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run code in 300+ PHP versions simultaneously
<?php class SomeClass { protected string|stdClass $a; } $unionType = (new \ReflectionClass(SomeClass::class))->getProperty('a')->getType(); var_dump($unionType->isBuiltin());

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)
8.3.60.0140.00716.75
8.3.50.0120.00916.43
8.3.40.0100.00321.89
8.3.30.0120.00318.61
8.3.20.0070.00024.18
8.3.10.0040.00424.66
8.3.00.0000.00726.16
8.2.180.0070.01525.92
8.2.170.0120.00619.00
8.2.160.0160.00322.96
8.2.150.0080.00025.66
8.2.140.0000.00924.66
8.2.130.0000.00726.16
8.2.120.0050.00326.35
8.2.110.0100.00020.48
8.2.100.0090.00019.20
8.1.280.0040.01125.92
8.1.270.0000.00823.99
8.1.260.0050.00328.09
8.1.250.0080.00028.09
8.1.240.0030.00718.33
8.1.230.0030.00620.17
7.4.110.0070.01016.33
7.4.100.0130.00416.16
7.4.90.0150.00416.25
7.4.80.0120.00416.40
7.4.70.0120.00616.18
7.4.60.0090.00916.45
7.4.50.0030.01316.29
7.4.40.0110.00716.34
7.4.30.0070.01016.26
7.4.20.0000.01716.30
7.4.10.0070.01016.36
7.4.00.0140.00316.52
7.3.230.0100.00616.17
7.3.220.0130.00316.20
7.3.210.0110.00816.17
7.3.200.0040.01516.13
7.3.190.0080.00816.21
7.3.180.0060.01116.33
7.3.170.0100.00716.27
7.3.160.0130.00616.09
7.3.150.0110.00616.23
7.3.140.0030.01316.09
7.3.130.0040.01216.23
7.3.120.0130.00316.17
7.3.110.0130.00316.25
7.3.100.0120.00616.16
7.3.90.0000.02016.35
7.3.80.0060.00916.37
7.3.70.0080.00816.11
7.3.60.0060.01216.07
7.3.50.0140.00416.18
7.3.40.0100.00615.98
7.3.30.0080.00816.10
7.3.20.0130.00317.84
7.3.10.0120.00617.95
7.3.00.0110.00718.00
7.2.340.0130.00316.40
7.2.330.0110.00616.53
7.2.320.0070.01016.25
7.2.310.0080.00816.25
7.2.300.0120.00816.44
7.2.290.0090.00916.23
7.2.280.0030.01416.03
7.2.270.0130.00416.41
7.2.260.0060.01016.43
7.2.250.0070.01016.14
7.2.240.0060.01116.22
7.2.230.0070.01016.47
7.2.220.0130.00316.18
7.2.210.0030.01416.23
7.2.200.0110.00616.32
7.2.190.0130.00716.24
7.2.180.0100.00716.41
7.2.170.0070.01016.28
7.2.160.0090.00916.20
7.2.150.0090.00918.26
7.2.140.0110.00717.83
7.2.130.0080.00918.29
7.2.120.0030.01417.91
7.2.110.0030.01618.05
7.2.100.0110.00817.76
7.2.90.0190.00618.00
7.2.80.0120.00617.95
7.2.70.0060.01218.09
7.2.60.0140.00318.13
7.2.50.0120.00618.19
7.2.40.0050.01518.01
7.2.30.0160.00318.16
7.2.20.0110.00718.34
7.2.10.0030.01418.31
7.2.00.0120.01217.93

preferences:
44.5 ms | 400 KiB | 5 Q