3v4l.org

run code in 300+ PHP versions simultaneously
<?php $arr = [0,1,2]; foreach ($arr as &$arr) { echo $arr; }

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)
8.3.40.0170.00318.71
8.3.30.0030.01020.04
8.3.20.0040.00420.22
8.3.10.0050.00321.89
8.3.00.0040.00422.40
8.2.170.0030.01422.96
8.2.160.0100.00322.27
8.2.150.0050.00324.18
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0040.00420.82
8.2.110.0050.00522.04
8.2.100.0120.00017.78
8.2.90.0030.00619.09
8.2.80.0070.00019.41
8.2.70.0030.00517.63
8.2.60.0040.00417.93
8.2.50.0040.00418.07
8.2.40.0040.00419.97
8.2.30.0000.00819.30
8.2.20.0000.00717.71
8.2.10.0050.00217.73
8.2.00.0000.00817.75
8.1.270.0000.00823.99
8.1.260.0040.00426.35
8.1.250.0030.00528.09
8.1.240.0030.00623.67
8.1.230.0070.00419.09
8.1.220.0060.00317.74
8.1.210.0050.00318.77
8.1.200.0030.00617.35
8.1.190.0000.00817.30
8.1.180.0030.00518.10
8.1.170.0040.00418.64
8.1.160.0000.00818.93
8.1.150.0030.00618.54
8.1.140.0040.00417.39
8.1.130.0030.00317.75
8.1.120.0000.00717.46
8.1.110.0020.00517.40
8.1.100.0000.00817.36
8.1.90.0000.00717.31
8.1.80.0050.00217.34
8.1.70.0050.00317.43
8.1.60.0060.00317.55
8.1.50.0000.00717.51
8.1.40.0000.00717.50
8.1.30.0000.00717.47
8.1.20.0000.00717.59
8.1.10.0030.00517.54
8.1.00.0040.00417.45
8.0.300.0040.00418.77
8.0.290.0030.00317.15
8.0.280.0040.00418.45
8.0.270.0000.00717.29
8.0.260.0000.00816.85
8.0.250.0030.00316.95
8.0.240.0040.00416.84
8.0.230.0080.00017.00
8.0.220.0030.00516.86
8.0.210.0070.00016.84
8.0.200.0040.00416.95
8.0.190.0070.00016.82
8.0.180.0000.00716.82
8.0.170.0080.00016.79
8.0.160.0030.00316.88
8.0.150.0070.00016.87
8.0.140.0000.00716.75
8.0.130.0030.00313.31
8.0.120.0080.00016.81
8.0.110.0020.00516.89
8.0.100.0040.00416.87
8.0.90.0070.00016.71
8.0.80.0030.01216.85
8.0.70.0040.00416.83
8.0.60.0000.00716.84
8.0.50.0020.00516.73
8.0.30.0100.00817.11
8.0.20.0090.00917.40
8.0.10.0040.00417.00
8.0.00.0140.00716.69
7.4.330.0000.00615.00
7.4.320.0000.00716.63
7.4.300.0030.00316.49
7.4.290.0000.00716.49
7.4.280.0030.00316.61
7.4.270.0030.00716.42
7.4.260.0000.00613.26
7.4.250.0000.00816.54
7.4.240.0040.00416.56
7.4.230.0030.00316.59
7.4.220.0000.01716.54
7.4.210.0090.00716.54
7.4.200.0070.00016.30
7.4.190.0030.00316.75
7.4.160.0120.01216.64
7.4.150.0080.00817.40
7.4.140.0090.00917.86
7.4.130.0080.01116.57
7.4.120.0070.01116.43
7.4.110.0140.00416.36
7.4.100.0120.00916.48
7.4.90.0130.00316.62
7.4.80.0090.01019.39
7.4.70.0130.00716.52
7.4.60.0040.01216.35
7.4.50.0000.00416.23
7.4.40.0090.00222.77
7.4.30.0140.00316.38
7.4.00.0030.01014.99
7.3.330.0000.00513.09
7.3.320.0000.00613.18
7.3.310.0030.00316.08
7.3.300.0030.00316.09
7.3.290.0080.00616.20
7.3.280.0080.00716.28
7.3.270.0070.01117.40
7.3.260.0100.01316.71
7.3.250.0110.00816.28
7.3.240.0160.00616.39
7.3.230.0110.00616.63
7.3.210.0170.00016.56
7.3.200.0150.00319.39
7.3.190.0100.00716.70
