3v4l.org

run code in 300+ PHP versions simultaneously
<?php class A{ function foo() { if(isset($this)) { return true; } return false; } function bar() { return $this; } } class B{ function bb() { $a = new A(); var_dump(A::bar()); var_dump($a->bar()); } } $a = new A; var_dump(A::foo()); var_dump($a->foo()); $b = new B(); $b->bb();

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)
8.3.40.0110.00418.97
8.3.30.0030.01020.34
8.3.20.0070.00020.15
8.3.10.0090.00621.97
8.3.00.0000.00822.39
8.2.170.0090.00619.09
8.2.160.0070.01122.96
8.2.150.0040.00424.18
8.2.140.0190.00024.66
8.2.130.0000.00726.16
8.2.120.0060.00319.63
8.2.110.0060.00320.38
8.2.100.0110.00017.72
8.2.90.0030.00519.11
8.2.80.0050.00219.32
8.2.70.0030.00617.50
8.2.60.0090.00017.90
8.2.50.0040.00718.07
8.2.40.0040.00418.16
8.2.30.0070.00018.07
8.2.20.0050.00217.66
8.2.10.0040.00417.71
8.2.00.0070.00017.68
8.1.270.0040.00424.66
8.1.260.0040.00426.35
8.1.250.0080.00028.09
8.1.240.0070.00418.53
8.1.230.0110.00019.07
8.1.220.0030.00617.74
8.1.210.0080.00018.77
8.1.200.0060.00317.23
8.1.190.0000.00817.30
8.1.180.0040.00420.25
8.1.170.0080.00018.41
8.1.160.0000.00722.15
8.1.150.0060.00318.59
8.1.140.0040.00417.36
8.1.130.0000.00717.84
8.1.120.0040.00417.43
8.1.110.0020.00517.30
8.1.100.0040.00417.45
8.1.90.0000.00817.42
8.1.80.0040.00417.44
8.1.70.0030.00317.29
8.1.60.0000.00817.54
8.1.50.0060.00317.54
8.1.40.0060.00317.51
8.1.30.0000.00817.57
8.1.20.0000.00817.62
8.1.10.0000.00717.45
8.1.00.0040.00417.37
8.0.300.0070.00018.77
8.0.290.0040.00417.16
8.0.280.0000.00718.33
8.0.270.0070.00017.21
8.0.260.0040.00416.82
8.0.250.0030.00316.84
8.0.240.0000.00816.85
8.0.230.0070.00016.87
8.0.220.0000.00816.93
8.0.210.0070.00016.95
8.0.200.0060.00016.92
8.0.190.0030.00616.84
8.0.180.0040.00416.98
8.0.170.0040.00416.82
8.0.160.0030.00317.02
8.0.150.0000.00716.91
8.0.140.0040.00416.90
8.0.130.0030.00313.39
8.0.120.0040.00416.89
8.0.110.0040.00416.95
8.0.100.0040.00416.70
8.0.90.0050.00216.97
8.0.80.0140.00316.91
8.0.70.0020.00517.02
8.0.60.0000.00716.91
8.0.50.0040.00416.79
8.0.30.0090.01317.16
8.0.20.0110.00817.40
8.0.10.0040.00417.11
8.0.00.0140.01116.79
7.4.330.0000.00515.00
7.4.320.0000.00616.34
7.4.300.0030.00316.58
7.4.290.0050.00316.54
7.4.280.0030.00316.39
7.4.270.0000.00716.43
7.4.260.0030.00316.61
7.4.250.0060.00316.57
7.4.240.0020.00516.48
7.4.230.0070.00016.70
7.4.220.0100.01616.68
7.4.210.0070.01016.63
7.4.200.0070.00016.31
7.4.190.0000.00716.69
7.4.160.0110.01116.57
7.4.150.0090.00917.40
7.4.140.0090.01417.86
7.4.130.0070.01016.57
7.4.120.0100.00716.58
7.4.110.0150.00416.31
7.4.100.0070.01416.36
7.4.90.0100.01016.53
7.4.80.0060.01519.39
7.4.70.0090.00916.39
