3v4l.org

run code in 300+ PHP versions simultaneously
<?php class A { public function foo() { $f = function() { $name = "this"; var_dump($this->bar()); var_dump(${$name}->bar()); }; $f(); } public function bar() { return "bar"; }} $a = new A; $a->foo();

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)
8.3.60.0070.01018.43
8.3.50.0120.00921.98
8.3.40.0140.00718.67
8.3.30.0160.00318.95
8.3.20.0110.00719.99
8.3.10.0140.00022.14
8.3.00.0070.00722.40
8.2.180.0090.00916.38
8.2.170.0140.00722.96
8.2.160.0100.00718.99
8.2.150.0000.00824.18
8.2.140.0040.00424.66
8.2.130.0180.00026.16
8.2.120.0070.00019.83
8.2.110.0040.00422.20
8.2.100.0040.00819.64
8.2.90.0090.00019.05
8.2.80.0030.00618.04
8.2.70.0000.00917.63
8.2.60.0040.00417.93
8.2.50.0050.00318.07
8.2.40.0000.00920.00
8.2.30.0000.00718.00
8.2.20.0040.00417.62
8.2.10.0000.00717.68
8.2.00.0030.00517.61
8.1.280.0070.01425.92
8.1.270.0060.00922.23
8.1.260.0040.00426.35
8.1.250.0070.00328.09
8.1.240.0060.00323.86
8.1.230.0040.00718.97
8.1.220.0050.00317.79
8.1.210.0030.00518.77
8.1.200.0050.00517.48
8.1.190.0040.00417.43
8.1.180.0050.00318.75
8.1.170.0000.00818.53
8.1.160.0040.00422.05
8.1.150.0030.00718.63
8.1.140.0040.00417.50
8.1.130.0070.00017.73
8.1.120.0040.00417.40
8.1.110.0040.00417.42
8.1.100.0020.00517.51
8.1.90.0040.00417.44
8.1.80.0050.00317.42
8.1.70.0000.00717.39
8.1.60.0030.00617.58
8.1.50.0030.00617.42
8.1.40.0070.00017.48
8.1.30.0050.00317.68
8.1.20.0060.00317.48
8.1.10.0040.00417.45
8.1.00.0040.00417.47
8.0.300.0000.00718.77
8.0.290.0080.00017.28
8.0.280.0040.00418.48
8.0.270.0000.00717.25
8.0.260.0030.00316.68
8.0.250.0000.00716.98
8.0.240.0000.00716.91
8.0.230.0040.00416.98
8.0.220.0070.00016.86
8.0.210.0000.00716.77
8.0.200.0040.00416.88
8.0.190.0030.00616.91
8.0.180.0040.00416.79
8.0.170.0000.00816.90
8.0.160.0000.00816.86
8.0.150.0030.00616.84
8.0.140.0050.00316.88
8.0.130.0060.00013.38
8.0.120.0000.00716.74
8.0.110.0080.00016.77
8.0.100.0050.00216.95
8.0.90.0040.00416.95
8.0.80.0030.01416.82
8.0.70.0040.00416.87
8.0.60.0040.00416.79
8.0.50.0040.00416.86
8.0.30.0100.01317.12
8.0.20.0130.00517.40
8.0.10.0070.00016.79
8.0.00.0090.01116.68
7.4.330.0030.00315.00
7.4.320.0030.00316.61
7.4.300.0000.00616.58
7.4.290.0000.00616.55
7.4.280.0000.00716.52
7.4.270.0030.00316.60
7.4.260.0000.00716.57
7.4.250.0000.00716.55
7.4.240.0040.00316.46
7.4.230.0000.00716.48
7.4.220.0070.01116.57
7.4.210.0060.01016.60
7.4.200.0000.00816.29
