3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Foo { } function deleteMe(&$obj) { $obj = (unset) $obj; } $foo = new Foo(); var_dump($foo); deleteMe($foo); var_dump($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)
8.3.40.0040.01118.56
8.3.30.0130.00618.98
8.3.20.0050.00220.20
8.3.10.0050.00322.14
8.3.00.0000.00722.40
8.2.170.0040.01122.96
8.2.160.0100.00319.14
8.2.150.0050.00324.18
8.2.140.0040.00424.66
8.2.130.0070.01026.16
8.2.120.0040.00419.42
8.2.110.0050.00519.30
8.2.100.0080.00417.59
8.2.90.0040.00417.91
8.2.80.0050.00318.99
8.2.70.0050.00317.38
8.2.60.0000.00717.80
8.2.50.0040.00418.07
8.2.40.0030.00618.09
8.2.30.0040.00418.00
8.2.20.0070.00017.46
8.2.10.0070.00017.59
8.2.00.0060.00317.48
8.1.270.0050.00322.01
8.1.260.0000.00726.35
8.1.250.0040.00428.09
8.1.240.0090.00022.20
8.1.230.0040.00821.04
8.1.220.0040.00417.74
8.1.210.0030.00618.85
8.1.200.0040.00417.23
8.1.190.0030.00617.38
8.1.180.0080.00020.16
8.1.170.0040.00418.53
8.1.160.0020.00522.12
8.1.150.0040.00418.43
8.1.140.0040.00417.38
8.1.130.0030.00317.75
8.1.120.0070.00017.31
8.1.110.0000.00817.19
8.1.100.0000.00817.14
8.1.90.0080.00017.22
8.1.80.0040.00317.30
8.1.70.0000.00717.34
8.1.60.0090.00017.47
8.1.50.0030.00517.36
8.1.40.0040.00417.27
8.1.30.0040.00417.54
8.1.20.0030.00617.45
8.1.10.0000.00717.38
8.1.00.0030.00617.30
8.0.300.0040.00420.04
8.0.290.0040.00417.18
8.0.280.0070.00018.32
8.0.270.0040.00417.13
8.0.260.0000.00616.71
8.0.250.0030.00316.92
8.0.240.0000.00816.88
8.0.230.0070.00016.84
8.0.220.0030.00316.84
8.0.210.0040.00416.82
8.0.200.0060.00016.94
8.0.190.0000.00716.74
8.0.180.0040.00416.77
8.0.170.0040.00416.75
8.0.160.0000.00716.74
8.0.150.0030.00316.78
8.0.140.0000.00716.70
8.0.130.0070.00313.31
8.0.120.0070.00016.70
8.0.110.0050.00216.79
8.0.100.0070.00016.71
8.0.90.0040.00416.70
8.0.80.0110.00716.71
8.0.70.0040.00416.71
8.0.60.0030.00516.80
8.0.50.0000.00716.68
8.0.30.0140.00516.93
8.0.20.0120.00617.40
8.0.10.0030.00417.05
8.0.00.0200.00216.66
7.4.330.0020.00215.00
7.4.320.0000.00716.63
7.4.300.0030.00316.50
7.4.290.0000.00716.42
7.4.280.0030.00316.48
7.4.270.0030.00516.50
7.4.260.0000.00716.50
7.4.250.0040.00416.38
7.4.240.0060.00216.47
7.4.230.0000.00716.63
7.4.220.0070.01416.52
7.4.210.0070.00916.56
7.4.200.0000.00716.38
7.4.190.0070.00016.55
7.4.160.0030.01316.33
7.4.150.0140.00317.40
7.4.140.0100.00817.86
7.4.130.0100.01316.54
7.4.120.0130.00516.46
7.4.110.0060.01216.29
7.4.100.0070.01016.45
7.4.90.0130.00416.46
7.4.80.0110.00719.39
7.4.70.0100.00716.32
7.4.60.0030.01316.49
7.4.50.0080.00016.46
7.4.40.0090.00622.77
7.4.30.0100.00716.45
7.4.00.0000.01515.24
7.3.330.0030.00313.18
7.3.320.0030.00313.16
7.3.310.0030.00316.31
7.3.300.0030.00316.21
7.3.290.0100.00416.36
7.3.280.0060.00916.32
7.3.270.0060.01117.40
7.3.260.0030.01516.40
7.3.250.0130.00516.30
7.3.240.0000.01616.62
7.3.230.0170.00416.56
7.3.210.0130.00716.31
7.3.200.0130.00319.39
7.3.190.0030.01616.27
7.3.180.0040.01216.57
7.3.170.0090.00616.37
7.3.160.0000.01616.26
7.3.120.0100.00714.88
7.3.10.0070.00716.53
7.3.00.0030.00616.53
7.2.330.0110.00616.66
7.2.320.0070.01116.30
7.2.310.0080.00816.50
7.2.300.0060.01016.71
7.2.290.0130.00316.48
7.2.130.0030.01016.87
7.2.120.0040.00716.62
7.2.110.0070.00716.78
7.2.100.0100.00716.47
7.2.90.0000.01016.71
7.2.80.0030.01316.75
7.2.70.0030.01316.76
7.2.60.0040.00916.63
7.2.50.0040.01216.90
7.2.40.0060.00716.78
7.2.30.0110.00016.62
7.2.20.0060.00616.86
7.2.10.0070.00716.88
7.2.00.0070.00617.96
7.1.250.0090.00615.42
7.1.200.0030.01015.80
7.1.100.0080.00317.99
7.1.70.0120.00417.17
7.1.60.0080.01119.82
7.1.50.0070.01416.86