7.4.60.0100.01316.52
7.4.50.0000.00616.26
7.4.40.0070.00722.77
7.4.30.0110.01116.50
7.4.00.0040.01114.80
7.3.330.0050.00013.36
7.3.320.0000.00513.21
7.3.310.0040.00416.24
7.3.300.0000.00716.21
7.3.290.0070.00716.38
7.3.280.0110.00416.34
7.3.270.0070.01317.40
7.3.260.0090.00916.37
7.3.250.0130.00416.41
7.3.240.0080.00916.39
7.3.230.0110.00716.59
7.3.210.0100.00716.58
7.3.200.0100.01019.39
7.3.190.0100.00716.33
7.3.180.0040.01616.39
7.3.170.0050.01116.31
7.3.160.0080.01116.53
7.3.120.0070.00714.95
7.2.330.0120.00616.30
7.2.320.0080.01616.75
7.2.310.0030.02016.68
7.2.300.0030.01416.75
7.2.290.0070.01116.60
7.2.80.0060.00616.58
7.2.60.0000.01216.86
7.2.00.0030.00919.34
7.1.200.0040.00715.88
7.1.100.0030.01218.25
7.1.70.0040.00417.04
7.1.60.0030.01719.29
7.1.50.0090.01516.96
7.1.00.0070.07322.55
7.0.200.0520.00314.70
7.0.140.0000.07021.95
7.0.110.0100.08019.89
7.0.100.0170.06720.05
7.0.90.0570.09019.97
7.0.80.0670.08019.85
7.0.70.0670.07320.04
7.0.60.0600.05720.07
7.0.50.0700.07719.95
7.0.40.0100.04319.73
7.0.30.0100.07019.66
7.0.20.0030.08019.74
7.0.10.0100.08319.73
7.0.00.0130.07719.78
5.6.280.0030.07320.78
5.6.260.0100.07720.67
5.6.250.0100.07720.70
5.6.240.0070.09020.70
5.6.230.0130.05320.55
5.6.220.0070.08320.66
5.6.210.0200.06020.62
5.6.200.0130.07320.66
5.6.190.0100.08020.61
5.6.180.0170.08020.86
5.6.170.0100.07320.71
5.6.160.0100.07320.65
5.6.150.0130.07320.71
5.6.140.0030.08720.85
5.6.130.0070.07720.85
5.6.120.0100.07720.64
5.6.110.0030.08320.85
5.6.100.0070.08020.55
5.6.90.0070.08320.69
5.6.80.0100.04019.98
5.6.70.0030.08019.97
5.6.60.0070.07719.93
5.6.50.0070.08019.94
5.6.40.0000.08319.92
5.6.30.0100.07319.95
5.6.20.0200.06720.06
5.6.10.0030.06020.06
5.6.00.0030.05720.01
5.5.380.0130.07017.52
5.5.370.0170.06317.68
5.5.360.0070.04717.68
5.5.350.0070.06717.63
5.5.340.0030.08318.26
5.5.330.0030.08317.84
5.5.320.0100.07717.83
5.5.310.0070.07718.09
5.5.300.0070.08018.14
5.5.290.0030.08018.09
5.5.280.0070.07718.06
5.5.270.0030.06018.09
5.5.260.0030.07717.95
5.5.250.0100.07317.90
5.5.240.0130.07017.47
5.5.230.0130.07317.45
5.5.220.0100.07017.50
5.5.210.0130.07017.60
5.5.200.0100.07317.48
5.5.190.0130.06717.48
5.5.180.0000.07717.50
5.5.160.0030.08017.17
5.5.150.0170.06017.25
5.5.140.0130.06717.30
5.5.130.0130.06717.57
5.5.120.0100.07017.30
5.5.110.0130.06717.25
5.5.100.0070.07717.18
5.5.90.0130.06017.08
5.5.80.0000.08017.20
5.5.70.0100.06717.33
5.5.60.0100.03717.20
5.5.50.0070.04717.34
5.5.40.0070.06017.46
5.5.30.0100.06317.47
5.5.20.0070.06717.51
5.5.10.0130.02717.16
5.5.00.0130.07017.15
5.4.450.0070.06719.55
5.4.440.0070.04719.55
5.4.430.0030.08319.41
5.4.420.0070.03719.41
5.4.410.0070.07019.22
