3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = array(1,2,3); foreach($a as &$b); foreach($a as $b); var_dump($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)
8.3.40.0060.00918.59
8.3.30.0000.01518.98
8.3.20.0040.00420.24
8.3.10.0040.00421.81
8.3.00.0040.00419.02
8.2.170.0000.01518.66
8.2.160.0190.00022.96
8.2.150.0090.00024.18
8.2.140.0060.00324.66
8.2.130.0000.00726.16
8.2.120.0070.00019.79
8.2.110.0000.01020.23
8.2.100.0000.01118.09
8.2.90.0070.00019.13
8.2.80.0050.00317.97
8.2.70.0080.00017.63
8.2.60.0070.00417.80
8.2.50.0030.00918.07
8.2.40.0060.00318.22
8.2.30.0020.00519.52
8.2.20.0070.00017.59
8.2.10.0080.00018.21
8.2.00.0040.00417.66
8.1.270.0000.00918.91
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0050.00523.86
8.1.230.0030.00719.16
8.1.220.0050.00317.74
8.1.210.0060.00318.77
8.1.200.0030.00917.23
8.1.190.0090.00017.35
8.1.180.0000.00818.10
8.1.170.0030.00618.51
8.1.160.0000.00721.99
8.1.150.0000.00718.75
8.1.140.0040.00417.44
8.1.130.0000.00717.73
8.1.120.0000.00817.43
8.1.110.0040.00417.40
8.1.100.0030.00317.35
8.1.90.0000.00717.46
8.1.80.0050.00217.43
8.1.70.0030.00317.47
8.1.60.0040.00417.46
8.1.50.0070.00017.57
8.1.40.0030.00917.55
8.1.30.0050.00317.60
8.1.20.0000.00717.64
8.1.10.0040.00417.30
8.1.00.0000.00717.31
8.0.300.0060.00318.77
8.0.290.0050.00216.75
8.0.280.0070.00018.31
8.0.270.0030.00317.11
8.0.260.0030.00317.25
8.0.250.0040.00416.82
8.0.240.0030.00316.96
8.0.230.0040.00416.94
8.0.220.0070.00016.85
8.0.210.0070.00016.82
8.0.200.0000.00716.82
8.0.190.0000.00716.93
8.0.180.0000.00716.81
8.0.170.0050.00316.89
8.0.160.0030.00316.93
8.0.150.0040.00416.70
8.0.140.0000.00816.75
8.0.130.0000.00513.34
8.0.120.0040.00416.86
8.0.110.0040.00416.76
8.0.100.0070.00016.68
8.0.90.0030.00416.92
8.0.80.0070.01316.89
8.0.70.0000.00816.77
8.0.60.0000.00716.76
8.0.50.0070.00016.92
8.0.30.0100.01017.09
8.0.20.0110.00817.40
8.0.10.0000.00716.98
8.0.00.0120.00916.70
7.4.330.0050.00015.21
7.4.320.0070.00016.48
7.4.300.0000.00616.36
7.4.290.0040.00416.49
7.4.280.0000.00716.59
7.4.270.0040.00416.62
7.4.260.0030.00516.38
7.4.250.0040.00416.37
7.4.240.0020.00516.52
7.4.230.0000.00716.56
7.4.220.0100.01116.54
7.4.210.0090.00916.49
7.4.200.0000.00816.52
7.4.160.0030.01316.30
7.4.150.0110.00817.40
7.4.140.0100.00817.86
7.4.130.0090.00816.49
7.4.120.0090.00816.36
7.4.110.0140.00716.42
7.4.100.0140.00416.57
7.4.90.0120.00616.49
7.4.80.0140.00519.39
7.4.70.0070.01016.52
7.4.60.0030.01316.62
7.4.50.0060.00016.46
7.4.40.0090.01216.55
7.4.30.0070.01016.37
7.4.00.0070.00714.97
7.3.330.0020.00213.19