7.3.180.0090.00616.29
7.3.170.0120.00316.48
7.3.160.0110.01116.53
7.3.120.0070.00714.97
7.3.110.0060.01215.03
7.3.100.0040.01215.02
7.3.90.0030.01214.64
7.3.80.0060.01014.68
7.3.70.0040.01214.76
7.3.60.0060.00814.86
7.3.50.0100.00314.70
7.3.40.0070.00714.81
7.3.30.0030.01014.61
7.3.20.0000.01616.72
7.3.10.0090.00616.63
7.3.00.0040.01116.58
7.2.330.0060.01216.69
7.2.320.0130.01016.61
7.2.310.0060.01916.52
7.2.300.0090.00916.32
7.2.290.0150.00316.49
7.2.240.0050.00514.66
7.2.230.0040.01215.05
7.2.220.0030.01314.95
7.2.210.0000.01214.83
7.2.200.0150.00014.98
7.2.190.0070.00714.79
7.2.180.0060.00914.94
7.2.170.0130.00314.83
7.2.160.0040.01414.96
7.2.150.0040.00817.09
7.2.140.0000.01316.91
7.2.130.0030.01316.65
7.2.120.0030.01316.61
7.2.110.0100.00716.59
7.2.100.0040.00816.70
7.2.90.0120.00316.89
7.2.80.0050.01116.61
7.2.70.0070.00716.74
7.2.60.0050.00816.71
7.2.50.0040.00816.99
7.2.40.0100.00317.08
7.2.30.0090.00617.06
7.2.20.0090.00316.86
7.2.10.0060.00616.61
7.2.00.0070.00716.71
7.1.330.0040.01115.82
7.1.320.0060.00315.76
7.1.310.0060.00915.75
7.1.300.0040.01415.41
7.1.290.0060.01015.82
7.1.280.0150.00315.76
7.1.270.0030.01515.70
7.1.260.0120.00315.74
7.1.250.0100.00615.93
7.1.200.0060.00615.71
7.1.70.0000.00817.30
7.1.60.0170.00719.32
7.1.50.0040.01216.64
7.1.00.0100.06722.43
7.0.200.0000.00716.49
7.0.140.0070.07322.21
7.0.100.0030.04020.02
7.0.90.0030.04719.89
7.0.80.0070.04019.91
7.0.70.0170.06319.92
7.0.60.0030.09019.87
7.0.50.0330.08720.32
7.0.40.0170.07720.14
7.0.30.0070.08720.10
7.0.20.0030.08720.18
7.0.10.0070.06720.09
7.0.00.0130.08020.06
5.6.280.0070.07020.77
5.6.250.0030.04020.62
5.6.240.0100.03320.60
5.6.230.0030.04020.71
5.6.220.0030.04020.57
5.6.210.0070.07020.58
5.6.200.0070.04020.95
5.6.190.0100.06721.02
5.6.180.0070.04720.94
5.6.170.0170.07021.07
5.6.160.0100.07721.08
5.6.150.0070.08721.06
5.6.140.0100.03721.04
5.6.130.0030.05321.11
5.6.120.0070.08021.17
5.6.110.0070.07021.03
5.6.100.0030.08720.92
5.6.90.0130.07721.01
5.6.80.0070.08320.41
5.6.70.0130.04320.50
5.6.60.0070.07320.54
5.6.50.0100.07320.48
5.6.40.0070.07720.29
5.6.30.0070.06020.31
5.6.20.0170.05020.32
5.6.10.0030.05020.31
5.6.00.0100.04020.31
5.5.380.0070.04020.36
5.5.370.0070.06320.45
5.5.360.0070.04020.41
5.5.350.0100.04020.45
5.5.340.0070.08020.83
5.5.330.0070.08020.83
5.5.320.0100.08020.87
5.5.310.0100.07020.85
5.5.300.0270.04320.88
5.5.290.0100.06720.82
5.5.280.0070.08320.82
5.5.270.0200.06720.75
5.5.260.0170.07320.89
5.5.250.0000.05720.45
5.5.240.0100.07020.11
5.5.230.0030.06720.13
5.5.220.0070.08020.28
5.5.210.0100.05320.26
5.5.200.0130.07320.18
5.5.190.0070.07720.18
5.5.180.0070.04020.25
5.5.160.0100.06320.18
5.5.150.0000.05320.22
5.5.140.0070.04320.23
5.5.130.0000.05020.12
5.5.120.0030.06020.07
5.5.110.0130.07020.16
5.5.100.0230.03020.16
5.5.90.0030.07720.12
5.5.80.0100.04319.97
5.5.70.0100.07019.96
5.5.60.0170.05320.08
5.5.50.0130.06720.13
