3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Foo { protected $_foo = 'foo'; public function isMatch() { var_dump($this->_foo); var_dump(self::_foo); } } class Bar extends Foo { protected $_foo = 'bar'; } $a = new Bar(); var_dump($a->isMatch());

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)
8.3.40.0040.01118.88
8.3.30.0080.00618.79
8.3.20.0070.00020.48
8.3.10.0080.00023.68
8.3.00.0040.00422.43
8.2.170.0080.00622.96
8.2.160.0000.01320.39
8.2.150.0060.00324.18
8.2.140.0060.00324.66
8.2.130.0000.00826.16
8.2.120.0030.00617.38
8.2.110.0070.00319.24
8.2.100.0120.00017.63
8.2.90.0000.00819.09
8.2.80.0030.00517.97
8.2.70.0060.00317.63
8.2.60.0000.00917.80
8.2.50.0040.00418.07
8.2.40.0030.00621.05
8.2.30.0040.00419.84
8.2.20.0060.00317.80
8.2.10.0000.00818.02
8.2.00.0070.00018.01
8.1.270.0080.00020.11
8.1.260.0060.00326.35
8.1.250.0000.00728.09
8.1.240.0070.00322.05
8.1.230.0160.00017.48
8.1.220.0000.00817.74
8.1.210.0000.00818.77
8.1.200.0080.00217.35
8.1.190.0080.00017.36
8.1.180.0030.00518.10
8.1.170.0040.00418.59
8.1.160.0040.00422.13
8.1.150.0050.00318.86
8.1.140.0000.00817.45
8.1.130.0050.00217.63
8.1.120.0040.00417.52
8.1.110.0020.00517.46
8.1.100.0040.00317.48
8.1.90.0080.00017.45
8.1.80.0040.00417.46
8.1.70.0000.00817.44
8.1.60.0050.00317.56
8.1.50.0030.00617.60
8.1.40.0040.00417.55
8.1.30.0030.00617.59
8.1.20.0040.00417.51
8.1.10.0030.00617.57
8.1.00.0040.00417.40
8.0.300.0040.00418.77
8.0.290.0030.00616.75
8.0.280.0030.00318.36
8.0.270.0040.00417.22
8.0.260.0020.00517.25
8.0.250.0040.00416.96
8.0.240.0040.00416.94
8.0.230.0000.00716.86
8.0.220.0030.00316.97
8.0.210.0070.00016.98
8.0.200.0030.00317.06
8.0.190.0040.00416.94
8.0.180.0040.00416.91
8.0.170.0050.00316.98
8.0.160.0040.00416.87
8.0.150.0030.00516.89
8.0.140.0040.00416.81
8.0.130.0000.00713.40
8.0.120.0080.00016.93
8.0.110.0030.00516.98
8.0.100.0040.00416.92
8.0.90.0000.00716.99
8.0.80.0000.01416.92
8.0.70.0070.00016.96
8.0.60.0030.00516.95
8.0.50.0040.00416.99
8.0.30.0050.01117.00
8.0.20.0110.00917.40
8.0.10.0040.00417.08
8.0.00.0080.00916.82
7.4.330.0000.00515.20
7.4.320.0030.00316.62
7.4.300.0050.00316.61
7.4.290.0070.00016.45
7.4.280.0080.00016.61
7.4.270.0030.00316.54
7.4.260.0030.00316.45
7.4.250.0000.00816.52
7.4.240.0040.00416.45
7.4.230.0000.00716.50
7.4.220.0160.00316.70
7.4.210.0110.00316.57
7.4.200.0080.00016.68
7.4.160.0090.00616.62
7.4.150.0130.00417.40
7.4.140.0110.00717.86
7.4.130.0160.00416.62
7.4.120.0060.01216.57
7.4.110.0090.00916.61
7.4.100.0130.01316.66
7.4.90.0050.01316.70
7.4.80.0090.00919.39
7.4.70.0150.00316.56
7.4.60.0030.01316.59
7.4.50.0040.00416.53
7.4.40.0060.01516.52
7.4.30.0130.01016.58
7.4.00.0070.01014.91
7.3.330.0030.00313.34
7.3.320.0030.00513.32
7.3.310.0040.00416.27
7.3.300.0000.00716.30
7.3.290.0090.00716.34
7.3.280.0070.01316.35
7.3.270.0110.00717.40
7.3.260.0070.01016.53
7.3.250.0090.00916.56
7.3.240.0140.00716.36
7.3.230.0180.00616.41
7.3.210.0110.00616.44
7.3.200.0060.01619.39
7.3.190.0100.00616.41
7.3.180.0000.01516.37
7.3.170.0100.01016.50
