3v4l.org

run code in 300+ PHP versions simultaneously
<?php error_reporting(-1); class A { public function q(A $a = null) {} } class B { public function q(B $b, A $a) {} } $b = new B();

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)
8.3.60.0110.00716.63
8.3.50.0160.00521.10
8.3.40.0100.01018.57
8.3.30.0070.00718.59
8.3.20.0080.00620.04
8.3.10.0000.00823.48
8.3.00.0110.00419.66
8.2.180.0040.01216.63
8.2.170.0090.00622.96
8.2.160.0100.01020.26
8.2.150.0110.00424.18
8.2.140.0070.00724.66
8.2.130.0080.00019.38
8.2.120.0000.00826.35
8.2.110.0040.00420.43
8.2.100.0040.00717.80
8.2.90.0080.00019.24
8.2.80.0040.00417.97
8.2.70.0040.00417.50
8.2.60.0060.00617.80
8.2.50.0040.00418.07
8.2.40.0070.00320.60
8.2.30.0030.00320.66
8.2.20.0020.00517.50
8.2.10.0000.00717.91
8.2.00.0080.00018.03
8.1.280.0030.01325.92
8.1.270.0110.00420.32
8.1.260.0080.00028.09
8.1.250.0050.00328.09
8.1.240.0080.00023.86
8.1.230.0060.00617.83
8.1.220.0050.00317.74
8.1.210.0030.00518.77
8.1.200.0030.00617.35
8.1.190.0080.00017.10
8.1.180.0000.00818.10
8.1.170.0060.00318.52
8.1.160.0040.00420.70
8.1.150.0000.00818.69
8.1.140.0080.00019.46
8.1.130.0030.00317.67
8.1.120.0070.00017.28
8.1.110.0000.00717.36
8.1.100.0040.00417.31
8.1.90.0080.00017.34
8.1.80.0040.00417.33
8.1.70.0030.00317.27
8.1.60.0040.00417.52
8.1.50.0080.00017.43
8.1.40.0030.00517.51
8.1.30.0070.00317.49
8.1.20.0050.00217.58
8.1.10.0030.00517.41
8.1.00.0000.00717.44
8.0.300.0050.00318.77
8.0.290.0070.00016.58
8.0.280.0030.00318.37
8.0.270.0000.00717.19
8.0.260.0000.00617.17
8.0.250.0030.00316.89
8.0.240.0030.00316.90
8.0.230.0030.00316.78
8.0.220.0050.00316.79
8.0.210.0000.00716.86
8.0.200.0030.00316.77
8.0.190.0040.00416.79
8.0.180.0000.00816.85
8.0.170.0060.00316.81
8.0.160.0090.00316.91
8.0.150.0030.00616.79
8.0.140.0000.00916.70
8.0.130.0030.00313.23
8.0.120.0040.00416.80
8.0.110.0000.00716.85
8.0.100.0000.00716.71
8.0.90.0000.00816.70
8.0.80.0070.00716.70
8.0.70.0000.00716.86
8.0.60.0000.00716.73
8.0.50.0050.00316.76
8.0.30.0110.00817.13
8.0.20.0110.00717.40
8.0.10.0000.00716.95
8.0.00.0100.00916.66
7.4.330.0030.00316.78
7.4.320.0030.00316.46
7.4.300.0060.00016.43
7.4.290.0050.00316.51
7.4.280.0070.00016.55
7.4.270.0030.00316.36
7.4.260.0030.00616.37
7.4.250.0040.00416.40
7.4.240.0010.00616.38
7.4.230.0000.00716.32
7.4.220.0100.01016.45
7.4.210.0060.00916.49
7.4.200.0030.00616.58
7.4.160.0090.00616.40
7.4.150.0030.01317.40
7.4.140.0130.00717.86
7.4.130.0070.01216.43
7.4.120.0120.00516.53
7.4.110.0100.00716.61
7.4.100.0160.00616.44
7.4.90.0100.00716.34
7.4.80.0130.00819.39
7.4.70.0080.00816.32
7.4.60.0090.00616.34
7.4.50.0070.01016.24
7.4.40.0100.00616.42
7.4.30.0030.01416.37
7.4.00.0050.00914.89
7.3.330.0030.00313.24
7.3.320.0070.00013.20
7.3.310.0000.00716.24
7.3.300.0000.00616.13
7.3.290.0030.00316.23
7.3.280.0080.00916.15
