3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Foo { public $bar; public function __get($name) { return 123; } } $foo = new Foo(); unset($foo->bar); var_dump($foo->bar); // int(123) $foo = new Foo(); var_dump($foo->bar);

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)
8.4.120.0120.00723.94
8.4.110.0110.00918.75
8.4.100.0110.00918.71
8.4.90.0160.00417.65
8.4.80.0030.00517.62
8.4.70.0100.01017.86
8.4.60.0100.00619.36
8.4.50.0080.00820.49
8.4.40.0110.00720.44
8.4.30.0040.01517.51
8.4.20.0130.00717.76
8.4.10.0060.00317.47
8.3.250.0110.00718.80
8.3.240.0050.01116.82
8.3.230.0140.00616.43
8.3.220.0090.00917.21
8.3.210.0080.00616.49
8.3.200.0090.01016.50
8.3.190.0100.00916.79
8.3.180.0070.00918.91
8.3.170.0120.00616.55
8.3.160.0060.00918.91
8.3.150.0090.00919.21
8.3.140.0090.00018.93
8.3.130.0030.00518.36
8.3.120.0060.00320.71
8.3.110.0030.00616.79
8.3.100.0040.00416.21
8.3.90.0110.00426.77
8.3.80.0090.00016.73
8.3.70.0090.00916.58
8.3.60.0110.00416.50
8.3.50.0080.01421.93
8.3.40.0150.00418.41
8.3.30.0070.00718.54
8.3.20.0080.00020.31
8.3.10.0000.00821.76
8.3.00.0040.00420.82
8.2.290.0090.00920.48
8.2.280.0110.00816.66
8.2.270.0150.00322.24
8.2.260.0100.00716.38
8.2.250.0080.00816.57
8.2.240.0050.00317.37
8.2.230.0070.01022.58
8.2.220.0090.00024.06
8.2.210.0040.01126.77
8.2.200.0030.00716.63
8.2.190.0110.00716.58
8.2.180.0170.00325.92
8.2.170.0070.00718.83
8.2.160.0120.00422.96
8.2.150.0060.00325.66
8.2.140.0050.00324.66
8.2.130.0000.00822.21
8.2.120.0030.00526.35
8.2.110.0040.00419.27
8.2.100.0060.00617.59
8.2.90.0080.00019.05
8.2.80.0000.00817.97
8.2.70.0030.00717.50
8.2.60.0050.00217.80
8.2.50.0040.00418.10
8.2.40.0060.00320.59
8.2.30.0000.00720.69
8.2.20.0030.00517.63
8.2.10.0040.00417.89
8.2.00.0000.00717.87
8.1.330.0120.00721.75
8.1.320.0130.00615.87
8.1.310.0120.00616.80
8.1.300.0100.01017.80
8.1.290.0100.00030.84
8.1.280.0090.00925.92
8.1.270.0040.00423.96
8.1.260.0040.00428.09
8.1.250.0040.00428.09
8.1.240.0060.00621.99
8.1.230.0080.00321.02
8.1.220.0000.00817.74
8.1.210.0060.00318.77
8.1.200.0040.00417.35
8.1.190.0050.00317.22
8.1.180.0040.00418.10
8.1.170.0050.00318.57
8.1.160.0000.00720.85
8.1.150.0000.00718.88
8.1.140.0070.00019.56
8.1.130.0000.00717.66
8.1.120.0050.00317.43
8.1.110.0040.00417.41
8.1.100.0080.00017.34
8.1.90.0030.00517.42
8.1.80.0050.00317.39
8.1.70.0050.00317.29
8.1.60.0000.00817.46
8.1.50.0030.00517.51
8.1.40.0040.00417.41
8.1.30.0030.00517.65
8.1.20.0080.00017.52
8.1.10.0030.00617.48
8.1.00.0040.00417.40
8.0.300.0040.00418.77
8.0.290.0080.00016.58
8.0.280.0000.00718.26
8.0.270.0000.00717.09
8.0.260.0030.00317.16
8.0.250.0070.00016.81
8.0.240.0040.00416.88
8.0.230.0000.00716.86
8.0.220.0000.00716.80
8.0.210.0070.00016.87
8.0.200.0030.00316.88
8.0.190.0040.00416.88
8.0.180.0030.00716.85
8.0.170.0030.00516.76
8.0.160.0030.00316.79
8.0.150.0060.00316.82
8.0.140.0030.00516.81
8.0.130.0030.00313.29
8.0.120.0040.00416.86
8.0.110.0000.00816.65
