3v4l.org

run code in 300+ PHP versions simultaneously
<?php abstract class BaseTest { public function equals($value) { return $value instanceof static; } } class Test extends BaseTest { } class Test2 extends BaseTest { } $a = new Test(); $b = new Test(); $c = new Test2(); var_dump($a->equals($b)); var_dump($a->equals($c)); var_dump($a->equals('ahoj'));

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)
8.3.60.0030.01118.43
8.3.50.0030.01016.44
8.3.40.0140.00018.52
8.3.30.0000.01418.59
8.3.20.0070.00021.90
8.3.10.0110.00323.36
8.3.00.0110.00721.08
8.2.180.0120.00616.57
8.2.170.0100.00722.96
8.2.160.0070.00720.35
8.2.150.0080.00024.18
8.2.140.0040.00424.66
8.2.130.0070.00020.37
8.2.120.0000.00726.35
8.2.110.0030.00621.11
8.2.100.0030.00717.72
8.2.90.0050.00518.06
8.2.80.0050.00318.22
8.2.70.0000.00818.05
8.2.60.0000.00817.50
8.2.50.0030.00618.10
8.2.40.0040.00422.15
8.2.30.0040.00419.25
8.2.20.0040.00417.98
8.2.10.0000.00817.50
8.2.00.0040.00417.92
8.1.280.0140.00725.92
8.1.270.0040.00423.79
8.1.260.0030.00526.35
8.1.250.0040.00428.09
8.1.240.0030.00622.34
8.1.230.0090.00322.76
8.1.220.0030.00517.74
8.1.210.0040.00418.77
8.1.200.0040.00417.23
8.1.190.0000.00817.10
8.1.180.0050.00318.10
8.1.170.0040.00418.58
8.1.160.0030.00518.83
8.1.150.0000.00820.24
8.1.140.0040.00417.64
8.1.130.0000.00718.93
8.1.120.0060.00317.43
8.1.110.0000.00717.38
8.1.100.0000.00817.37
8.1.90.0000.00917.44
8.1.80.0050.00217.26
8.1.70.0000.00717.43
8.1.60.0040.00417.64
8.1.50.0030.00517.57
8.1.40.0050.00217.52
8.1.30.0030.00617.67
8.1.20.0040.00417.60
8.1.10.0000.00717.59
8.1.00.0000.00817.50
8.0.300.0030.00319.86
8.0.290.0040.00416.63
8.0.280.0030.00318.26
8.0.270.0040.00417.23
8.0.260.0000.00716.77
8.0.250.0030.00316.84
8.0.240.0080.00016.95
8.0.230.0050.00316.85
8.0.220.0030.00316.87
8.0.210.0040.00416.79
8.0.200.0030.00616.76
8.0.190.0070.00016.93
8.0.180.0000.00816.87
8.0.170.0030.00516.71
8.0.160.0000.00716.89
8.0.150.0050.00216.70
8.0.140.0000.00916.62
8.0.130.0030.00313.24
8.0.120.0000.00916.82
8.0.110.0040.00416.88
8.0.100.0070.00016.77
8.0.90.0000.00716.82
8.0.80.0100.00716.86
8.0.70.0040.00416.63
8.0.60.0040.00416.88
8.0.50.0000.00716.74
8.0.30.0100.01016.87
8.0.20.0090.01017.40
8.0.10.0040.00416.79
8.0.00.0130.00416.79
7.4.330.0020.00215.55
7.4.320.0000.00616.60
7.4.300.0080.00016.59
7.4.290.0000.00716.49
7.4.280.0060.00316.61
7.4.270.0060.00016.58
7.4.260.0070.00316.39
7.4.250.0040.00616.43
7.4.240.0040.00416.48
7.4.230.0060.00316.70
7.4.220.0030.00516.42
7.4.210.0090.00616.45
7.4.200.0000.00716.39
7.4.160.0100.00516.44
7.4.140.0080.01017.86
7.4.130.0170.00716.50
7.4.120.0090.00816.43
7.4.110.0090.00916.43
7.4.100.0100.00616.52
7.4.90.0140.00316.53
7.4.80.0140.00419.39
7.4.70.0000.01716.56
7.4.60.0100.00616.45
7.4.50.0120.00316.49
7.4.40.0110.00716.38
7.4.00.0110.00714.97
7.3.330.0020.00213.26
7.3.320.0000.00713.28
7.3.310.0040.00416.34
7.3.300.0070.00016.29
7.3.290.0100.00616.31
7.3.280.0060.00916.23
7.3.260.0130.00516.33
7.3.250.0130.00816.42
7.3.240.0090.01016.43
7.3.230.0110.00716.59
7.3.210.0100.00716.28
7.3.200.0110.00716.38
7.3.190.0110.00416.39
7.3.180.0040.01116.41
7.3.170.0150.00416.22
7.3.160.0040.01216.58
7.2.330.0110.00716.75
7.2.320.0070.01416.61
7.2.310.0060.01016.34
7.2.300.0090.00916.46
7.2.290.0150.00716.67
7.2.60.0030.00916.93
7.2.30.0110.01417.94
7.2.20.0140.01017.38
7.2.10.0120.01617.70
7.2.00.0120.01817.91
7.1.200.0070.00315.84
7.1.150.0130.01116.53
7.1.140.0150.00716.45
7.1.130.0170.01317.04
7.1.120.0160.01416.68
7.1.110.0190.01216.11
7.1.100.0080.00816.07
7.1.90.0140.01515.76
7.1.80.0150.01515.93
7.1.70.0180.01115.24
7.1.60.0570.02033.26
7.1.50.0370.01232.99
7.1.40.0340.01532.28
7.1.30.0330.01632.71
7.1.20.0360.01732.73
7.1.10.0120.01014.63
7.1.00.0210.01214.88

preferences:
33.67 ms | 400 KiB | 5 Q