7.4.190.0070.00016.35
7.4.160.0120.00416.36
7.4.150.0100.00717.40
7.4.140.0110.00917.86
7.4.130.0070.01016.47
7.4.120.0090.01116.63
7.4.110.0040.01316.34
7.4.100.0070.01416.64
7.4.90.0030.01316.55
7.4.80.0070.01019.39
7.4.70.0140.00316.24
7.4.60.0130.00316.62
7.4.50.0000.00716.04
7.4.40.0070.00722.77
7.4.30.0100.01016.63
7.4.00.0090.00614.95
7.3.330.0070.00013.23
7.3.320.0000.00513.07
7.3.310.0000.00716.42
7.3.300.0070.00016.21
7.3.290.0110.00316.38
7.3.280.0080.00816.36
7.3.270.0140.00417.40
7.3.260.0100.00916.34
7.3.250.0130.00416.31
7.3.240.0160.00616.54
7.3.230.0090.00916.52
7.3.210.0100.00716.38
7.3.200.0060.00919.39
7.3.190.0030.01716.78
7.3.180.0110.00716.28
7.3.170.0100.00916.48
7.3.160.0160.00316.30
7.3.120.0030.00914.81
7.3.10.0060.00916.44
7.3.00.0080.00616.69
7.2.330.0030.01416.35
7.2.320.0100.00716.33
7.2.310.0130.00316.30
7.2.300.0100.00716.70
7.2.290.0090.00916.71
7.2.130.0000.01616.83
7.2.120.0100.00517.04
7.2.110.0160.00516.84
7.2.100.0100.00716.78
7.2.90.0170.00716.74
7.2.80.0070.00716.56
7.2.70.0040.00816.59
7.2.60.0020.00916.66
7.2.50.0060.00616.85
7.2.40.0040.00816.84
7.2.30.0080.00316.96
7.2.20.0090.00017.08
7.2.10.0030.00616.83
7.2.00.0020.01218.21
7.1.250.0180.00315.54
7.1.200.0000.01015.85
7.1.100.0000.00817.65
7.1.70.0050.00217.07
7.1.60.0160.00719.82
7.1.50.0090.00616.84
7.1.00.0000.07322.30
7.0.200.0070.00316.66
7.0.140.0100.06721.93
7.0.60.0030.08320.07
7.0.50.0100.06717.87
7.0.40.0030.09320.09
7.0.30.0370.07020.21
7.0.20.0300.06020.24
7.0.10.0030.04720.05
7.0.00.0030.09320.16
5.6.280.0070.07021.09
5.6.210.0170.07720.78
5.6.200.0030.04018.29
5.6.190.0000.04720.41
5.6.180.0330.07020.39
5.6.170.0400.07720.45
5.6.160.0000.06020.46
5.6.150.0070.07718.29
5.6.140.0100.05318.21
5.6.130.0100.08318.15
5.6.120.0130.07321.00
5.6.110.0000.04321.02
5.6.100.0070.08721.00
5.6.90.0230.07320.97
5.6.80.0000.06020.45
5.5.350.0030.06720.45
5.5.340.0200.06318.07
5.5.330.0000.05020.43
5.5.320.0070.05020.37
5.5.310.0270.06320.30
5.5.300.0130.07318.08
5.5.290.0130.07017.98
5.5.280.0030.08720.86
5.5.270.0300.06020.80
5.5.260.0070.05320.89
5.5.250.0030.07020.72
5.5.240.0200.03020.13
5.4.450.0470.06019.20
5.4.440.0730.05319.27
5.4.430.0530.05319.61
5.4.420.0530.05719.61
5.4.410.0730.05319.14
5.4.400.0700.06019.28
5.4.390.0670.06019.25
5.4.380.0400.04018.76
5.4.370.0400.04318.89
5.4.360.0230.04318.73
5.4.350.0200.04718.59
5.4.340.0230.04318.75
5.4.320.0070.03512.51
5.4.310.0060.04212.51
5.4.300.0060.04512.52
