3v4l.org

run code in 300+ PHP versions simultaneously
<?php class A { public function __construct( public int $a = 1 ) {} } class B extends A { public function __construct( public string $b = 'hello' ) {} } $b = new B(); $b=1; var_dump($b->a, $b->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)
8.4.120.0120.00820.30
8.4.110.0120.00422.39
8.4.100.0130.00817.67
8.4.90.0090.01018.03
8.4.80.0140.00318.14
8.4.70.0120.00817.81
8.4.60.0130.00717.78
8.4.50.0060.00519.58
8.4.40.0120.00817.84
8.4.30.0110.00820.27
8.4.20.0160.00018.10
8.4.10.0090.00022.57
8.3.250.0120.00718.63
8.3.240.0150.00516.83
8.3.230.0030.00716.86
8.3.220.0080.00617.37
8.3.210.0090.00816.76
8.3.200.0160.00516.64
8.3.190.0110.00816.50
8.3.180.0080.01016.82
8.3.170.0030.01220.83
8.3.160.0120.00316.64
8.3.150.0110.00717.16
8.3.140.0050.00318.48
8.3.130.0040.00418.70
8.3.120.0090.00620.78
8.3.110.0070.00316.75
8.3.100.0000.01624.06
8.3.90.0040.00426.77
8.3.80.0030.00616.88
8.3.70.0060.01216.88
8.3.60.0070.00718.55
8.3.50.0120.00723.71
8.3.40.0060.00918.97
8.3.30.0090.00618.70
8.3.20.0040.00424.18
8.3.10.0070.00024.66
8.3.00.0070.00026.16
8.2.290.0120.00720.58
8.2.280.0120.00716.85
8.2.270.0110.00717.25
8.2.260.0070.01118.53
8.2.250.0080.00018.55
8.2.240.0000.00916.90
8.2.230.0030.00720.94
8.2.220.0070.00437.54
8.2.210.0110.00426.77
8.2.200.0070.00316.50
8.2.190.0070.01416.58
8.2.180.0150.00625.92
8.2.170.0090.00618.92
8.2.160.0100.00322.96
8.2.150.0000.00825.66
8.2.140.0080.00024.66
8.2.130.0030.00326.16
8.2.120.0070.00020.97
8.2.110.0040.00720.47
8.2.100.0060.00320.58
8.1.330.0110.00723.68
8.1.320.0140.00718.07
8.1.310.0090.00016.58
8.1.300.0090.00918.08
8.1.290.0060.00318.88
8.1.280.0110.00325.92
8.1.270.0080.00023.99
8.1.260.0030.00626.35
8.1.250.0040.00428.09
8.1.240.0070.00319.87
8.1.230.0030.00618.86
7.4.80.0070.01216.18
7.4.70.0110.01115.98
7.4.60.0070.01316.36
7.4.50.0130.00616.09
7.4.40.0070.01316.09
7.4.30.0090.00916.14
7.4.20.0050.01516.38
7.4.10.0140.00516.43
7.4.00.0080.01116.30
7.3.200.0130.00716.24
7.3.190.0040.01616.20
7.3.180.0130.00416.16
7.3.170.0060.01116.11
7.3.160.0090.01216.05
7.3.150.0100.01016.09
7.3.140.0040.01416.16
7.3.130.0070.01215.97
7.3.120.0100.01016.06
7.3.110.0030.01316.16
7.3.100.0090.01016.11
7.3.90.0100.00816.13
7.3.80.0090.00816.09
7.3.70.0100.01116.17
7.3.60.0140.00816.12
7.3.50.0140.00816.01
7.3.40.0120.01016.00
7.3.30.0110.00816.15
7.3.20.0130.00916.16
7.3.10.0090.01016.09
7.3.00.0110.00916.06
7.2.320.0110.00716.30
7.2.310.0070.01316.17
7.2.300.0120.00616.29
7.2.290.0130.00916.16
7.2.280.0120.00716.26
7.2.270.0060.01116.31
7.2.260.0130.00916.16
7.2.250.0080.01516.41
7.2.240.0100.01216.13
7.2.230.0080.01116.12
7.2.220.0100.00716.30
7.2.210.0030.01516.27
7.2.200.0100.01116.29
7.2.190.0130.01016.22
7.2.180.0150.00316.16
7.2.170.0100.01416.25
7.2.160.0100.01116.17
7.2.150.0080.01116.27
7.2.140.0040.01416.36
7.2.130.0120.00916.42
7.2.120.0100.00716.36
7.2.110.0360.01316.26
7.2.100.0050.01616.14
7.2.90.0150.00716.19
7.2.80.0110.01016.27
7.2.70.0080.01616.14
7.2.60.0100.01316.22
7.2.50.0100.01116.38
7.2.40.0100.01216.30
7.2.30.0140.00916.28
7.2.20.0080.01116.34
7.2.10.0110.00816.37
7.2.00.0170.00616.43

preferences:
31.54 ms | 406 KiB | 6 Q