3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Baz{ private $bar = "totally a different field"; function &no_error_here(){ return $this->bar; } } class Foo extends Baz { private int $bar = 42; public function &ok_error_here(){ return $this->bar; } } $foo = new Foo(); var_dump($foo); $foo->no_error_here(); $foo->ok_error_here();

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)
8.5.30.0100.00717.52
8.5.20.0090.00819.99
8.5.10.0090.00520.09
8.5.00.0140.00719.99
8.4.180.0170.00519.55
8.4.170.0120.00923.89
8.4.160.0120.01123.09
8.4.150.0050.00216.83
8.4.140.0130.00917.58
8.4.130.0080.00517.85
8.4.120.0110.00520.30
8.4.110.0070.00522.49
8.4.100.0060.00322.35
8.4.90.0120.00918.52
8.4.80.0120.00818.50
8.4.70.0060.01019.28
8.4.60.0100.00920.66
8.4.50.0080.00318.49
8.4.40.0040.01520.53
8.4.30.0100.01017.67
8.4.20.0170.00317.71
8.4.10.0160.00317.47
8.3.300.0130.00818.24
8.3.290.0100.01118.37
8.3.280.0130.00618.48
8.3.270.0110.00816.47
8.3.260.0080.00816.45
8.3.250.0090.01019.04
8.3.240.0060.00216.47
8.3.230.0060.00416.40
8.3.220.0080.00317.09
8.3.210.0120.00718.30
8.3.200.0060.00216.72
8.3.190.0040.00417.07
8.3.180.0110.00516.78
8.3.170.0000.01417.21
8.3.160.0070.00718.38
8.3.150.0070.01018.55
8.3.140.0100.01017.00
8.3.130.0040.00418.47
8.3.120.0060.00918.86
8.3.110.0030.00620.94
8.3.100.0060.00324.06
8.3.90.0130.00726.77
8.3.80.0080.00017.97
8.3.70.0150.00018.03
8.3.60.0070.00716.73
8.3.50.0150.00521.21
8.3.40.0100.00618.75
8.3.30.0070.00718.51
8.3.20.0000.00818.52
8.3.10.0050.00221.96
8.3.00.0000.00820.77
8.2.300.0140.00717.98
8.2.290.0170.00320.14
8.2.280.0070.00618.56
8.2.270.0070.00717.18
8.2.260.0040.01216.95
8.2.250.0140.00718.21
8.2.240.0030.00617.29
8.2.230.0030.00522.58
8.2.220.0060.00337.54
8.2.210.0070.00726.77
8.2.200.0060.00316.50
8.2.190.0030.01218.41
8.2.180.0110.01116.50
8.2.170.0110.00322.96
8.2.160.0120.00319.18
8.2.150.0070.00024.18
8.2.140.0040.00424.66
8.2.130.0040.00422.31
8.2.120.0050.00326.35
8.2.110.0190.00619.37
8.2.100.0110.00017.92
8.2.90.0050.00319.14
8.2.80.0030.00517.97
8.2.70.0060.00317.50
8.2.60.0030.00517.91
8.2.50.0000.00818.10
8.2.40.0080.00020.59
8.2.30.0070.00020.63
8.2.20.0040.00417.54
8.2.10.0040.00418.09
8.2.00.0030.00517.87
8.1.340.0120.00817.67
8.1.330.0090.01022.24
8.1.320.0110.00916.08
8.1.310.0070.00718.32
8.1.300.0040.01517.73
8.1.290.0080.00430.84
8.1.280.0130.00725.92
8.1.270.0030.00522.14
8.1.260.0040.00428.09
8.1.250.0040.00428.09
8.1.240.0040.00422.74
8.1.230.0100.00017.82
8.1.220.0040.00417.74
8.1.210.0040.00418.77
8.1.200.0060.00317.13
8.1.190.0040.00417.22
8.1.180.0070.00018.10
8.1.170.0040.00418.49
8.1.160.0070.00020.93
8.1.150.0050.00318.86
8.1.140.0040.00419.52
8.1.130.0060.00317.55
8.1.120.0000.00717.38
8.1.110.0070.00017.40
8.1.100.0070.00017.30
8.1.90.0040.00417.27
8.1.80.0070.00017.30
8.1.70.0030.00317.24
8.1.60.0040.00417.51
8.1.50.0040.00417.52
8.1.40.0000.01117.48
8.1.30.0040.00417.68
8.1.20.0000.00717.64
8.1.10.0030.00617.29
8.1.00.0000.00817.45
8.0.300.0030.00618.77
