3v4l.org

run code in 300+ PHP versions simultaneously
<?php class C { public ?int $v = 123; } $x = new C; unset($x->v); $y = new C; $y->v = null; function propertyWasUnset($object, $propertyName) { try { $object->{$propertyName}; return true; } catch (\Error $e) { return false; } } var_dump(propertyWasUnset($x, 'v')); var_dump(propertyWasUnset($y, 'v'));

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)
8.3.70.0140.00316.63
8.3.60.0140.00418.40
8.3.50.0110.00418.33
8.3.40.0070.01321.90
8.3.30.0070.00718.97
8.3.20.0040.00424.18
8.3.10.0040.00424.66
8.3.00.0000.00826.16
8.2.190.0070.00716.58
8.2.180.0120.00325.92
8.2.170.0110.00419.08
8.2.160.0130.00322.96
8.2.150.0080.00025.66
8.2.140.0040.00424.66
8.2.130.0030.00526.16
8.2.120.0070.00726.16
8.2.110.0030.00620.77
8.2.100.0060.00617.77
8.2.90.0040.00419.13
8.2.80.0040.00418.22
8.2.70.0040.00417.50
8.2.60.0000.00817.91
8.2.50.0030.00818.07
8.2.40.0040.00418.16
8.2.30.0080.00018.07
8.2.20.0000.00718.14
8.2.10.0070.00319.26
8.2.00.0040.00419.26
8.1.280.0090.00625.92
8.1.270.0050.00323.99
8.1.260.0070.00026.35
8.1.250.0050.00328.09
8.1.240.0090.00022.68
8.1.230.0090.00317.57
8.1.220.0000.00817.78
8.1.210.0000.00818.77
8.1.200.0060.00317.47
8.1.190.0050.00317.35
8.1.180.0040.00421.95
8.1.170.0000.00818.65
8.1.160.0050.00218.91
8.1.150.0000.00818.64
8.1.140.0040.00420.79
8.1.130.0030.00318.89
8.1.120.0050.00217.47
8.1.110.0040.00417.47
8.1.100.0070.00017.39
8.1.90.0070.00017.37
8.1.80.0000.00717.41
8.1.70.0040.00417.45
8.1.60.0000.00817.64
8.1.50.0030.00617.53
8.1.40.0000.00817.45
8.1.30.0000.00817.67
8.1.20.0000.00817.54
8.1.10.0000.00817.64
8.1.00.0040.00417.59
8.0.300.0050.00218.77
8.0.290.0040.00416.63
8.0.280.0070.00018.45
8.0.270.0070.00018.08
8.0.260.0000.00618.59
8.0.250.0040.00416.96
8.0.240.0070.00016.86
8.0.230.0000.00717.00
8.0.220.0000.00716.96
8.0.210.0000.00716.86
8.0.200.0000.00817.00
8.0.190.0080.00016.98
8.0.180.0040.00416.95
8.0.170.0040.00416.98
8.0.160.0000.00816.93
8.0.150.0070.00016.97
8.0.140.0040.00416.95
8.0.130.0000.00613.44
8.0.120.0000.00816.83
8.0.110.0000.00816.89
8.0.100.0040.00416.95
8.0.90.0000.00716.98
8.0.80.0000.00716.80
8.0.70.0050.00216.96
8.0.60.0070.00016.92
8.0.50.0040.00416.96
8.0.30.0000.00716.84
8.0.20.0090.00016.93
8.0.10.0030.00616.86
8.0.00.0030.00617.09
7.4.330.0060.00015.55
7.4.320.0000.00616.37
7.4.300.0030.00316.61
7.4.290.0030.00516.48
7.4.280.0040.00416.52
7.4.270.0070.00016.58
7.4.260.0000.00716.43
7.4.250.0030.00416.56
7.4.240.0000.00716.62
7.4.230.0040.00416.64
7.4.220.0000.00716.64
7.4.210.0080.00016.39
7.4.200.0040.00416.40
7.4.190.0030.00616.37
7.4.180.0000.00716.41
7.4.160.0000.00816.63
7.4.150.0050.00316.27
7.4.140.0070.00016.22
7.4.130.0070.00016.58
7.4.120.0070.00016.49
7.4.110.0070.00016.42
7.4.100.0000.00716.58
7.4.90.0030.00316.44
7.4.80.0030.00316.27
7.4.70.0050.00216.56
7.4.60.0000.00716.43
7.4.50.0000.00716.23
7.4.40.0030.00316.30
7.4.30.0050.00216.54
7.4.20.0000.00716.51
7.4.10.0040.00416.64
7.4.00.0000.00916.64
7.3.330.0040.00415.98
7.3.320.0060.00012.98
7.3.310.0060.00316.02
7.3.300.0030.00316.19
7.3.290.0000.00716.21
7.3.280.0000.00716.12
7.3.270.0030.00316.06
7.3.260.0060.00316.19
7.3.250.0000.00816.21
7.3.240.0040.00416.09
7.3.230.0020.00516.08
7.3.220.0000.00815.99
7.3.210.0000.00816.10
7.3.200.0000.00716.11
7.3.190.0030.00316.09
7.3.180.0070.00016.12
7.3.170.0000.00616.10
7.3.160.0070.00016.06
7.3.150.0070.00015.95
7.3.140.0000.00716.09
7.3.130.0060.00016.04
7.3.120.0030.00316.07
7.3.110.0070.00016.04
7.3.100.0030.00316.06
7.3.90.0030.00316.36
7.3.80.0030.00316.03
7.3.70.0030.00316.05
7.3.60.0040.00416.13
7.3.50.0060.00316.22
7.3.40.0030.00416.23
7.3.30.0070.00016.06
7.3.20.0000.00816.22
7.3.10.0000.00716.09
7.3.00.0070.00016.00

preferences:
17.34 ms | 401 KiB | 5 Q