7.3.320.0000.00513.17
7.3.310.0030.00516.33
7.3.300.0050.00216.30
7.3.290.0090.00716.28
7.3.280.0070.01016.24
7.3.270.0070.01417.40
7.3.260.0150.00716.27
7.3.250.0170.00716.33
7.3.240.0130.00416.50
7.3.230.0130.01016.39
7.3.210.0030.01216.30
7.3.200.0120.01219.39
7.3.190.0090.00616.52
7.3.180.0000.01516.31
7.3.170.0070.01016.27
7.3.160.0040.01216.16
7.2.330.0030.01316.60
7.2.320.0000.01716.70
7.2.310.0100.00616.71
7.2.300.0100.01316.67
7.2.290.0160.00616.70
7.2.00.0030.01019.49
7.1.100.0040.00818.30
7.1.70.0000.00716.81
7.1.60.0110.01519.46
7.1.50.0230.01334.64
7.1.00.0030.07722.48
7.0.200.0060.00614.87
7.0.140.0100.06022.04
7.0.120.0070.06722.00
7.0.110.0070.07322.08
7.0.100.0070.07721.98
7.0.90.0030.08722.14
7.0.80.0030.06322.14
7.0.70.0030.04722.20
7.0.60.0070.03321.95
7.0.50.0000.07722.02
7.0.40.0070.07019.98
7.0.30.0030.08020.06
7.0.20.0100.08320.11
7.0.10.0070.06320.01
7.0.00.0030.07319.99
5.6.280.0100.06721.10
5.6.270.0100.07021.07
5.6.260.0130.07320.80
5.6.250.0030.08321.02
5.6.240.0030.04320.98
5.6.230.0000.04021.06
5.6.220.0070.05720.65
5.6.210.0030.08020.88
5.6.200.0000.04720.98
5.6.190.0130.07720.88
5.6.180.0100.07020.89
5.6.170.0100.04720.88
5.6.160.0070.07320.87
5.6.150.0070.08320.95
5.6.140.0030.05720.88
5.6.130.0000.08020.78
5.6.120.0070.06020.95
5.6.110.0070.04720.93
5.6.100.0030.05020.76
5.6.90.0030.04020.75
5.6.80.0070.06720.36
5.6.70.0030.07720.14
5.6.60.0070.08020.37
5.6.50.0030.07320.25
5.6.40.0070.07720.22
5.6.30.0070.07720.31
5.6.20.0000.08020.13
5.6.10.0030.07020.14
5.6.00.0070.05320.37
5.5.380.0000.04017.50
5.5.370.0070.04717.51
5.5.360.0030.04017.62
5.5.350.0000.03717.62
5.5.340.0000.07718.16
5.5.330.0000.07317.85
5.5.320.0000.06717.77
5.5.310.0030.08018.09
5.5.300.0070.06018.25
5.5.290.0030.07317.84
5.5.280.0030.08018.12
5.5.270.0070.04717.85
5.5.260.0030.06717.86
5.5.250.0000.05717.79
5.5.240.0030.07317.39
5.5.230.0030.06017.54
5.5.220.0000.07017.40
5.5.210.0000.08317.48
5.5.200.0070.06717.38
5.5.190.0030.07717.46
5.5.180.0000.07717.24
5.5.160.0000.07317.19
5.5.150.0030.07317.50
5.5.140.0000.08017.48
5.5.130.0000.04317.11
5.5.120.0030.07317.21
5.5.110.0000.03717.35
5.5.100.0030.05317.38
5.5.90.0000.07717.41
5.5.80.0000.04317.34
5.5.70.0030.07017.10
5.5.60.0030.07717.49
5.5.50.0000.08017.40
5.5.40.0030.06317.36
5.5.30.0070.06017.10
5.5.20.0030.04317.09
5.5.10.0030.07317.40
5.5.00.0030.08017.13
5.4.450.0070.06319.22
5.4.440.0070.08019.21
5.4.430.0070.07019.38
5.4.420.0000.07719.43
5.4.410.0070.07719.26
5.4.400.0030.04319.22
5.4.390.0070.07318.95
5.4.380.0000.07319.07
5.4.370.0070.07018.93
