3v4l.org

run code in 500+ PHP versions simultaneously
<?php class FooRequest { public ?string $foo; } $a = new FooRequest(); $p = new ReflectionProperty(FooRequest::class, 'foo'); #var_dump(isset($a->foo)); #var_dump(property_exists($a, 'foo')); var_dump($p->isInitialized($a)); $a2 = new FooRequest(); $a2->foo = null; #var_dump(isset($a2->foo)); #var_dump(property_exists($a2,'foo')); var_dump($p->isInitialized($a2)); $a3 = new FooRequest(); $a3->foo = 'foobar'; #var_dump(isset($a3->foo)); #var_dump(property_exists($a3,'foo')); var_dump($p->isInitialized($a3));

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)
8.5.70.0080.00916.83
8.5.60.0070.00816.77
8.5.50.0030.00516.75
8.5.30.0130.00518.78
8.5.20.0100.00716.66
8.5.10.0110.00916.48
8.5.00.0120.01019.92
8.4.220.0060.00619.54
8.4.210.0100.01119.49
8.4.180.0140.00919.68
8.4.170.0160.00720.57
8.4.160.0100.01120.37
8.4.150.0080.00416.89
8.4.140.0140.00817.81
8.4.130.0050.00517.91
8.4.120.0120.00820.63
8.4.110.0140.00622.39
8.4.100.0110.00917.66
8.4.90.0120.00918.91
8.4.80.0060.00417.84
8.4.70.0090.01117.61
8.4.60.0070.00920.56
8.4.50.0060.00317.86
8.4.40.0070.01317.67
8.4.30.0000.01218.70
8.4.20.0090.01217.85
8.4.10.0160.00325.80
8.3.310.0090.01219.98
8.3.300.0110.00920.86
8.3.290.0110.00920.84
8.3.280.0140.00618.51
8.3.270.0150.00416.36
8.3.260.0110.00816.41
8.3.250.0120.00719.16
8.3.240.0070.00616.62
8.3.230.0080.01216.80
8.3.220.0050.00319.10
8.3.210.0080.00416.44
8.3.200.0060.00316.53
8.3.190.0050.00417.02
8.3.180.0130.00816.54
8.3.170.0050.00316.70
8.3.160.0150.00416.59
8.3.150.0130.00316.73
8.3.140.0060.00317.04
8.3.130.0040.00418.46
8.3.120.0040.01518.86
8.3.110.0060.00320.94
8.3.100.0060.00318.14
8.3.90.0070.00326.77
8.3.80.0060.00319.36
8.3.70.0040.01116.63
8.3.60.0040.01118.30
8.3.50.0070.01424.41
8.3.40.0040.01118.50
8.3.30.0130.00318.48
8.3.20.0050.00324.18
8.3.10.0040.00424.66
8.3.00.0030.00526.16
8.2.310.0100.00918.01
8.2.300.0130.00821.96
8.2.290.0130.00720.66
8.2.280.0130.00518.54
8.2.270.0090.00917.56
8.2.260.0080.00018.24
8.2.250.0020.00516.82
8.2.240.0060.00317.16
8.2.230.0030.00622.58
8.2.220.0100.00724.06
8.2.210.0080.00026.77
8.2.200.0060.00318.88
8.2.190.0040.01118.31
8.2.180.0120.00925.92
8.2.170.0090.00618.79
8.2.160.0070.01122.96
8.2.150.0040.00425.66
8.2.140.0040.00424.66
8.2.130.0070.00026.16
8.2.120.0040.00426.35
8.2.110.0070.00320.43
8.2.100.0060.00617.78
8.2.90.0000.00817.70
8.2.80.0050.00318.20
8.2.70.0000.00817.63
8.2.60.0050.00517.50
8.2.50.0060.00319.10
8.2.40.0030.00617.62
8.2.30.0070.00018.08
8.2.20.0040.00417.95
8.2.10.0030.00320.56
8.2.00.0000.00819.26
8.1.340.0080.01321.57
8.1.330.0110.00821.75
8.1.320.0130.00616.17
8.1.310.0060.01016.24
8.1.300.0090.00018.43
