3v4l.org

run code in 300+ PHP versions simultaneously
<?php class A { function count() { static $var = 0; return ++$var; } } class B extends A {} $a = new A; var_dump($a->count()); var_dump($a->count()); var_dump($a->count()); $b = new B; var_dump($b->count());

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)
8.5.30.0120.00717.55
8.5.20.0100.01019.46
8.5.10.0110.00716.60
8.5.00.0100.01220.06
8.4.180.0140.00819.76
8.4.170.0110.01122.04
8.4.160.0100.01123.88
8.4.150.0090.00516.93
8.4.140.0150.00817.46
8.4.130.0140.00617.69
8.4.120.0100.01024.08
8.4.110.0100.00717.78
8.4.100.0140.00718.70
8.4.90.0080.00320.63
8.4.80.0100.01018.82
8.4.70.0040.00517.80
8.4.60.0140.00718.73
8.4.50.0070.00318.81
8.4.40.0130.01019.48
8.4.30.0130.00617.63
8.4.20.0030.01519.46
8.4.10.0140.00419.73
8.3.300.0160.00718.52
8.3.290.0120.00920.82
8.3.280.0110.00918.39
8.3.270.0130.00616.54
8.3.260.0120.00716.60
8.3.250.0120.00718.84
8.3.240.0110.00817.39
8.3.230.0140.00516.43
8.3.220.0130.00619.15
8.3.210.0040.00516.66
8.3.200.0070.00216.76
8.3.190.0100.00717.16
8.3.180.0120.00817.11
8.3.170.0170.00020.89
8.3.160.0180.00016.66
8.3.150.0000.00817.38
8.3.140.0140.00416.51
8.3.130.0040.00418.42
8.3.120.0070.00019.03
8.3.110.0060.00918.23
8.3.100.0000.00916.61
8.3.90.0000.00826.77
8.3.80.0090.00319.36
8.3.70.0140.00716.63
8.3.60.0140.00416.63
8.3.50.0130.00717.51
8.3.40.0070.01118.71
8.3.30.0160.00618.76
8.3.20.0070.00020.25
8.3.10.0060.00323.61
8.3.00.0000.00723.65
8.2.300.0120.00821.83
8.2.290.0140.00520.37
8.2.280.0120.00818.20
8.2.270.0080.01217.16
8.2.260.0130.00716.96
8.2.250.0000.01416.59
8.2.240.0030.00616.48
8.2.230.0170.00320.94
8.2.220.0090.00924.06
8.2.210.0110.00726.77
8.2.200.0100.00018.88
8.2.190.0060.01218.04
8.2.180.0190.00018.54
8.2.170.0110.00422.96
8.2.160.0100.00320.34
8.2.150.0040.00425.66
8.2.140.0090.00024.66
8.2.130.0090.00022.26
8.2.120.0080.00026.35
8.2.110.0000.01120.81
8.2.100.0110.00017.84
8.2.90.0040.00419.22
8.2.80.0050.00317.97
8.2.70.0030.00617.50
8.2.60.0060.00317.93
8.2.50.0080.00018.10
8.2.40.0050.00320.21
8.2.30.0060.00319.27
8.2.20.0040.00418.18
8.2.10.0070.00018.18
8.2.00.0050.00218.03
8.1.340.0100.01417.57
8.1.330.0100.00921.88
8.1.320.0110.00916.11
8.1.310.0100.00716.54
8.1.300.0190.00016.02
8.1.290.0060.00330.84
8.1.280.0100.01025.92
8.1.270.0080.00023.95
8.1.260.0040.00426.35
8.1.250.0070.00028.09
8.1.240.0040.00423.96
8.1.230.0000.01217.89
8.1.220.0040.00417.79
8.1.210.0080.00018.77
8.1.200.0030.00617.35
8.1.190.0080.00017.13
8.1.180.0000.00818.10
8.1.170.0040.00418.59
8.1.160.0080.00018.89
8.1.150.0000.00820.68
8.1.140.0040.00417.79
8.1.130.0030.00318.84
8.1.120.0040.00417.36
8.1.110.0040.00417.45
8.1.100.0030.00517.35
8.1.90.0000.00817.38
8.1.80.0030.00317.28
8.1.70.0040.00417.43
8.1.60.0050.00317.59