7.1.00.0000.05722.42
7.0.200.0000.00716.82
7.0.140.0000.07722.11
7.0.60.0030.06319.91
7.0.50.0070.08017.95
7.0.40.0030.04720.40
7.0.30.0330.05020.21
7.0.20.0170.06720.08
7.0.10.0330.07720.10
7.0.00.0130.04720.24
5.6.280.0030.07320.89
5.6.210.0000.06020.73
5.6.200.0130.04318.17
5.6.190.0070.08020.58
5.6.180.3770.04320.64
5.6.170.0270.06020.44
5.6.160.0070.04320.39
5.6.150.0030.04018.21
5.6.140.0000.05718.14
5.6.130.0100.07318.15
5.6.120.0070.08721.02
5.6.110.0030.07320.95
5.6.100.0130.08320.97
5.6.90.0070.07320.98
5.6.80.0130.07720.43
5.6.70.0200.07020.28
5.5.350.0100.07720.47
5.5.340.0070.07717.99
5.5.330.0100.04020.31
5.5.320.0370.06720.36
5.5.310.0300.06720.30
5.5.300.0070.07317.96
5.5.290.0100.08017.98
5.5.280.0070.08720.80
5.5.270.0100.06720.83
5.5.260.0030.04320.84
5.5.250.0170.06320.66
5.5.240.0100.07720.28
5.4.450.0830.06019.71
5.4.440.0930.04019.59
5.4.430.0730.06019.54
5.4.420.0170.05019.55
5.4.410.0030.08019.41
5.4.400.0130.06018.51
5.4.390.1070.05718.71
5.4.380.0270.05018.84
5.4.370.0030.06018.46
5.4.360.0100.07318.71
5.4.350.0130.05718.61
5.4.340.0230.04318.53
5.4.320.0060.03912.50
5.4.310.0060.03812.50
5.4.300.0100.03312.50
5.4.290.0030.04012.50
5.4.280.0040.03812.40
5.4.270.0060.04612.40
5.4.260.0070.06318.72
5.4.250.0270.04318.94
5.4.240.0230.04318.77
5.4.230.0070.05318.87
5.4.220.0070.05718.97
5.4.210.0030.06018.87
5.4.200.0000.06318.97
5.4.190.0130.06018.91
5.4.180.0070.07318.80
5.4.170.0030.05718.86
5.4.160.0030.08018.95
5.4.150.0100.07019.05
5.4.140.0070.05016.45
5.4.130.0200.05316.63
5.4.120.0030.06316.62
5.4.110.0070.07016.50
5.4.100.0030.05016.54
5.4.90.0100.04716.54
5.4.80.0070.05016.51
5.4.70.0100.04716.63
5.4.60.0100.04716.50
5.4.50.0100.04316.49
5.4.40.0070.07316.53
5.4.30.0100.04716.30
5.4.20.0100.05316.56
5.4.10.0130.05316.59
5.4.00.0100.05015.99
5.3.290.0080.04312.80
5.3.280.0070.05014.67
5.3.270.0170.04314.59
5.3.260.0070.06714.43
5.3.250.0130.05314.70
5.3.240.0030.06314.60
5.3.230.0100.05714.77
5.3.220.0100.04714.64
5.3.210.0170.06014.58
5.3.200.0070.05314.74
5.3.190.0070.05314.47
5.3.180.0070.05314.78
5.3.170.0030.05314.47
5.3.160.0070.05014.72
5.3.150.0100.04714.64
5.3.140.0030.07314.63
5.3.130.0100.05014.37
5.3.120.0070.05314.62
5.3.110.0100.05014.53
5.3.100.0000.05714.01
5.3.90.0100.04713.84
5.3.80.0170.04314.10
5.3.70.0100.07014.10
5.3.60.0070.05014.09
5.3.50.0070.05014.04
5.3.40.0100.05014.02
5.3.30.0100.04713.98
5.3.20.0030.05013.74
5.3.10.0100.05013.73
5.3.00.0130.05013.71
5.2.170.0030.04311.22
5.2.160.0170.03311.22
5.2.150.0030.05011.10
5.2.140.0070.04311.36
5.2.130.0100.04310.93
5.2.120.0170.03311.05
5.2.110.0070.03711.25
5.2.100.0070.04311.17
5.2.90.0000.05011.16
5.2.80.0070.04011.08
5.2.70.0000.06711.16
5.2.60.0130.05011.01
5.2.50.0200.04311.09
5.2.40.0030.04011.08
5.2.30.0100.03310.93
5.2.20.0030.04710.86
5.2.10.0030.04310.94
5.2.00.0030.04010.79
5.1.60.0000.04010.09
5.1.50.0030.03710.05
5.1.40.0030.04310.02
5.1.30.0070.03710.50
5.1.20.0070.05310.51
5.1.10.0030.0409.91
5.1.00.0100.02710.16
5.0.50.0100.0338.60
5.0.40.0070.0278.64
5.0.30.0030.0438.32
5.0.20.0030.0308.25
5.0.10.0000.0308.36
5.0.00.0030.0408.24
4.4.90.0000.0238.20
4.4.80.0030.0278.20
4.4.70.0070.0178.20
4.4.60.0030.0208.20
4.4.50.0000.0238.20
4.4.40.0130.0238.20
4.4.30.0000.0238.20
4.4.20.0000.0238.20
4.4.10.0000.0238.20
4.4.00.0070.0308.20
4.3.110.0000.0238.20
4.3.100.0030.0238.20
4.3.90.0030.0208.20
4.3.80.0000.0378.20
4.3.70.0000.0308.20
4.3.60.0030.0208.20
4.3.50.0070.0208.20
4.3.40.0000.0338.20
4.3.30.0000.0238.20
4.3.20.0030.0208.20
4.3.10.0000.0238.20
4.3.00.0100.0237.07

preferences:
48.6 ms | 400 KiB | 5 Q