5.4.290.0090.03712.51
5.4.280.0070.03412.41
5.4.270.0060.03912.40
5.4.260.0070.07718.89
5.4.250.0170.04718.73
5.4.240.0070.05718.95
5.4.230.0070.08318.98
5.4.220.0100.08718.99
5.4.210.0170.05019.09
5.4.200.0130.04718.72
5.4.190.0100.07718.91
5.4.180.0030.06018.63
5.4.170.0100.07318.97
5.4.160.0070.05318.78
5.4.150.0030.08018.94
5.4.140.0170.05316.53
5.4.130.0030.05716.45
5.4.120.0070.07716.61
5.4.110.0030.05316.46
5.4.100.0070.06316.37
5.4.90.0130.06716.52
5.4.80.0200.04716.68
5.4.70.0130.04716.44
5.4.60.0030.05716.50
5.4.50.0030.06316.38
5.4.40.0200.04316.57
5.4.30.0100.05016.35
5.4.20.0100.07316.37
5.4.10.0100.09016.55
5.4.00.0130.07015.75
5.3.290.0080.03812.80
5.3.280.0100.05314.69
5.3.270.0130.05714.59
5.3.260.0130.04714.83
5.3.250.0070.07314.63
5.3.240.0130.04714.70
5.3.230.0130.05014.69
5.3.220.0030.06014.41
5.3.210.0100.07714.66
5.3.200.0070.05314.56
5.3.190.0070.05714.80
5.3.180.0030.06014.40
5.3.170.0200.05014.54
5.3.160.0100.05314.73
5.3.150.0030.06014.75
5.3.140.0030.05714.70
5.3.130.0100.08014.78
5.3.120.0100.06014.62
5.3.110.0100.08014.63
5.3.100.0100.05314.27
5.3.90.0030.05714.11
5.3.80.0030.06014.11
5.3.70.0070.05013.86
5.3.60.0200.05714.08
5.3.50.0070.05014.14
5.3.40.0100.05013.97
5.3.30.0130.04314.00
5.3.20.0030.06013.89
5.3.10.0130.06013.74
5.3.00.0200.03713.63
5.2.170.0130.03711.05
5.2.160.0100.03711.14
5.2.150.0070.04011.23
5.2.140.0100.05311.23
5.2.130.0030.05011.18
5.2.120.0100.04711.32
5.2.110.0070.05711.18
5.2.100.0030.04011.18
5.2.90.0100.04011.16
5.2.80.0070.04011.09
5.2.70.0130.04011.25
5.2.60.0070.06011.05
5.2.50.0000.04711.00
5.2.40.0130.03311.07
5.2.30.0070.04011.05
5.2.20.0100.05010.78
5.2.10.0100.05310.94
5.2.00.0200.04710.62
5.1.60.0100.04310.00
5.1.50.0170.03010.00
5.1.40.0100.0479.82
5.1.30.0170.04010.51
5.1.20.0130.03010.25
5.1.10.0070.05010.13
5.1.00.0100.04310.04
5.0.50.0230.0338.47
5.0.40.0030.0408.45
5.0.30.0070.0378.28
5.0.20.0070.0338.11
5.0.10.0100.0238.08
5.0.00.0170.0278.16
4.4.90.0030.0307.32
4.4.80.0070.0207.32
4.4.70.0070.0307.32
4.4.60.0070.0277.32
4.4.50.0000.0237.32
4.4.40.0030.0337.32
4.4.30.0070.0277.32
4.4.20.0100.0207.32
4.4.10.0100.0207.32
4.4.00.0100.0377.32
4.3.110.0030.0307.32
4.3.100.0030.0207.32
4.3.90.0070.0177.32
4.3.80.0030.0477.32
4.3.70.0030.0277.32
4.3.60.0070.0277.32
4.3.50.0070.0207.32
4.3.40.0100.0277.32
4.3.30.0030.0207.32
4.3.20.0000.0237.32
4.3.10.0000.0237.32
4.3.00.0070.0238.11

preferences:
44.01 ms | 401 KiB | 5 Q