5.5.40.0100.07320.11
5.5.30.0030.08720.05
5.5.20.0030.08019.99
5.5.10.0100.07020.04
5.5.00.0030.08020.03
5.4.450.0130.07019.45
5.4.440.0100.07719.38
5.4.430.0130.07019.13
5.4.420.0130.07319.28
5.4.410.0100.07719.32
5.4.400.0070.07718.96
5.4.390.0070.07318.79
5.4.380.0070.04318.90
5.4.370.0100.07019.25
5.4.360.0000.08319.10
5.4.350.0030.05319.04
5.4.340.0000.07318.95
5.4.320.0030.07718.81
5.4.310.0130.07019.03
5.4.300.0100.05719.04
5.4.290.0070.07318.78
5.4.280.0100.06319.02
5.4.270.0030.08019.07
5.4.260.0030.04319.09
5.4.250.0070.05319.09
5.4.240.0100.07019.12
5.4.230.0100.06319.02
5.4.220.0070.05319.24
5.4.210.0030.05319.11
5.4.200.0030.08019.02
5.4.190.0130.07019.11
5.4.180.0100.08019.11
5.4.170.0070.07719.05
5.4.160.0100.07019.10
5.4.150.0130.07019.02
5.4.140.0030.03716.27
5.4.130.0070.07316.33
5.4.120.0030.07716.06
5.4.110.0070.07316.32
5.4.100.0130.06316.21
5.4.90.0130.05716.30
5.4.80.0070.05016.29
5.4.70.0200.05716.19
5.4.60.0070.05716.21
5.4.50.0070.07016.35
5.4.40.0070.04316.36
5.4.30.0030.07716.41
5.4.20.0030.07316.38
5.4.10.0070.07016.39
5.4.00.0100.07315.80
5.3.290.0130.07314.68
5.3.280.0130.07314.55
5.3.270.0100.07314.59
5.3.260.0030.07714.57
5.3.250.0070.07014.46
5.3.240.0030.07314.43
5.3.230.0030.04314.59
5.3.220.0070.07714.56
5.3.210.0030.04014.39
5.3.200.0130.06714.55
5.3.190.0100.07014.56
5.3.180.0030.07314.55
5.3.170.0030.06314.54
5.3.160.0100.07714.52
5.3.150.0030.08014.43
5.3.140.0030.08014.54
5.3.130.0030.08014.53
5.3.120.0070.07314.50
5.3.110.0000.05014.41
5.3.100.0070.07014.03
5.3.90.0130.06713.97
5.3.80.0070.03714.02
5.3.70.0000.08014.00
5.3.60.0070.07713.91
5.3.50.0000.08013.93
5.3.40.0000.08013.90
5.3.30.0100.07313.89
5.3.20.0070.06713.45
5.3.10.0070.07013.51
5.3.00.0070.04313.59
5.2.170.0100.06311.18
5.2.160.0100.04011.21
5.2.150.0170.03010.99
5.2.140.0030.06011.08
5.2.130.0100.05311.12
5.2.120.0100.05011.08
5.2.110.0070.05011.06
5.2.100.0070.04710.94
5.2.90.0030.06010.92
5.2.80.0070.03311.01
5.2.70.0000.06311.04
5.2.60.0100.06011.06
5.2.50.0070.04311.01
5.2.40.0130.04710.98
5.2.30.0070.06010.85
5.2.20.0000.07010.82
5.2.10.0070.05310.71
5.2.00.0070.05710.78
5.1.60.0100.0339.98
5.1.50.0100.0539.99
5.1.40.0030.0539.96
5.1.30.0000.05010.39
5.1.20.0000.06010.27
5.1.10.0070.05310.10
5.1.00.0070.0539.91
5.0.50.0030.0339.15
5.0.40.0070.0409.15
5.0.30.0100.0609.15
5.0.20.0070.0239.15
5.0.10.0070.0409.15
5.0.00.0030.0509.15
4.4.90.0000.0309.15
4.4.80.0000.0379.15
4.4.70.0070.0239.15
4.4.60.0100.0279.15
4.4.50.0030.0379.15
4.4.40.0070.0539.15
4.4.30.0000.0379.15
4.4.20.0030.0339.15
4.4.10.0000.0379.15
4.4.00.0030.0479.15
4.3.110.0030.0339.15
4.3.100.0070.0239.15
4.3.90.0070.0239.15
4.3.80.0000.0579.15
4.3.70.0030.0339.15
4.3.60.0030.0279.15
4.3.50.0030.0339.15
4.3.40.0000.0579.15
4.3.30.0070.0309.15
4.3.20.0000.0409.15
4.3.10.0000.0309.15
4.3.00.0000.0279.15

preferences:
53.4 ms | 400 KiB | 5 Q