8.1.50.0000.00817.52
8.1.40.0000.00817.48
8.1.30.0030.00617.54
8.1.20.0040.00417.55
8.1.10.0000.00717.41
8.1.00.0060.00317.48
8.0.300.0040.00418.77
8.0.290.0050.00216.63
8.0.280.0000.00718.48
8.0.270.0040.00417.31
8.0.260.0000.00716.79
8.0.250.0030.00316.99
8.0.240.0000.00816.82
8.0.230.0020.00516.83
8.0.220.0000.00916.89
8.0.210.0000.00716.80
8.0.200.0040.00416.81
8.0.190.0060.00316.91
8.0.180.0030.00516.91
8.0.170.0030.00616.97
8.0.160.0040.00416.95
8.0.150.0030.00316.87
8.0.140.0000.00716.88
8.0.130.0060.00013.35
8.0.120.0040.00416.86
8.0.110.0000.00816.86
8.0.100.0000.00816.95
8.0.90.0040.00416.95
8.0.80.0100.01016.77
8.0.70.0050.00216.86
8.0.60.0000.00716.75
8.0.50.0050.00216.75
8.0.30.0070.00917.20
8.0.20.0110.00817.42
8.0.10.0080.00017.07
8.0.00.0030.01316.74
7.4.330.0030.00316.73
7.4.320.0000.00616.54
7.4.300.0060.00016.57
7.4.290.0000.00716.51
7.4.280.0040.00416.61
7.4.270.0070.00316.59
7.4.260.0000.00716.55
7.4.250.0050.00316.54
7.4.240.0070.00016.64
7.4.230.0040.00416.41
7.4.220.0180.00916.64
7.4.210.0070.00716.50
7.4.200.0040.00416.70
7.4.160.0080.00916.53
7.4.150.0140.00317.40
7.4.140.0080.01017.86
7.4.130.0160.00616.43
7.4.120.0110.00816.53
7.4.110.0100.00616.37
7.4.100.0140.00416.57
7.4.90.0100.00716.56
7.4.80.0080.00819.39
7.4.70.0110.01116.59
7.4.60.0090.00616.61
7.4.50.0040.01416.38
7.4.40.0080.00816.57
7.4.30.0100.00616.51
7.4.00.0030.01215.04
7.3.330.0050.00013.31
7.3.320.0030.00313.18
7.3.310.0050.00316.29
7.3.300.0030.00316.26
7.3.290.0080.00716.29
7.3.280.0080.00816.27
7.3.270.0120.00617.40
7.3.260.0090.00816.45
7.3.250.0090.00816.26
7.3.240.0070.01216.24
7.3.230.0170.00016.38
7.3.210.0030.01716.25
7.3.200.0070.01016.20
7.3.190.0060.01216.54
7.3.180.0060.01616.34
7.3.170.0130.00316.52
7.3.160.0090.01216.48
7.2.330.0080.00816.34
7.2.320.0170.00016.78
7.2.310.0080.01016.63
7.2.300.0130.01016.71
7.2.290.0060.01516.86
7.2.60.0060.00616.99
7.1.200.0050.00515.40
7.1.110.0070.01018.09
7.1.100.0120.00617.82
7.1.90.0030.01018.21
7.1.80.0060.00918.01
7.1.70.0030.01116.96
7.1.60.0190.01034.96
7.1.50.0210.00734.88
7.1.40.0190.01034.54
7.1.30.0100.02034.60
7.1.20.0290.01034.23
7.1.10.0090.00916.39
7.1.00.0060.01216.82
7.0.250.0060.01117.85
7.0.240.0030.01017.76
7.0.230.0030.00917.89
7.0.220.0060.00817.93
7.0.210.0070.00716.41
7.0.200.0000.01416.60
7.0.190.0040.00916.36
7.0.180.0070.00716.07
7.0.170.0030.01216.39
7.0.160.0040.01516.39
7.0.150.0070.00716.09
7.0.140.0070.00716.20
7.0.130.0060.00616.45
7.0.120.0000.01316.36
7.0.110.0040.00916.17
7.0.100.0060.00615.97
7.0.90.0090.00516.16
7.0.80.0030.01016.36
7.0.70.0030.01016.22
7.0.60.0040.00816.10
7.0.50.0030.01616.22
7.0.40.0030.01016.49
7.0.30.0060.00616.33
7.0.20.0000.01216.27
7.0.10.0030.00916.51
7.0.00.0090.00316.26

preferences:
99.57 ms | 1475 KiB | 5 Q