3v4l.org

run code in 300+ PHP versions simultaneously
<?php class A { protected $as = 1; function a() {echo $this->as;} } class B extends A { protected $as = 2; function a() {echo $this->as;} function b() {parent::a();} function c() {$this->a();} function d() {echo parent::$as;} } $b = new B(); $b->a(); $b->b(); $b->c(); $b->d();

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)
8.3.40.0110.00618.57
8.3.30.0120.00619.22
8.3.20.0030.00520.48
8.3.10.0000.00821.76
8.3.00.0090.00319.38
8.2.170.0090.00922.96
8.2.160.0110.00422.27
8.2.150.0080.00024.18
8.2.140.0040.00424.66
8.2.130.0050.00326.16
8.2.120.0050.00319.54
8.2.110.0050.00521.04
8.2.100.0090.00317.72
8.2.90.0000.00720.47
8.2.80.0040.00417.97
8.2.70.0080.00017.80
8.2.60.0000.00818.03
8.2.50.0030.00518.10
8.2.40.0050.00319.32
8.2.30.0020.00519.23
8.2.20.0030.00617.75
8.2.10.0080.00017.93
8.2.00.0000.00717.73
8.1.270.0090.00020.70
8.1.260.0050.00226.35
8.1.250.0030.00528.09
8.1.240.0100.00019.20
8.1.230.0080.00320.80
8.1.220.0040.00417.76
8.1.210.0050.00319.04
8.1.200.0060.00317.35
8.1.190.0090.00017.10
8.1.180.0000.00918.10
8.1.170.0040.00418.66
8.1.160.0000.00718.76
8.1.150.0000.00718.74
8.1.140.0030.00517.45
8.1.130.0000.00717.94
8.1.120.0030.00617.41
8.1.110.0040.00417.28
8.1.100.0040.00417.28
8.1.90.0040.00417.39
8.1.80.0050.00217.29
8.1.70.0030.00317.39
8.1.60.0030.00617.58
8.1.50.0000.00817.53
8.1.40.0000.00717.47
8.1.30.0000.00817.63
8.1.20.0040.00417.63
8.1.10.0000.00717.48
8.1.00.0040.00717.51
8.0.300.0030.00319.98
8.0.290.0000.00716.74
8.0.280.0030.00518.40
8.0.270.0050.00317.18
8.0.260.0060.00017.30
8.0.250.0070.00016.89
8.0.240.0050.00317.04
8.0.230.0030.00316.96
8.0.220.0070.00016.89
8.0.210.0050.00316.80
8.0.200.0000.00616.88
8.0.190.0000.00816.97
8.0.180.0000.00716.93
8.0.170.0040.00416.82
8.0.160.0000.00716.94
8.0.150.0040.00416.74
8.0.140.0040.00416.84
8.0.130.0030.00313.35
8.0.120.0000.00816.90
8.0.110.0040.00416.80
8.0.100.0050.00216.82
8.0.90.0040.00416.85
8.0.80.0120.00616.95
8.0.70.0000.00716.96
8.0.60.0080.00016.85
8.0.50.0000.00816.78
8.0.30.0120.00717.04
8.0.20.0090.01417.40
8.0.10.0070.00017.01
8.0.00.0100.00716.78
7.4.330.0000.00515.03
7.4.320.0000.00616.44
7.4.300.0060.00016.63
7.4.290.0000.00716.53
7.4.280.0040.00316.60
7.4.270.0030.00316.44
7.4.260.0070.00016.52
7.4.250.0000.00716.45
7.4.240.0020.00616.47
7.4.230.0030.00316.67
7.4.220.0030.01416.66
7.4.210.0100.00416.56
7.4.200.0040.00416.59
7.4.160.0090.00616.43
7.4.150.0100.01017.40
7.4.140.0090.00917.86
7.4.130.0120.00816.49
7.4.120.0090.00916.47
7.4.110.0090.01016.63
7.4.100.0140.00316.42
7.4.90.0080.00816.49
7.4.80.0090.00919.39
7.4.70.0160.00716.42
7.4.60.0100.00616.32
7.4.50.0030.00316.59
7.4.40.0110.00516.55
7.4.30.0000.01716.50
7.4.00.0000.01714.97
7.3.330.0070.00013.20
7.3.320.0120.00413.34
7.3.310.0000.00716.22
7.3.300.0030.00316.38
7.3.290.0030.00316.42
7.3.280.0070.00816.35
7.3.270.0160.00617.40
7.3.260.0030.01416.45
7.3.250.0120.00616.31
7.3.240.0160.00616.52
7.3.230.0090.00916.39
7.3.210.0130.00316.61
7.3.200.0160.00016.49
7.3.190.0150.00316.60
7.3.180.0120.01216.58
7.3.170.0130.00616.59
7.3.160.0140.00316.36
7.2.330.0150.00316.39
7.2.320.0130.00316.45
7.2.310.0030.01316.78
7.2.300.0070.01416.86
7.2.290.0180.00316.47
7.2.80.0040.01116.65
7.2.60.0000.01417.04
7.2.00.0030.00919.11
7.1.200.0070.00715.75
7.1.100.0060.00617.93
7.1.70.0040.00417.11
7.1.60.0170.00719.46
7.1.50.0030.01416.53
7.1.00.0000.08022.31
7.0.200.0090.00616.83
7.0.140.0030.05322.00
7.0.70.3370.03720.02
7.0.60.0100.07019.93
