3v4l.org

run code in 300+ PHP versions simultaneously
<?php class a { function a ($x = 1) { $this->myvar = $x; } } class b extends a { var $myvar; function b ($x = 2) { $this->myvar = $x; parent::a(); } } $obj = new b; echo $obj->myvar;

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)
8.3.60.0070.01418.42
8.3.50.0100.00921.93
8.3.40.0120.00318.55
8.3.30.0030.01018.32
8.3.20.0040.00420.20
8.3.10.0050.00320.47
8.3.00.0050.00321.91
8.2.180.0040.01116.63
8.2.170.0040.01122.96
8.2.160.0030.01021.95
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0070.01021.13
8.2.120.0040.00426.35
8.2.110.0200.00319.15
8.2.100.0060.00617.84
8.2.90.0060.00319.11
8.2.80.0000.00817.97
8.2.70.0090.00017.63
8.2.60.0030.00517.80
8.2.50.0030.00518.10
8.2.40.0060.00320.47
8.2.30.0070.00319.49
8.2.20.0000.00717.55
8.2.10.0070.00017.91
8.2.00.0000.00717.98
8.1.280.0070.00725.92
8.1.270.0070.01121.94
8.1.260.0080.00028.09
8.1.250.0040.00428.09
8.1.240.0030.00621.27
8.1.230.0040.00817.82
8.1.220.0000.00917.74
8.1.210.0080.00018.77
8.1.200.0000.00917.25
8.1.190.0000.00817.10
8.1.180.0000.00818.10
8.1.170.0040.00418.58
8.1.160.0000.00722.14
8.1.150.0050.00318.81
8.1.140.0080.00019.38
8.1.130.0030.00317.61
8.1.120.0030.00317.47
8.1.110.0070.00017.38
8.1.100.0040.00417.34
8.1.90.0040.00417.41
8.1.80.0040.00417.42
8.1.70.0000.00817.42
8.1.60.0040.00417.40
8.1.50.0080.00017.46
8.1.40.0050.00317.48
8.1.30.0050.00317.61
8.1.20.0000.00717.34
8.1.10.0000.01217.47
8.1.00.0040.00417.46
8.0.300.0100.00018.77
8.0.290.0040.00416.63
8.0.280.0040.00418.31
8.0.270.0030.00317.24
8.0.260.0060.00017.14
8.0.250.0000.00716.93
8.0.240.0040.00416.93
8.0.230.0030.00316.89
8.0.220.0050.00316.73
8.0.210.0040.00416.84
8.0.200.0040.00416.90
8.0.190.0070.00016.88
8.0.180.0050.00316.75
8.0.170.0040.00416.86
8.0.160.0020.00516.73
8.0.150.0000.00716.72
8.0.140.0030.00316.74
8.0.130.0000.00513.29
8.0.120.0080.00016.81
8.0.110.0000.00816.83
8.0.100.0040.00416.85
8.0.90.0040.00416.84
8.0.80.0000.01416.74
8.0.70.0000.00716.74
8.0.60.0040.00416.79
8.0.50.0040.00416.73
8.0.30.0080.01017.11
8.0.20.0160.00617.40
8.0.10.0000.00716.81
8.0.00.0090.00916.72
7.4.330.0000.00616.77
7.4.320.0030.00316.57
7.4.300.0060.00016.52
7.4.290.0030.00316.64
7.4.280.0000.00816.58
7.4.270.0030.00516.60
7.4.260.0030.00516.58
7.4.250.0070.00016.45
7.4.240.0080.00016.60
7.4.230.0000.00716.32
7.4.220.0090.00916.63
7.4.210.0050.01116.57
7.4.200.0040.00416.59
7.4.160.0070.00716.58
7.4.150.0140.00317.40
7.4.140.0060.01217.86
7.4.130.0090.00816.56
7.4.120.0210.00116.51
7.4.110.0140.00516.52
7.4.100.0140.00416.69
7.4.90.0070.01516.61
7.4.80.0060.01219.39
7.4.70.0130.00716.50
7.4.60.0130.01016.38
7.4.50.0090.00316.21
7.4.40.0060.01216.39
7.4.30.0180.00016.73
7.4.00.0070.00714.74
7.3.330.0030.00313.25
7.3.320.0050.00013.09
7.3.310.0040.00416.20
7.3.300.0000.00716.18
7.3.290.0000.00716.30
7.3.280.0090.00916.32
7.3.270.0120.01217.40
7.3.260.0150.00316.35
7.3.250.0080.00816.29
7.3.240.0120.00816.34
7.3.230.0130.01016.54
7.3.210.0100.01316.36
7.3.200.0070.01316.21
7.3.190.0150.00716.38
7.3.180.0100.00716.23
7.3.170.0130.00916.50
7.3.160.0080.00916.32
7.3.10.0000.01216.65
7.3.00.0000.01316.82
7.2.330.0060.01616.51
7.2.320.0100.00716.47
7.2.310.0090.00616.39
7.2.300.0060.01816.63
7.2.290.0070.01416.64
7.2.130.0060.00317.08
7.2.120.0070.01016.88
7.2.110.0030.00916.95
7.2.100.0000.01416.89
7.2.90.0030.01316.96
7.2.80.0060.00616.61
7.2.70.0000.01416.86
7.2.60.0020.01216.78
7.2.50.0030.00716.96
7.2.40.0040.01216.77
7.2.30.0000.01216.84
7.2.20.0060.00317.01
7.2.10.0040.01116.89
7.2.00.0050.00718.05
7.1.250.0070.00715.67
7.1.200.0120.00015.71
7.1.100.0040.00817.86
7.1.70.0000.01117.16
7.1.60.0120.01219.19
7.1.50.0140.00016.91
7.1.00.0030.07322.29
7.0.200.0670.00414.27
7.0.60.0100.07721.67
7.0.50.0030.04017.73
7.0.40.0100.05020.26
7.0.30.0400.07020.13
7.0.20.0200.05020.12
7.0.10.0070.04020.19
7.0.00.0100.04720.05
5.6.280.0070.03020.79
5.6.210.0070.06720.47
5.6.200.0070.03718.19
5.6.190.0100.07320.39
5.6.180.0270.04020.61
5.6.170.0270.08720.57
5.6.160.0030.08020.44
5.6.150.0070.05318.18
5.6.140.0030.04018.11
5.6.130.0030.08318.28
5.6.120.0030.04320.90
5.6.110.0070.07021.00
5.6.100.0070.08021.04
5.6.90.0030.08320.97
5.6.80.0100.07020.38
5.5.350.0430.06720.41
5.5.340.0030.07317.99
5.5.330.0100.04720.25
5.5.320.0700.05320.38
5.5.310.0200.07020.35
5.5.300.0030.07317.98
5.5.290.0100.05318.01
5.5.280.0030.04020.85
5.5.270.0170.05020.89
5.5.260.0070.07020.65
5.5.250.0030.08320.69
5.5.240.0000.08020.26

preferences:
53.13 ms | 401 KiB | 5 Q