3v4l.org

run code in 300+ PHP versions simultaneously
<?php class P { protected $a = 8; } class A extends P { public function see(B $b) { echo $b->a; } } class B extends P { } $obj = new A(); $b = new B(); $obj->see($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)
8.3.60.0140.00318.18
8.3.50.0140.00316.19
8.3.40.0100.01018.88
8.3.30.0110.00418.85
8.3.20.0000.00724.18
8.3.10.0080.00024.66
8.3.00.0030.00626.16
8.2.180.0070.00725.92
8.2.170.0030.01719.01
8.2.160.0070.01022.96
8.2.150.0070.00025.66
8.2.140.0000.00824.66
8.2.130.0070.00026.16
8.2.120.0050.00326.35
8.2.110.0000.00820.41
8.2.100.0090.00317.91
8.2.90.0040.00417.75
8.2.80.0040.00418.77
8.2.70.0030.00617.63
8.2.60.0060.00317.93
8.2.50.0000.00818.05
8.2.40.0080.00019.94
8.2.30.0040.00418.01
8.2.20.0000.00718.05
8.2.10.0050.00219.24
8.2.00.0050.00319.22
8.1.280.0130.00625.92
8.1.270.0040.00423.99
8.1.260.0070.00028.09
8.1.250.0040.00428.09
8.1.240.0090.00020.61
8.1.230.0040.00823.77
8.1.220.0040.00417.74
8.1.210.0080.00018.77
8.1.200.0030.00517.23
8.1.190.0030.00617.10
8.1.180.0060.00618.10
8.1.170.0050.00518.50
8.1.160.0000.00719.01
8.1.150.0030.00518.82
8.1.140.0040.00418.75
8.1.130.0030.00519.98
8.1.120.0040.00417.40
8.1.110.0040.00417.36
8.1.100.0040.00417.25
8.1.90.0030.00517.28
8.1.80.0090.00017.43
8.1.70.0040.00417.37
8.1.60.0030.00617.60
8.1.50.0030.00517.43
8.1.40.0110.00017.55
8.1.30.0030.00617.64
8.1.20.0080.00017.54
8.1.10.0030.00517.58
8.1.00.0000.00817.44
8.0.300.0040.00418.77
8.0.290.0000.00716.75
8.0.280.0000.00818.45
8.0.270.0040.00418.05
8.0.260.0030.00318.50
8.0.250.0020.00516.98
8.0.240.0060.00016.99
8.0.230.0040.00416.84
8.0.220.0000.00716.85
8.0.210.0030.00316.88
8.0.200.0040.00416.84
8.0.190.0000.00716.93
8.0.180.0030.00516.84
8.0.170.0040.00416.95
8.0.160.0000.00716.89
8.0.150.0000.00716.91
8.0.140.0050.00316.82
8.0.130.0000.00513.36
8.0.120.0040.00416.91
8.0.110.0020.00516.94
8.0.100.0030.00316.89
8.0.90.0070.00016.85
8.0.80.0090.00916.85
8.0.70.0030.00516.98
8.0.60.0030.00316.91
8.0.50.0040.00416.70
8.0.30.0200.00316.93
8.0.20.0160.00817.00
8.0.10.0130.00317.02
8.0.00.0070.01017.01
7.4.330.0030.00315.55
7.4.320.0060.00016.51
7.4.300.0060.00016.59
7.4.290.0000.00716.56
7.4.280.0040.00416.50
7.4.270.0000.00816.61
7.4.260.0050.00013.25
7.4.250.0040.00416.45
7.4.240.0050.00216.61
7.4.230.0070.00016.38
7.4.220.0050.00216.47
7.4.210.0070.00716.46
7.4.200.0050.00216.36
7.4.160.0040.01116.47
7.4.150.0100.01016.44
7.4.140.0070.01016.48
7.4.130.0030.01316.61
7.4.120.0150.00916.56
7.4.110.0000.01516.49
7.4.100.0040.01116.48
7.4.90.0070.01416.48
7.4.80.0030.01216.40
7.4.70.0100.00716.52
7.4.60.0030.01216.36
7.4.50.0030.01516.41
7.4.40.0030.01816.50
7.4.30.0080.00816.55
7.4.20.0050.01116.45
7.4.10.0090.00616.40
7.4.00.0090.00616.54
7.3.330.0070.00016.09
7.3.320.0000.00513.22
7.3.310.0030.00316.23
7.3.300.0030.00316.25
7.3.290.0080.00916.20
7.3.270.0100.01016.20
7.3.260.0090.00616.26
7.3.250.0030.01416.20
7.3.240.0100.00516.13
7.3.230.0110.00416.20
7.3.220.0120.00316.14
7.3.210.0130.00816.18
7.3.200.0110.00316.06
7.3.190.0070.00716.21
7.3.180.0040.01116.11
7.3.170.0070.01416.24
7.3.160.0080.00716.16
7.3.150.0060.00916.15
7.3.140.0160.00016.23
7.3.130.0000.01516.17
7.3.120.0130.00616.05
7.3.110.0090.00616.17
7.3.100.0100.01016.09
7.3.90.0130.00616.40
7.3.80.0090.01216.14
7.3.70.0040.01016.29
7.3.60.0040.01116.34
7.3.50.0080.00616.35
7.3.40.0060.00916.32
7.3.30.0100.00716.33
7.3.20.0100.00616.36
7.3.10.0030.02016.28
7.3.00.0100.00716.26

preferences:
55.68 ms | 401 KiB | 5 Q