3v4l.org

run code in 300+ PHP versions simultaneously
<?php class A { protected static $member_counter = 0; public static function counter() { static $counter = 0; $counter++; return $counter; } public static function member_counter(){ static::$member_counter++; return static::$member_counter; } } class B extends A { protected static $member_counter = 0; } var_dump(A::counter()); // int(1) var_dump(A::counter()); // int(2) var_dump(B::counter()); // int(3), previously int(1) var_dump(B::counter()); // int(4), previously int(2) echo '======================='.PHP_EOL; var_dump(A::member_counter()); // int(1) var_dump(A::member_counter()); // int(2) var_dump(B::member_counter()); // int(1) var_dump(B::member_counter()); // int(2)

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)
8.4.140.0150.00717.61
8.4.130.0130.00717.70
8.4.120.0050.00420.57
8.4.110.0050.01422.46
8.4.100.0100.01117.81
8.4.90.0100.01018.64
8.4.80.0130.00619.63
8.4.70.0070.01417.93
8.4.60.0060.00518.86
8.4.50.0120.00822.37
8.4.40.0100.01019.76
8.4.30.0100.01020.47
8.4.20.0070.01120.59
8.4.10.0100.01022.04
8.3.270.0080.01416.66
8.3.260.0100.00616.75
8.3.250.0120.00718.81
8.3.240.0110.00716.95
8.3.230.0110.00716.40
8.3.220.0120.00716.60
8.3.210.0130.00616.70
8.3.200.0070.00216.73
8.3.190.0090.00917.20
8.3.180.0130.00616.84
8.3.170.0030.01617.28
8.3.160.0120.00618.56
8.3.150.0090.00918.61
8.3.140.0080.00017.25
8.3.130.0080.00018.18
8.3.120.0030.00619.03
8.3.110.0100.00320.94
8.3.100.0040.00716.57
8.3.90.0080.00026.77
8.3.80.0090.00016.50
8.3.70.0140.00718.23
8.3.60.0070.01016.38
8.3.50.0110.00620.21
8.3.40.0090.00618.79
8.3.30.0080.00818.81
8.3.20.0040.00424.18
8.3.10.0040.00424.66
8.3.00.0040.00426.16
8.2.290.0090.01020.74
8.2.280.0110.00718.44
8.2.270.0130.00717.20
8.2.260.0190.00018.47
8.2.250.0030.01316.57
8.2.240.0060.00317.15
8.2.230.0040.00422.58
8.2.220.0000.01024.06
8.2.210.0040.00426.77
8.2.200.0060.00316.63
8.2.190.0140.00416.75
8.2.180.0090.00925.92
8.2.170.0100.01018.78
8.2.160.0120.00322.96
8.2.150.0080.00025.66
8.2.140.0060.00324.66
8.2.130.0070.00026.16
8.2.120.0040.00421.21
8.2.110.0070.00320.94
8.2.100.0080.00417.91
8.2.90.0040.00418.03
8.2.80.0040.00417.97
8.2.70.0050.00317.93
8.2.60.0070.00018.16
8.2.50.0000.00817.98
8.2.40.0080.00020.07
8.2.30.0050.00318.01
8.2.20.0000.00720.32
8.2.10.0030.00618.19
8.2.00.0000.00919.42
8.1.330.0120.00720.36
8.1.320.0100.00916.39
8.1.310.0140.00318.53
8.1.300.0060.00317.91
8.1.290.0060.00330.84
8.1.280.0070.00725.92
8.1.270.0050.00323.99
8.1.260.0100.01026.35
8.1.250.0070.00028.09
8.1.240.0040.00422.50
8.1.230.0040.00720.97
8.1.220.0090.00017.74
8.1.210.0050.00318.77
8.1.200.0060.00317.48
8.1.190.0030.00517.23
8.1.180.0000.00818.10
8.1.170.0040.00417.62
8.1.160.0040.00418.87
8.1.150.0070.00018.65
8.1.140.0000.00817.46
8.1.130.0000.00718.95
8.1.120.0000.00717.41
8.1.110.0040.00417.36
8.1.100.0000.00717.43
8.1.90.0000.00817.36
8.1.80.0050.00317.38
8.1.70.0100.00017.40
8.1.60.0020.00517.55
8.1.50.0050.00517.42
8.1.40.0030.00617.51
8.1.30.0030.00717.52
8.1.20.0060.00317.65
8.1.10.0050.00517.46
8.1.00.0000.01017.49
8.0.300.0000.00819.73
8.0.290.0070.00016.75
8.0.280.0040.00418.57
8.0.270.0070.00016.82
8.0.260.0000.00618.46
8.0.250.0030.00316.96
8.0.240.0040.00417.01
8.0.230.0000.00716.97
8.0.220.0000.00716.80
8.0.210.0000.00716.79
8.0.200.0030.00716.78
8.0.190.0000.00716.95
8.0.180.0030.00716.80
8.0.170.0080.00016.92
8.0.160.0030.00616.96
8.0.150.0090.00016.84
8.0.140.0070.00316.71
8.0.130.0060.00616.46
8.0.120.0060.00616.88
8.0.110.0040.00816.38
8.0.100.0070.00416.60
8.0.90.0080.00516.27
8.0.80.0050.00516.32
8.0.70.0060.00616.09
8.0.60.0080.00316.28
8.0.50.0090.00616.31
8.0.30.0000.01416.57
8.0.20.0040.00716.39
8.0.10.0060.00616.39
7.4.330.0050.00015.55
7.4.320.0060.00016.31
7.4.300.0070.00416.16
7.4.290.0090.00316.35
7.4.280.0130.00016.26
7.4.270.0110.00316.56
7.4.260.0040.01016.21
7.4.250.0080.00316.18
7.4.240.0160.00016.32
7.4.230.0050.00916.21
7.4.220.0030.00616.59
7.4.210.0120.00316.19
7.4.200.0090.00016.21
7.4.190.0090.00416.28
7.4.180.0110.00316.22
7.4.160.0070.00716.55
7.4.150.0080.00416.15
7.4.140.0100.00316.44
7.4.130.0190.00316.48
7.4.120.0170.00015.86
7.4.110.0030.00716.55
7.4.100.0040.00416.49
7.4.90.0000.00916.35
7.4.80.0070.00216.27
7.4.70.0000.01016.39
7.4.60.0110.00016.43
7.4.50.0090.00016.27
7.4.40.0000.01016.45
7.4.30.0030.00616.08
7.4.20.0030.00616.44
7.4.10.0030.00616.12
7.4.00.0000.00816.43

preferences:
32.23 ms | 403 KiB | 5 Q