7.0.50.0130.07717.86
7.0.40.0100.09020.10
7.0.30.0270.07020.16
7.0.20.0270.04020.10
7.0.10.0300.07020.21
7.0.00.0070.09020.15
5.6.280.0000.07021.12
5.6.210.0070.07320.63
5.6.200.0070.04718.25
5.6.190.0030.05720.57
5.6.180.0300.07020.59
5.6.170.0330.07020.56
5.6.160.0070.05020.48
5.6.150.0100.07718.18
5.6.140.0070.07318.12
5.6.130.0130.05018.18
5.6.120.0070.09021.13
5.6.110.0100.05321.02
5.6.100.0130.08021.03
5.6.90.0100.07320.96
5.6.80.0000.05020.42
5.6.70.0330.07320.35
5.5.350.0130.07320.54
5.5.340.0100.07717.99
5.5.330.0030.06020.29
5.5.320.0000.08020.21
5.5.310.0170.06020.27
5.5.300.0070.08017.98
5.5.290.0070.06017.91
5.5.280.0070.07020.97
5.5.270.0000.04720.88
5.5.260.0070.08320.85
5.5.250.0200.06720.55
5.5.240.0170.06020.13
5.4.450.0630.05719.60
5.4.440.0470.07019.48
5.4.430.1130.05719.38
5.4.420.0870.06319.70
5.4.410.1130.04719.50
5.4.400.0100.06318.83
5.4.390.0100.05718.69
5.4.380.0170.06018.62
5.4.370.0230.04718.53
5.4.360.0170.05718.72
5.4.350.0130.05718.70
5.4.340.0170.05318.54
5.4.320.0100.06318.52
5.4.310.0300.04018.47
5.4.300.0200.05018.54
5.4.290.0200.05018.72
5.4.280.0130.05718.47
5.4.270.0100.06318.72
5.4.260.0330.03718.77
5.4.250.0170.05718.70
5.4.240.0170.05318.61
5.4.230.0300.03718.46
5.4.220.0170.05318.71
5.4.210.0130.05718.59
5.4.200.0100.05716.53
5.4.190.0130.05018.52
5.4.180.0270.04718.70
5.4.170.0200.05318.41
5.4.160.0270.04718.70
5.4.150.0130.05718.59
5.4.140.0330.03716.37
5.4.130.0100.05716.34
5.4.120.0100.05316.36
5.4.110.0230.04316.30
5.4.100.0230.05316.21
5.4.90.0170.05316.19
5.4.80.0100.06316.27
5.4.70.0100.05716.27
5.4.60.0200.07016.17
5.4.50.0100.05316.27
5.4.40.0200.05016.28
5.4.30.0230.04316.39
5.4.20.0200.05016.20
5.4.10.0170.05016.22
5.4.00.0070.06015.79
5.3.290.0270.04314.66
5.3.280.0170.05314.65
5.3.270.0100.06014.59
5.3.260.0170.06014.81
5.3.250.0070.06014.66
5.3.240.0130.06714.60
5.3.230.0100.06014.66
5.3.220.0170.07014.63
5.3.210.0270.04314.67
5.3.200.0270.06014.58
5.3.190.0130.06014.57
5.3.180.0100.05714.77
5.3.170.0200.07014.63
5.3.160.0070.07014.56
5.3.150.0100.06014.66
5.3.140.0170.05714.73
5.3.130.0100.06714.61
5.3.120.0230.05314.60
5.3.110.0230.06714.69
5.3.100.0230.06014.20
5.3.90.0300.05714.09
5.3.80.0170.05014.19
5.3.70.0270.06014.13
5.3.60.0170.05014.23
5.3.50.0200.05013.98
5.3.40.0170.05314.13
5.3.30.0170.05713.98
5.3.20.0170.05013.73
5.3.10.0170.05013.72
5.3.00.0100.06013.68
5.2.170.0070.05011.16
5.2.160.0170.04011.14
5.2.150.0170.04311.38
5.2.140.0100.04311.26
5.2.130.0130.04011.23
5.2.120.0100.04311.23
5.2.110.0170.04011.18
5.2.100.0130.04011.14
5.2.90.0100.04311.18
5.2.80.0200.05011.21
5.2.70.0100.06011.31
5.2.60.0170.05311.18
5.2.50.0200.04311.00
5.2.40.0200.03311.10
5.2.30.0170.03711.09
5.2.20.0170.03310.97
5.2.10.0070.04711.08
5.2.00.0130.04010.76
5.1.60.0100.03310.14
5.1.50.0070.0379.99
5.1.40.0170.03010.10
5.1.30.0170.03010.54
5.1.20.0200.03010.39
5.1.10.0230.04010.12
5.1.00.0130.05010.08
5.0.50.0100.0378.66
5.0.40.0070.0308.40
5.0.30.0130.0378.24
5.0.20.0100.0278.23
5.0.10.0100.0278.20
5.0.00.0030.0478.20
4.4.90.0030.0235.93
4.4.80.0100.0175.98
4.4.70.0100.0175.87
4.4.60.0070.0205.89
4.4.50.0000.0305.97
4.4.40.0070.0375.88
4.4.30.0030.0335.96
4.4.20.0070.0235.96
4.4.10.0030.0275.98
4.4.00.0070.0335.90
4.3.110.0070.0235.88
4.3.100.0000.0275.80
4.3.90.0030.0235.77
4.3.80.0030.0375.84
4.3.70.0070.0205.79
4.3.60.0030.0235.78
4.3.50.0070.0235.80
4.3.40.0030.0375.79
4.3.30.0030.0234.58
4.3.20.0000.0274.56
4.3.10.0030.0234.56
4.3.00.0030.0206.94

preferences:
41.4 ms | 400 KiB | 5 Q