7.3.270.0120.01217.40
7.3.260.0190.00016.29
7.3.250.0120.01116.18
7.3.240.0130.00416.19
7.3.230.0110.00616.39
7.3.210.0000.01816.49
7.3.200.0130.00316.30
7.3.190.0000.01616.21
7.3.180.0090.00616.34
7.3.170.0120.00416.45
7.3.160.0080.00816.20
7.3.120.0120.00614.66
7.3.110.0030.01414.51
7.3.100.0040.00914.48
7.3.90.0100.00314.49
7.3.80.0130.00014.72
7.3.70.0030.01014.68
7.3.60.0000.01514.43
7.3.50.0070.00414.79
7.3.40.0030.00614.46
7.3.30.0000.01514.65
7.3.20.0100.00316.64
7.3.10.0080.00316.48
7.3.00.0030.01016.66
7.2.330.0030.01316.33
7.2.320.0060.01216.58
7.2.310.0100.00716.40
7.2.300.0180.00016.32
7.2.290.0140.00716.46
7.2.250.0090.00614.85
7.2.240.0070.01414.80
7.2.230.0030.01014.78
7.2.220.0080.00615.00
7.2.210.0060.00915.07
7.2.200.0080.00514.77
7.2.190.0110.00715.09
7.2.180.0070.00714.98
7.2.170.0070.00714.98
7.2.00.0060.00919.33
7.1.330.0060.00915.77
7.1.320.0040.00715.66
7.1.310.0030.00615.63
7.1.300.0120.00615.61
7.1.290.0080.00415.64
7.1.280.0100.00315.45
7.1.270.0070.01115.51
7.1.260.0130.00015.27
7.1.100.0180.00017.60
7.1.70.0000.01017.09
7.1.60.0040.02119.52
7.1.50.0110.00716.72
7.1.00.0000.08022.31
7.0.200.0000.00916.52
7.0.100.0070.07320.08
7.0.90.0070.07019.88
7.0.80.0130.09019.88
7.0.70.0070.04720.13
7.0.60.0070.04319.93
7.0.50.0300.08320.36
7.0.40.0070.08720.00
7.0.30.0130.07720.10
7.0.20.0100.07320.09
7.0.10.0100.04720.17
7.0.00.0030.08719.99
5.6.280.0000.03321.03
5.6.250.0070.07020.67
5.6.240.0070.07320.67
5.6.230.0130.07720.63
5.6.220.0030.08720.59
5.6.210.0130.07020.59
5.6.200.0030.05721.11
5.6.190.0170.07321.04
5.6.180.0100.08021.02
5.6.170.0130.07321.14
5.6.160.0070.08721.03
5.6.150.0100.08321.04
5.6.140.0070.04720.96
5.6.130.0130.07721.02
5.6.120.0070.05021.06
5.6.110.0100.07321.05
5.6.100.0170.07020.95
5.6.90.0170.07720.95
5.6.80.0030.08320.43
5.6.70.0100.07320.33
5.6.60.0070.06020.41
5.6.50.0130.07320.41
5.6.40.0200.03020.41
5.6.30.0100.04720.32
5.6.20.0100.07320.38
5.6.10.0030.06320.45
5.6.00.0030.06020.46
5.5.380.0000.08020.50
5.5.370.0030.05020.55
5.5.360.0100.07720.41
5.5.350.0170.07720.43
5.5.340.0100.08320.92
5.5.330.0070.06720.73
5.5.320.0130.04720.84
5.5.310.0130.07020.80
5.5.300.0100.07720.80
5.5.290.0200.05320.65
5.5.280.0100.06720.78
5.5.270.0100.08020.74
5.5.260.0100.07720.92
5.5.250.0030.08720.70
5.5.240.0000.05320.32
5.5.230.0130.04020.30
5.5.220.0030.04720.25
5.5.210.0000.04020.16
5.5.200.0100.07720.29
5.5.190.0130.06320.15
5.5.180.0030.08320.16
5.5.160.0100.05020.07
5.5.150.0070.06020.18
5.5.140.0000.08320.24
5.5.130.0030.06020.26
5.5.120.0200.06320.09
5.5.110.0030.04320.21
5.5.100.0170.06020.09
5.5.90.0070.07320.12
5.5.80.0130.07020.07
5.5.70.0100.07319.95
5.5.60.0070.07320.15
5.5.50.0100.06719.96
5.5.40.0100.04320.09
5.5.30.0130.03720.05
5.5.20.0100.09019.93
5.5.10.0070.07719.98
5.5.00.0070.08019.94

preferences:
38.61 ms | 401 KiB | 5 Q