3v4l.org

run code in 300+ PHP versions simultaneously
<?php class A { } class B extends A { } $a = new A(); $b = new B(); var_dump($a); var_dump($a instanceof A); var_dump($a instanceof B); var_dump($b); var_dump($b instanceof A); var_dump($b instanceof 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)
8.3.60.0070.00718.05
8.3.50.0090.00618.20
8.3.40.0150.00418.85
8.3.30.0140.00018.58
8.3.20.0070.00020.78
8.3.10.0040.00423.53
8.3.00.0050.00221.73
8.2.180.0070.00716.50
8.2.170.0110.00418.97
8.2.160.0100.01022.96
8.2.150.0050.00325.66
8.2.140.0040.00424.66
8.2.130.0020.00526.16
8.2.120.0040.00418.77
8.2.110.0050.00522.06
8.2.100.0060.00617.78
8.2.90.0080.00017.63
8.2.80.0040.00418.61
8.2.70.0090.00017.50
8.2.60.0060.00317.90
8.2.50.0080.00018.07
8.2.40.0040.00417.91
8.2.30.0040.00417.98
8.2.20.0050.00318.05
8.2.10.0000.00719.18
8.2.00.0000.00817.98
8.1.280.0060.00925.92
8.1.270.0000.00724.66
8.1.260.0040.00426.35
8.1.250.0050.00328.09
8.1.240.0030.00623.96
8.1.230.0040.00717.76
8.1.220.0060.00317.74
8.1.210.0040.00418.77
8.1.200.0040.00417.10
8.1.190.0030.00717.10
8.1.180.0050.00318.10
8.1.170.0040.00418.77
8.1.160.0030.00518.80
8.1.150.0040.00418.87
8.1.140.0030.00618.73
8.1.130.0060.00320.17
8.1.120.0000.00717.40
8.1.110.0080.00017.31
8.1.100.0040.00417.30
8.1.90.0040.00417.39
8.1.80.0030.00517.35
8.1.70.0080.00017.36
8.1.60.0040.00417.54
8.1.50.0000.00817.44
8.1.40.0030.00617.34
8.1.30.0060.00317.47
8.1.20.0000.00817.57
8.1.10.0000.00817.50
8.1.00.0000.00817.39
8.0.300.0040.00418.97
8.0.290.0060.00316.58
8.0.280.0070.00018.34
8.0.270.0050.00317.18
8.0.260.0030.00318.37
8.0.250.0030.00316.89
8.0.240.0000.00616.75
8.0.230.0070.00016.88
8.0.220.0000.00716.82
8.0.210.0000.00716.71
8.0.200.0080.00016.89
8.0.190.0060.00316.75
8.0.180.0040.00416.84
8.0.170.0060.00316.87
8.0.160.0030.00716.82
8.0.150.0030.00316.79
8.0.140.0000.00816.82
8.0.130.0030.00313.16
8.0.120.0000.00816.81
8.0.110.0000.00816.84
8.0.100.0070.00016.66
8.0.90.0000.00816.62
8.0.80.0070.01316.77
8.0.70.0000.00816.68
8.0.60.0000.00716.70
8.0.50.0040.00316.79
8.0.30.0100.00816.78
8.0.20.0160.00416.90
8.0.10.0000.00716.84
8.0.00.0080.01016.63
7.4.330.0000.00415.55
7.4.320.0060.00016.45
7.4.300.0030.00316.44
7.4.290.0060.00016.48
7.4.280.0060.00316.48
7.4.270.0070.00016.54
7.4.260.0070.00016.34
7.4.250.0030.00316.50
7.4.240.0000.00716.46
7.4.230.0030.00316.23
7.4.220.0050.00216.18
7.4.210.0070.01016.42
7.4.200.0070.00016.56
7.4.160.0090.00816.45
7.4.140.0160.00717.86
7.4.130.0160.00316.22
7.4.120.0140.00316.50
7.4.110.0070.01016.32
7.4.100.0060.01216.40
7.4.90.0100.00616.41
7.4.80.0110.00819.39
7.4.70.0100.00916.27
7.4.60.0110.00516.41
7.4.50.0100.00716.11
7.4.40.0070.01016.26
7.4.00.0080.00314.92
7.3.330.0000.00513.25
7.3.320.0030.00313.10
7.3.310.0030.00316.22
7.3.300.0000.00816.21
7.3.290.0060.00016.26
7.3.280.0040.01216.24
7.3.260.0090.01016.41
7.3.240.0090.00816.30
7.3.230.0130.00216.23
7.3.210.0100.00716.46
7.3.200.0030.02216.34
7.3.190.0210.00316.50
7.3.180.0120.00616.19
7.3.170.0100.00716.16
7.3.160.0120.00316.16
7.3.10.0890.00414.69
7.3.00.0920.00014.67
7.2.330.0090.00916.46
7.2.320.0130.00416.67
7.2.310.0030.01316.69
7.2.300.0050.01116.52
7.2.290.0080.01616.41
7.2.130.0930.01015.12
7.2.120.1240.01014.77
7.2.110.1040.01014.79
7.2.100.0940.00014.74
7.2.90.0770.01015.11
7.2.80.0920.00714.71
7.2.70.1030.01015.12
7.2.60.0910.00314.90
7.2.50.0780.01014.98
7.2.40.1050.00314.74
7.2.30.1470.00714.82
7.2.20.1850.00014.74
7.2.10.1390.00715.11
7.2.00.1420.00615.14
7.1.250.1010.01013.95

preferences:
23.05 ms | 400 KiB | 5 Q