5.4.360.0030.06718.95
5.4.350.0070.06718.93
5.4.340.0030.07719.13
5.4.320.0000.05719.06
5.4.310.0070.06018.88
5.4.300.0100.07018.93
5.4.290.0030.03318.93
5.4.280.0000.04019.12
5.4.270.0030.04018.92
5.4.260.0000.06018.89
5.4.250.0030.03319.06
5.4.240.0030.07318.96
5.4.230.0030.07018.89
5.4.220.0000.07318.96
5.4.210.0070.05318.89
5.4.200.0000.06719.13
5.4.190.0000.03719.11
5.4.180.0000.08018.92
5.4.170.0030.06318.93
5.4.160.0000.06018.87
5.4.150.0070.05318.88
5.4.140.0070.05716.20
5.4.130.0030.04716.38
5.4.120.0030.03016.21
5.4.110.0000.06716.37
5.4.100.0000.07016.20
5.4.90.0030.06316.37
5.4.80.0030.03716.21
5.4.70.0070.06316.30
5.4.60.0000.06016.46
5.4.50.0030.03016.20
5.4.40.0030.04016.35
5.4.30.0000.03716.41
5.4.20.0000.03716.39
5.4.10.0000.03716.43
5.4.00.0030.05015.84
5.3.290.0030.07014.74
5.3.280.0070.06014.46
5.3.270.0000.06714.54
5.3.260.0000.07714.46
5.3.250.0000.06014.53
5.3.240.0000.03714.54
5.3.230.0000.07314.49
5.3.220.0000.05714.55
5.3.210.0030.03314.42
5.3.200.0030.06714.46
5.3.190.0000.03314.58
5.3.180.0000.07714.45
5.3.170.0070.07314.39
5.3.160.0000.04014.50
5.3.150.0000.03714.57
5.3.140.0000.03714.41
5.3.130.0030.05714.42
5.3.120.0030.04314.42
5.3.110.0070.06014.43
5.3.100.0030.03013.87
5.3.90.0030.03014.08
5.3.80.0070.06314.11
5.3.70.0000.03313.86
5.3.60.0000.06313.92
5.3.50.0070.06013.88
5.3.40.0030.06013.97
5.3.30.0000.05713.84
5.3.20.0030.03013.63
5.3.10.0000.04013.54
5.3.00.0000.06013.53
5.2.170.0000.04011.11
5.2.160.0000.04011.07
5.2.150.0030.05711.05
5.2.140.0030.04011.14
5.2.130.0000.04311.17
5.2.120.0000.05711.03
5.2.110.0070.03011.16
5.2.100.0000.05711.11
5.2.90.0000.06011.02
5.2.80.0000.04311.11
5.2.70.0030.02311.16
5.2.60.0000.06310.98
5.2.50.0000.05711.17
5.2.40.0000.06010.86
5.2.30.0000.06311.03
5.2.20.0030.05710.91
5.2.10.0000.04010.87
5.2.00.0000.06310.66
5.1.60.0000.0579.93
5.1.50.0000.0239.91
5.1.40.0030.0409.95
5.1.30.0070.02010.41
5.1.20.0030.05010.57
5.1.10.0030.05010.00
5.1.00.0030.05310.22
5.0.50.0000.0509.68
5.0.40.0000.0439.68
5.0.30.0000.0679.68
5.0.20.0000.0479.68
5.0.10.0000.0209.68
5.0.00.0030.0539.68
4.4.90.0000.0309.68
4.4.80.0000.0209.68
4.4.70.0030.0279.68
4.4.60.0000.0309.68
4.4.50.0000.0279.68
4.4.40.0030.0409.68
4.4.30.0000.0209.68
4.4.20.0030.0279.68
4.4.10.0030.0309.68
4.4.00.0000.0609.68
4.3.110.0030.0309.68
4.3.100.0030.0279.68
4.3.90.0030.0309.68
4.3.80.0030.0439.68
4.3.70.0000.0139.68
4.3.60.0000.0279.68
4.3.50.0000.0309.68
4.3.40.0030.0179.68
4.3.30.0030.0339.68
4.3.20.0000.0279.68
4.3.10.0030.0279.68
4.3.00.0000.0279.68

preferences:
45.12 ms | 400 KiB | 5 Q