8.0.290.0060.00316.63
8.0.280.0030.00318.43
8.0.270.0070.00017.26
8.0.260.0000.00717.21
8.0.250.0030.00316.88
8.0.240.0070.00016.93
8.0.230.0000.00716.94
8.0.220.0040.00416.86
8.0.210.0070.00016.84
8.0.200.0000.00616.86
8.0.190.0000.00716.79
8.0.180.0080.00016.89
8.0.170.0080.00016.88
8.0.160.0040.00416.87
8.0.150.0040.00416.81
8.0.140.0000.00816.84
8.0.130.0000.00613.27
8.0.120.0050.00516.71
8.0.110.0000.00716.82
8.0.100.0000.00716.70
8.0.90.0000.00716.86
8.0.80.0090.00916.78
8.0.70.0000.00716.66
8.0.60.0040.00416.64
8.0.50.0080.00016.86
8.0.30.0100.01016.91
8.0.20.0130.01017.40
8.0.10.0040.00416.98
8.0.00.0080.01216.76
7.4.330.0020.00215.08
7.4.320.0000.00616.50
7.4.300.0000.00616.62
7.4.290.0030.00316.59
7.4.280.0000.00716.39
7.4.270.0000.00716.46
7.4.260.0030.00616.45
7.4.250.0040.00416.52
7.4.240.0070.00016.64
7.4.230.0030.00316.68
7.4.220.0140.01016.70
7.4.210.0030.01316.59
7.4.200.0030.00316.58
7.4.160.0090.00616.57
7.4.150.0100.01017.40
7.4.140.0160.00317.86
7.4.130.0100.00816.52
7.4.120.0130.00416.41
7.4.110.0110.00616.64
7.4.100.0120.00616.45
7.4.90.0140.00516.36
7.4.80.0170.00019.39
7.4.70.0070.01016.63
7.4.60.0040.01216.46
7.4.50.0070.01016.16
7.4.40.0130.01016.31
7.4.30.0090.00916.57
7.3.330.0000.00612.97
7.3.320.0000.00513.21
7.3.310.0030.00316.01
7.3.300.0030.00316.14
7.3.290.0040.00216.20
7.3.280.0120.00416.21
7.3.270.0200.00317.40
7.3.260.0120.00616.20
7.3.250.0110.00916.26
7.3.240.0050.01216.32
7.3.230.0060.01016.39
7.3.210.0130.00416.28
7.3.200.0130.00316.22
7.3.190.0070.01016.34
7.3.180.0130.00316.28
7.3.170.0070.01516.13
7.3.160.0080.00816.18
7.2.330.0120.00616.31
7.2.320.0190.00616.48
7.2.310.0080.00816.46
7.2.300.0040.01416.52
7.2.290.0060.01516.48
7.0.40.0300.06820.21
7.0.30.0150.05820.06
7.0.20.0370.05820.24
7.0.10.0380.05520.33
7.0.00.0320.05320.14
5.6.190.0150.06220.54
5.6.180.0320.05520.52
5.6.170.0280.05720.53
5.6.160.0220.06020.54
5.6.150.0200.07220.32
5.6.140.0300.05520.30
5.6.130.0250.07020.41
5.6.120.0200.07520.32
5.6.110.0150.06520.35
5.6.100.0330.06720.57
5.6.90.0420.05320.37
5.6.80.0250.06319.77
5.6.70.0330.05319.75
5.6.60.0420.05019.76
5.6.50.0350.05519.69
5.6.40.0400.06219.69
5.6.30.0300.06319.72
5.6.20.0370.05719.69
5.6.10.0330.06019.71
5.6.00.0400.05719.66
5.5.330.0130.07020.24
5.5.320.0320.05720.26
5.5.310.0300.06020.29
5.5.300.0380.05020.21
5.5.290.0250.06220.13
5.5.280.0200.05320.20
5.5.270.0180.07320.26
5.5.260.0350.06220.28
5.5.250.0300.05720.11
5.5.240.0270.06319.60
5.5.230.0400.05219.38
5.5.220.0430.04819.58
5.5.210.0420.05519.53
5.5.200.0400.05319.55
5.5.190.0330.05819.47
5.5.180.0370.05719.42
5.5.160.0330.05519.48
5.5.150.0400.05519.55
5.5.140.0320.05719.54
5.5.130.0200.06219.53
5.5.120.0230.05319.57
5.5.110.0220.05819.55
5.5.100.0370.05819.36
5.5.90.0330.05819.44
5.5.80.0350.05219.37
5.5.70.0400.05019.46
5.5.60.0350.05519.40
5.5.50.0230.06019.36
5.5.40.0480.03519.39
5.5.30.0350.05019.42
5.5.20.0270.05719.45
5.5.10.0370.05519.47
5.5.00.0420.05219.46

preferences:
123.4 ms | 1578 KiB | 5 Q