3v4l.org

run code in 300+ PHP versions simultaneously
<?php class A { public function __construct( public $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)
8.4.120.0090.01020.92
8.4.110.0120.00822.57
8.4.100.0140.00718.67
8.4.90.0100.01019.07
8.4.80.0060.00320.56
8.4.70.0070.00619.48
8.4.60.0150.00518.68
8.4.50.0100.00918.55
8.4.40.0110.00817.89
8.4.30.0080.00820.17
8.4.20.0160.00317.89
8.4.10.0040.00420.78
8.3.250.0080.01019.04
8.3.240.0120.00817.17
8.3.230.0060.00616.54
8.3.220.0050.00318.89
8.3.210.0050.00316.81
8.3.200.0120.00716.70
8.3.190.0100.01217.25
8.3.180.0100.00818.35
8.3.170.0120.00618.96
8.3.160.0140.00418.26
8.3.150.0070.01118.90
8.3.140.0090.00016.76
8.3.130.0100.00018.34
8.3.120.0030.01220.50
8.3.110.0040.00420.94
8.3.100.0030.00624.06
8.3.90.0070.00426.77
8.3.80.0000.01018.43
8.3.70.0180.00318.30
8.3.60.0130.00716.50
8.3.50.0100.00824.59
8.3.40.0080.00818.81
8.3.30.0040.01118.84
8.3.20.0080.00024.18
8.3.10.0080.00024.66
8.3.00.0040.00426.16
8.2.290.0090.00920.66
8.2.280.0030.00520.17
8.2.270.0120.00618.82
8.2.260.0040.00420.24
8.2.250.0040.00416.84
8.2.240.0040.01216.81
8.2.230.0060.00322.58
8.2.220.0080.00837.54
8.2.210.0040.01126.77
8.2.200.0000.00916.50
8.2.190.0060.01016.59
8.2.180.0140.00025.92
8.2.170.0110.00418.89
8.2.160.0040.01122.96
8.2.150.0070.00025.66
8.2.140.0070.00024.66
8.2.130.0070.00026.16
8.2.120.0100.00017.91
8.2.110.0070.00422.09
8.2.100.0040.00420.48
8.1.330.0120.00722.14
8.1.320.0150.00416.24
8.1.310.0100.00718.59
8.1.300.0090.00618.29
8.1.290.0030.01030.84
8.1.280.0170.00325.92
8.1.270.0040.00423.99
8.1.260.0040.01426.35
8.1.250.0050.00328.09
8.1.240.0000.00918.88
8.1.230.0060.00320.04
7.4.80.0130.00916.19
7.4.70.0100.00916.22
7.4.60.0150.00416.34
7.4.50.0120.00616.43
7.4.40.0110.00816.32
7.4.30.0100.01216.23
7.4.20.0130.00816.39
7.4.10.0070.01516.36
7.4.00.0070.01016.38
7.3.200.0090.01116.10
7.3.190.0070.01016.23
7.3.180.0100.00716.21
7.3.170.0090.01116.18
7.3.160.0090.01116.16
7.3.150.0120.00916.20
7.3.140.0110.00816.17
7.3.130.0090.01016.26
7.3.120.0110.00616.22
7.3.110.0110.00816.10
7.3.100.0100.00816.03
7.3.90.0100.00716.15
7.3.80.0100.00916.08
7.3.70.0130.00716.19
7.3.60.0100.00816.25
7.3.50.0100.00716.24
7.3.40.0100.01016.05
7.3.30.0090.01116.19
7.3.20.0110.00716.21
7.3.10.0160.01016.24
7.3.00.0100.01016.11
7.2.320.0120.00716.42
7.2.310.0060.01216.25
7.2.300.0100.00916.38
7.2.290.0090.01116.37
7.2.280.0130.00716.30
7.2.270.0110.01216.21
7.2.260.0100.00816.23
7.2.250.0100.00916.32
7.2.240.0090.01116.35
7.2.230.0080.01216.23
7.2.220.0100.00716.32
7.2.210.0110.00616.42
7.2.200.0080.01316.32
7.2.190.0100.00816.16
7.2.180.0110.01016.32
7.2.170.0060.01616.27
7.2.160.0130.00716.38
7.2.150.0140.00616.16
7.2.140.0100.00916.33
7.2.130.0130.00816.19
7.2.120.0110.01316.39
7.2.110.0120.01116.33
7.2.100.0080.01216.27
7.2.90.0150.00616.34
7.2.80.0090.01116.31
7.2.70.0140.00616.40
7.2.60.0070.01316.17
7.2.50.0130.00716.17
7.2.40.0110.00816.28
7.2.30.0090.00916.27
7.2.20.0100.00916.36
7.2.10.0110.00916.26
7.2.00.0110.00916.17

preferences:
27.14 ms | 403 KiB | 5 Q