8.0.100.0070.00016.85
8.0.90.0000.00716.70
8.0.80.0070.01016.83
8.0.70.0000.00716.65
8.0.60.0040.00416.71
8.0.50.0070.00016.61
8.0.30.0050.01517.14
8.0.20.0070.01317.40
8.0.10.0050.00316.82
8.0.00.0130.00916.63
7.4.330.0030.00315.08
7.4.320.0000.00716.49
7.4.300.0030.00316.42
7.4.290.0000.00616.61
7.4.280.0000.00716.50
7.4.270.0030.00316.48
7.4.260.0000.00716.61
7.4.250.0080.00016.57
7.4.240.0000.00716.63
7.4.230.0030.00316.51
7.4.220.0060.00916.68
7.4.210.0040.01616.48
7.4.200.0060.00316.59
7.4.160.0100.00616.48
7.4.150.0210.00317.40
7.4.140.0070.01217.86
7.4.130.0140.00516.35
7.4.120.0110.00816.49
7.4.110.0060.00916.38
7.4.100.0140.00516.46
7.4.90.0090.00916.37
7.4.80.0070.01019.39
7.4.70.0030.01316.50
7.4.60.0000.01616.34
7.4.50.0040.01116.28
7.4.40.0090.00616.36
7.4.30.0110.00616.60
7.4.00.0030.01315.06
7.3.330.0020.00213.25
7.3.320.0050.00013.06
7.3.310.0080.00016.41
7.3.300.0060.00016.25
7.3.290.0080.00916.25
7.3.280.0130.00716.26
7.3.270.0190.00017.40
7.3.260.0080.00816.38
7.3.250.0120.00716.29
7.3.240.0120.00516.45
7.3.230.0120.00616.39
7.3.210.0060.00916.20
7.3.200.0100.00616.57
7.3.190.0100.00716.37
7.3.180.0160.00016.20
7.3.170.0140.01016.37
7.3.160.0100.00616.29
7.2.330.0090.00916.60
7.2.320.0130.00616.48
7.2.310.0100.00716.72
7.2.300.0100.00616.40
7.2.290.0130.00316.45
7.2.60.0130.00316.54
7.2.00.0050.01018.74
7.1.200.0090.00315.89
7.1.100.0000.01717.82
7.1.70.0000.00816.77
7.1.60.0120.01220.41
7.1.00.0030.07322.54
7.0.200.0000.01116.47
7.0.60.0030.05721.72
7.0.50.0070.08017.97
7.0.40.0330.06020.38
7.0.30.0430.05020.23
7.0.20.0270.06720.22
7.0.10.0330.07020.06
7.0.00.0630.06320.36
5.6.280.0100.06721.12
5.6.210.0100.04320.71
5.6.200.0030.06318.29
5.6.190.0270.05720.46
5.6.180.0230.05720.56
5.6.170.0570.05720.57
5.6.160.0530.05720.69
5.6.150.0400.05320.31
5.6.140.0270.05720.43
5.6.130.0230.06320.41
5.6.120.0100.08720.30
5.6.110.0130.06020.30
5.6.100.0230.06020.40
5.6.90.0270.05320.28
5.6.80.0170.05719.70
5.6.70.0130.06019.75
5.6.60.0170.07719.58
5.6.50.0170.05319.80
5.6.40.0270.05319.77
5.6.30.0170.06019.77
5.6.20.0270.04319.75
5.6.10.0130.07319.70
5.6.00.0070.07019.79
5.5.350.0300.06720.44
5.5.340.0030.08318.09
5.5.330.0370.05020.24
5.5.320.0270.05020.42
5.5.310.0300.05720.32
5.5.300.0200.07020.11
5.5.290.0230.06320.14
5.5.280.0300.05720.12
5.5.270.0230.04720.16
5.5.260.0500.05720.09
5.5.250.0170.06720.02
5.5.240.0200.05319.50
5.5.230.0270.05019.48
5.5.220.0270.05019.59
5.5.210.0170.05719.75
5.5.200.0070.06719.71
5.5.190.0200.06019.60
5.5.180.0270.06019.46
5.5.160.0130.05319.52
5.5.150.0170.05319.36
5.5.140.0230.05319.52
5.5.130.0130.06019.57
5.5.120.0170.06319.35
5.5.110.0070.06719.54
5.5.100.0230.06019.48
5.5.90.0170.05719.32
5.5.80.0270.05019.49
5.5.70.0130.06019.45
5.5.60.0170.05319.43
5.5.50.0270.05319.47
5.5.40.0200.05319.35
5.5.30.0200.06019.32
5.5.20.0200.05019.38
5.5.10.0270.06019.51
5.5.00.0170.05719.43

preferences:
132.58 ms | 403 KiB | 5 Q