7.3.160.0060.01516.35
7.3.120.0110.00414.91
7.3.110.0060.00914.99
7.3.100.0120.00314.68
7.3.90.0070.01015.04
7.3.80.0060.00914.73
7.3.70.0060.00814.79
7.3.60.0040.01114.58
7.3.50.0060.00314.69
7.3.40.0060.00614.81
7.3.30.0040.00914.78
7.3.20.0040.01416.74
7.3.10.0100.00716.68
7.3.00.0110.00416.70
7.2.330.0100.01316.36
7.2.320.0100.00716.71
7.2.310.0110.00616.76
7.2.300.0080.00816.79
7.2.290.0090.00616.33
7.2.240.0070.01015.23
7.2.230.0130.00314.90
7.2.220.0070.01014.85
7.2.210.0000.01515.09
7.2.200.0060.00614.84
7.2.190.0100.00715.09
7.2.180.0030.01314.97
7.2.170.0060.00914.94
7.2.160.0100.00714.82
7.2.150.0060.00917.07
7.2.140.0060.00617.08
7.2.130.0110.00316.91
7.2.120.0060.01016.63
7.2.110.0040.01116.93
7.2.100.0090.00416.88
7.2.90.0080.00616.86
7.2.80.0080.00516.75
7.2.70.0060.00917.05
7.2.60.0060.00816.80
7.2.50.0060.00616.89
7.2.40.0090.00416.82
7.2.30.0070.01017.01
7.2.20.0030.00916.73
7.2.10.0070.01117.04
7.2.00.0070.00718.25
7.1.330.0030.01015.59
7.1.320.0100.00715.63
7.1.310.0070.00715.80
7.1.300.0080.00815.48
7.1.290.0070.00715.55
7.1.280.0060.00815.67
7.1.270.0040.00715.73
7.1.260.0040.01115.74
7.1.250.0030.01015.48
7.1.200.0070.00315.67
7.1.100.0070.00718.20
7.1.70.0030.00917.22
7.1.60.0070.01720.03
7.1.50.0070.01417.02
7.1.00.0070.07322.40
7.0.200.0070.00316.81
7.0.60.0070.08019.95
7.0.50.0200.06317.87
7.0.40.0130.08020.11
7.0.30.0100.05020.34
7.0.20.0070.05020.21
7.0.10.0200.05720.23
7.0.00.0030.06720.30
5.6.280.0000.05021.02
5.6.210.0030.06720.51
5.6.200.0130.06718.27
5.6.190.0130.06020.64
5.6.180.0300.08020.48
5.6.170.0230.07020.47
5.6.160.0030.05020.54
5.6.150.0070.03718.24
5.6.140.0000.08718.18
5.6.130.0130.08018.14
5.6.120.0170.04021.12
5.6.110.0030.07321.01
5.6.100.0000.08021.01
5.6.90.0030.08721.02
5.6.80.0130.07720.36
5.6.70.0300.07720.38
5.5.350.0070.08020.41
5.5.340.0170.06317.94
5.5.330.0000.05020.29
5.5.320.0300.03320.35
5.5.310.0270.07320.30
5.5.300.0030.03718.08
5.5.290.0070.08018.02
5.5.280.0170.07020.77
5.5.270.0070.06020.80
5.5.260.0070.07720.87
5.5.250.0030.07720.58
5.5.240.0030.08320.24
5.4.450.0770.05319.63
5.4.440.1100.07319.49
5.4.430.1030.05719.38
5.4.420.1000.05319.38
5.4.410.0700.05319.07
5.4.400.0170.04718.98
5.4.390.0670.05319.15
5.4.380.0830.05719.14
5.4.370.0770.06719.02
5.4.360.0830.04719.29
5.4.350.0800.05319.38
5.4.340.0870.05719.23
5.4.320.0900.05719.01
5.4.310.0970.05019.15
5.4.300.0730.06319.13
5.4.290.1100.04018.87
5.4.280.0800.08319.23
5.4.270.0770.05718.87
5.4.260.0800.05318.88
5.4.250.0870.05719.14
5.4.240.1000.05319.25
5.4.230.0730.05719.02
5.4.220.0870.06019.30
5.4.210.1070.07019.25
5.4.200.0870.06016.80
5.4.190.0630.06319.32
5.4.180.1000.05318.91
5.4.170.0970.05719.00
5.4.160.1030.07719.25
5.4.150.1200.05718.89
5.4.140.1230.05316.46
5.4.130.0930.05716.71
5.4.120.0930.04316.48
5.4.110.0770.06016.37
5.4.100.1030.04016.43
5.4.90.0800.06016.45
5.4.80.0970.07016.42
5.4.70.1130.07316.41
5.4.60.0000.03716.54
5.4.50.0070.04016.38
5.4.40.0000.05016.53
5.4.30.0170.07716.50
5.4.20.0270.07316.22

preferences:
46.53 ms | 400 KiB | 5 Q