5.4.400.0030.07019.20
5.4.390.0030.08019.09
5.4.380.0000.06019.32
5.4.370.0030.08019.09
5.4.360.0170.05719.09
5.4.350.0130.06319.19
5.4.340.0100.06019.00
5.4.320.0070.07319.18
5.4.310.0070.06018.98
5.4.300.0030.07719.01
5.4.290.0070.08019.16
5.4.280.0170.07018.95
5.4.270.0100.07719.11
5.4.260.0030.04719.03
5.4.250.0100.06718.97
5.4.240.0100.06319.09
5.4.230.0000.05019.34
5.4.220.0170.07018.98
5.4.210.0030.03718.93
5.4.200.0030.03719.00
5.4.190.0030.03319.13
5.4.180.0130.07318.98
5.4.170.0030.07019.02
5.4.160.0130.06319.16
5.4.150.0200.04719.07
5.4.140.0030.04316.49
5.4.130.0030.07716.39
5.4.120.0070.07016.61
5.4.110.0100.06716.55
5.4.100.0030.08316.27
5.4.90.0000.05716.70
5.4.80.0030.07016.40
5.4.70.0030.04016.63
5.4.60.0070.06716.29
5.4.50.0030.03716.23
5.4.40.0130.06716.62
5.4.30.0030.04716.40
5.4.20.0070.07316.40
5.4.10.0070.06316.43
5.4.00.0070.03715.98
5.3.290.0100.07314.68
5.3.280.0030.04314.75
5.3.270.0130.06014.70
5.3.260.0130.06714.59
5.3.250.0070.07714.75
5.3.240.0030.08014.63
5.3.230.0030.08314.75
5.3.220.0030.07714.53
5.3.210.0070.07014.57
5.3.200.0030.07314.66
5.3.190.0000.06014.80
5.3.180.0070.07314.57
5.3.170.0070.08014.69
5.3.160.0070.07314.69
5.3.150.0070.05714.58
5.3.140.0000.04014.69
5.3.130.0200.06014.57
5.3.120.0070.05314.68
5.3.110.0200.04714.55
5.3.100.0130.07314.27
5.3.90.0100.07314.02
5.3.80.0100.05714.04
5.3.70.0070.04014.04
5.3.60.0100.07314.07
5.3.50.0030.04713.96
5.3.40.0070.07713.97
5.3.30.0030.07313.77
5.3.20.0070.05013.66
5.3.10.0070.07313.80
5.3.00.0070.07313.87
5.2.170.0070.06311.14
5.2.160.0130.05711.30
5.2.150.0030.06011.14
5.2.140.0070.03011.16
5.2.130.0070.03311.20
5.2.120.0130.03711.34
5.2.110.0030.06011.10
5.2.100.0030.06011.19
5.2.90.0000.04710.97
5.2.80.0030.03311.24
5.2.70.0000.03711.23
5.2.60.0000.04311.08
5.2.50.0000.04711.12
5.2.40.0000.03010.98
5.2.30.0000.03011.11
5.2.20.0030.02710.94
5.2.10.0070.04710.86
5.2.00.0000.03310.95
5.1.60.0000.02710.00
5.1.50.0000.02310.25
5.1.40.0000.0279.95
5.1.30.0000.02710.21
5.1.20.0000.02710.33
5.1.10.0030.02310.15
5.1.00.0000.02710.05
5.0.50.0030.0209.89
5.0.40.0000.0239.89
5.0.30.0000.0539.89
5.0.20.0000.0209.89
5.0.10.0000.0239.89
5.0.00.0000.0339.89
4.4.90.0000.0379.89
4.4.80.0070.0109.89
4.4.70.0000.0179.89
4.4.60.0000.0339.89
4.4.50.0000.0179.89
4.4.40.0000.0279.89
4.4.30.0000.0179.89
4.4.20.0030.0109.89
4.4.10.0000.0179.89
4.4.00.0000.0279.89
4.3.110.0030.0279.89
4.3.100.0000.0139.89
4.3.90.0000.0179.89
4.3.80.0000.0209.89
4.3.70.0000.0339.89
4.3.60.0000.0179.89
4.3.50.0000.0179.89
4.3.40.0000.0239.89
4.3.30.0000.0139.89
4.3.20.0000.0239.89
4.3.10.0000.0209.89
4.3.00.0030.0239.89

preferences:
45.88 ms | 400 KiB | 5 Q