140.0030.07722.08
7.0.60.0200.07019.93
7.0.50.0000.05017.90
7.0.40.0170.07320.27
7.0.30.0470.07320.11
7.0.20.0330.06720.07
7.0.10.0070.09020.12
7.0.00.0100.09020.23
5.6.280.0070.07321.10
5.6.210.0070.04320.49
5.6.200.0200.07018.17
5.6.190.0070.06020.48
5.6.180.0370.04720.60
5.6.170.0370.06720.47
5.6.160.0200.06020.49
5.6.150.0070.08018.27
5.6.140.0000.09018.25
5.6.130.0030.04718.16
5.6.120.0200.08021.05
5.6.110.0070.08321.15
5.6.100.0170.07721.12
5.6.90.0330.06021.15
5.6.80.0100.07720.32
5.5.350.3400.03720.44
5.5.340.0070.06018.08
5.5.330.0100.04720.27
5.5.320.0000.05320.27
5.5.310.0200.04020.21
5.5.300.0030.04318.04
5.5.290.0070.08018.00
5.5.280.0100.07721.00
5.5.270.0000.04720.68
5.5.260.0000.05020.82
5.5.250.0100.08020.73
5.5.240.0130.08020.07
5.4.450.4330.03719.64
5.4.440.3570.04319.48
5.4.430.3400.04319.31
5.4.420.3530.02719.54
5.4.410.2970.04019.44
5.4.400.3230.03719.02
5.4.390.3330.03718.88
5.4.380.3170.03718.98
5.4.370.3600.04318.87
5.4.360.3700.04319.09
5.4.350.3430.03719.00
5.4.340.3500.03719.31
5.4.320.3330.03319.22
5.4.310.3500.04019.23
5.4.300.3800.03319.11
5.4.290.3970.04019.31
5.4.280.4230.03019.21
5.4.270.4030.04319.14
5.4.260.3300.03319.24
5.4.250.3330.03719.15
5.4.240.3500.03719.21
5.4.230.3500.03719.22
5.4.220.3570.03719.23
5.4.210.3500.03319.24
5.4.200.3330.04719.19
5.4.190.3470.04319.08
5.4.180.3330.04019.07
5.4.170.4000.04019.07
5.4.160.3470.04019.11
5.4.150.3700.03318.85
5.4.140.3370.04016.34
5.4.130.3530.02716.40
5.4.120.3300.03316.36
5.4.110.3670.03716.30
5.4.100.3430.03716.45
5.4.90.3400.03716.45
5.4.80.3300.03016.43
5.4.70.3500.03316.38
5.4.60.3400.03716.40
5.4.50.3470.04016.57
5.4.40.3570.02316.54
5.4.30.3200.03316.58
5.4.20.3170.03716.63
5.4.10.3200.03316.47
5.4.00.3270.03715.91
5.3.290.3270.03014.82
5.3.280.3230.03314.80
5.3.270.3570.03314.79
5.3.260.3730.04314.96
5.3.250.3730.04014.82
5.3.240.3530.03714.81
5.3.230.3300.03314.74
5.3.220.4630.02714.75
5.3.210.3770.03714.67
5.3.200.4170.04014.61
5.3.190.3270.03714.60
5.3.180.3230.03314.71
5.3.170.3370.03314.71
5.3.160.3430.03714.93
5.3.150.3600.03714.93
5.3.140.3430.04314.71
5.3.130.3530.04014.68
5.3.120.3470.03714.68
5.3.110.3430.04014.61
5.3.100.3030.03714.07
5.3.90.3170.03714.27
5.3.80.3230.03714.13
5.3.70.3170.03714.08
5.3.60.3670.03714.13
5.3.50.3130.04314.16
5.3.40.3430.04014.01
5.3.30.3370.03714.02
5.3.20.3370.03713.75
5.3.10.3230.03713.71
5.3.00.3300.03713.84
5.2.170.2900.03011.20
5.2.160.2970.02711.22
5.2.150.2670.03011.18
5.2.140.2930.03011.35
5.2.130.2670.02711.14
5.2.120.2930.02711.25
5.2.110.2870.03011.13
5.2.100.2770.03011.32
5.2.90.3000.02711.14
5.2.80.2830.02711.14
5.2.70.2670.03011.20
5.2.60.2870.02311.08
5.2.50.2930.03311.22
5.2.40.2870.02011.04
5.2.30.2800.03711.02
5.2.20.2570.03311.24
5.2.10.2430.03311.00
5.2.00.2100.03010.85
5.1.60.1670.0279.97
5.1.50.2400.0339.96
5.1.40.2670.01710.18
5.1.30.2270.02710.49
5.1.20.2730.02010.65
5.1.10.2830.03010.13
5.1.00.2130.02710.20
5.0.50.1100.0208.79
5.0.40.1070.0238.54
5.0.30.1030.0338.54
5.0.20.1130.0178.27
5.0.10.1300.0238.38
5.0.00.1170.0278.34
4.4.90.1300.0178.27
4.4.80.0930.0138.27
4.4.70.1630.0178.27
4.4.60.1300.0178.27
4.4.50.1330.0178.27
4.4.40.1270.0208.27
4.4.30.1630.0208.27
4.4.20.1400.0078.27
4.4.10.1230.0138.27
4.4.00.1470.0278.27
4.3.110.1130.0138.27
4.3.100.1030.0178.27
4.3.90.1070.0138.27
4.3.80.1230.0278.27
4.3.70.1170.0178.27
4.3.60.1270.0138.27
4.3.50.1070.0138.27
4.3.40.1200.0238.27
4.3.30.0630.0208.27
4.3.20.0570.0178.27
4.3.10.0600.0108.27
4.3.00.0630.0138.27

preferences:
38.84 ms | 401 KiB | 5 Q