8.1.290.0000.00930.84
8.1.280.0130.00325.92
8.1.270.0060.00320.66
8.1.260.0040.00428.09
8.1.250.0040.00428.09
8.1.240.0070.01022.08
8.1.230.0040.00722.05
8.1.220.0040.00417.74
8.1.210.0040.00418.77
8.1.200.0000.00817.35
8.1.190.0090.00017.13
8.1.180.0000.00718.10
8.1.170.0000.00818.38
8.1.160.0040.00418.81
8.1.150.0000.00718.89
8.1.140.0040.00418.84
8.1.130.0060.00317.31
8.1.120.0000.00717.42
8.1.110.0070.00017.48
8.1.100.0000.00717.44
8.1.90.0050.00217.27
8.1.80.0030.00717.43
8.1.70.0000.00817.31
8.1.60.0040.00417.45
8.1.50.0000.00817.36
8.1.40.0000.00917.44
8.1.30.0040.00417.59
8.1.20.0040.00417.62
8.1.10.0000.01117.56
8.1.00.0020.01017.46
8.0.300.0070.00019.86
8.0.290.0000.00816.63
8.0.280.0070.00018.46
8.0.270.0070.00017.88
8.0.260.0000.00716.79
8.0.250.0050.00216.92
8.0.240.0060.00016.89
8.0.230.0030.00316.82
8.0.220.0030.00316.84
8.0.210.0000.00716.79
8.0.200.0030.00316.87
8.0.190.0000.00716.90
8.0.180.0040.00416.77
8.0.170.0000.00816.78
8.0.160.0030.00316.82
8.0.150.0000.00716.76
8.0.140.0000.00816.79
8.0.130.0030.00313.30
8.0.120.0040.00416.81
8.0.110.0040.00416.77
8.0.100.0000.00716.63
8.0.90.0070.00016.84
8.0.80.0050.01116.87
8.0.70.0000.00716.73
8.0.60.0040.00416.67
8.0.50.0040.00416.73
8.0.30.0140.00316.89
8.0.20.0120.00717.40
8.0.10.0190.00717.40
8.0.00.0180.00617.40
7.4.330.0020.00216.67
7.4.320.0030.00316.57
7.4.300.0070.00016.57
7.4.290.0040.00416.40
7.4.280.0030.00516.45
7.4.270.0030.00316.54
7.4.260.0050.00013.15
7.4.250.0040.00416.52
7.4.240.0000.00816.43
7.4.230.0070.00016.40
7.4.220.0040.00416.52
7.4.210.0070.00816.49
7.4.200.0060.00016.29
7.4.150.0030.02017.40
7.4.140.0170.00717.40
7.4.130.0170.00617.40
7.4.120.0150.00617.40
7.4.110.0130.01317.40
7.4.100.0130.01017.40
7.4.90.0160.00617.40
7.4.80.0090.01217.40
7.4.70.0130.01017.40
7.4.60.0120.00917.40
7.4.50.0000.02217.40
7.4.40.0100.01017.40
7.4.30.0120.00817.40
7.4.20.0100.01117.40
7.4.10.0100.00917.40
7.4.00.0040.01417.40
7.3.330.0070.00016.23
7.3.320.0030.00313.24
7.3.310.0060.00016.26
7.3.300.0000.00616.13
7.3.290.0090.00716.17
7.3.270.0130.01017.40
7.3.260.0120.00717.40
7.3.250.0140.00517.40
7.3.240.0110.00817.40
7.3.230.0030.01917.40
7.3.220.0040.01617.40
7.3.210.0040.01417.40
7.3.200.0070.01417.40
7.3.190.0110.01117.40
7.3.180.0170.00317.40
7.3.170.0120.00817.40
7.3.160.0080.01117.40
7.3.150.0150.00417.40
7.3.140.0080.00917.40
7.3.130.0160.00417.40
7.3.120.0120.00617.40
7.3.110.0090.00917.40
7.3.100.0090.00917.40
7.3.90.0120.00917.40
7.3.80.0090.00917.40
7.3.70.0130.00617.40
7.3.60.0140.00317.40
7.3.50.0100.01017.40
7.3.40.0210.00017.40
7.3.30.0170.00617.40
7.3.20.0320.00617.40
7.3.10.0150.00517.40
7.3.00.0110.00817.40

preferences:
105.13 ms | 1390 KiB | 5 Q