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' ) {} } $b = new B(); var_dump($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)
8.4.120.0120.00822.30
8.4.110.0120.00822.31
8.4.100.0100.01019.15
8.4.90.0120.00720.52
8.4.80.0110.00918.88
8.4.70.0130.00718.93
8.4.60.0150.00624.05
8.4.50.0120.00918.68
8.4.40.0070.01317.78
8.4.30.0120.00920.71
8.4.20.0130.00617.71
8.4.10.0030.00620.37
8.3.250.0120.00618.80
8.3.240.0110.00816.55
8.3.230.0100.00816.86
8.3.220.0090.00819.10
8.3.210.0050.00318.52
8.3.200.0060.00216.55
8.3.190.0040.00417.11
8.3.180.0100.01016.62
8.3.170.0100.01020.86
8.3.160.0000.01818.52
8.3.150.0110.00717.29
8.3.140.0030.00617.05
8.3.130.0040.00418.57
8.3.120.0060.01019.18
8.3.110.0040.00420.94
8.3.100.0030.00624.06
8.3.90.0040.00426.77
8.3.80.0030.00916.50
8.3.70.0110.00418.52
8.3.60.0090.00618.65
8.3.50.0100.00824.57
8.3.40.0100.01018.84
8.3.30.0140.00018.69
8.3.20.0000.00924.18
8.3.10.0040.00424.66
8.3.00.0050.00226.16
8.2.290.0090.00920.72
8.2.280.0130.00718.38
8.2.270.0120.00617.04
8.2.260.0000.00816.63
8.2.250.0080.00018.52
8.2.240.0070.01117.05
8.2.230.0060.00322.58
8.2.220.0040.01537.54
8.2.210.0040.00426.77
8.2.200.0030.00616.50
8.2.190.0070.00716.58
8.2.180.0120.00325.92
8.2.170.0110.00719.04
8.2.160.0120.00822.96
8.2.150.0050.00525.66
8.2.140.0000.00824.66
8.2.130.0020.00526.16
8.2.120.0070.00019.95
8.2.110.0040.00820.46
8.2.100.0060.00320.57
8.1.330.0100.00821.87
8.1.320.0100.01216.31
8.1.310.0140.00318.44
8.1.300.0090.00917.80
8.1.290.0070.00330.84
8.1.280.0040.01125.92
8.1.270.0070.00024.66
8.1.260.0040.00426.35
8.1.250.0080.00028.09
8.1.240.0080.00319.98
8.1.230.0030.00718.87
8.1.10.0090.00717.56
7.4.80.0120.01016.32
7.4.70.0140.01016.28
7.4.60.0150.00916.23
7.4.50.0140.00916.33
7.4.40.0100.01016.14
7.4.30.0070.01216.28
7.4.20.0120.00716.33
7.4.10.0120.00916.29
7.4.00.0100.00816.30
7.3.200.0130.01016.19
7.3.190.0110.01116.18
7.3.180.0130.00916.22
7.3.170.0160.00716.18
7.3.160.0090.01016.22
7.3.150.0110.00916.23
7.3.140.0150.00716.23
7.3.130.0120.00816.27
7.3.120.0120.00716.17
7.3.110.0110.00916.16
7.3.100.0070.01316.17
7.3.90.0090.01116.17
7.3.80.0100.00916.23
7.3.70.0100.00916.13
7.3.60.0100.00916.15
7.3.50.0090.01016.15
7.3.40.0120.00716.12
7.3.30.0100.00916.15
7.3.20.0120.00916.20
7.3.10.0090.01216.21
7.3.00.0310.01116.15
7.2.320.0120.01016.24
7.2.310.0140.01116.32
7.2.300.0170.00716.36
7.2.290.0110.01016.29
7.2.280.0090.01116.22
7.2.270.0120.00916.24
7.2.260.0060.01516.29
7.2.250.0100.01116.35
7.2.240.0100.00916.31
7.2.230.0090.01216.34
7.2.220.0070.01216.31
7.2.210.0110.00816.32
7.2.200.0120.00716.28
7.2.190.0080.01116.21
7.2.180.0090.01016.25
7.2.170.0070.01216.29
7.2.160.0090.01116.28
7.2.150.0110.01116.37
7.2.140.0100.01216.33
7.2.130.0130.00916.28
7.2.120.0120.01016.39
7.2.110.0100.01116.36
7.2.100.0200.00916.31
7.2.90.0110.01116.36
7.2.80.0120.00916.39
7.2.70.0130.00916.25
7.2.60.0140.00716.36
7.2.50.0100.01116.29
7.2.40.0120.01016.40
7.2.30.0090.01216.38
7.2.20.0120.01016.33
7.2.10.0110.01016.38
7.2.00.0110.00816.34

preferences:
27.05 ms | 403 KiB | 5 Q