3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Qwe { public function __construct(){ $this->{''} = 20; echo $this->{''}.PHP_EOL; } } ${''}=10; echo ${''}.PHP_EOL; // 10 echo ${null}.PHP_EOL; // 10 $b = new Qwe;

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)
8.3.60.0110.00716.88
8.3.50.0090.01216.41
8.3.40.0040.01118.66
8.3.30.0110.00418.67
8.3.20.0040.00420.25
8.3.10.0050.00321.95
8.3.00.0050.00317.75
8.2.180.0140.00716.50
8.2.170.0140.00422.96
8.2.160.0030.01019.07
8.2.150.0080.00824.18
8.2.140.0000.00824.66
8.2.130.0040.00426.16
8.2.120.0050.00319.76
8.2.110.0110.00021.06
8.2.100.0060.00618.03
8.2.90.0000.00919.19
8.2.80.0080.00018.03
8.2.70.0030.00517.50
8.2.60.0050.00318.03
8.2.50.0090.00018.10
8.2.40.0030.00620.59
8.2.30.0070.00319.25
8.2.20.0090.00018.17
8.2.10.0040.00418.03
8.2.00.0040.00417.99
8.1.280.0160.00325.92
8.1.270.0040.00423.93
8.1.260.0040.00426.35
8.1.250.0080.00028.09
8.1.240.0030.00622.42
8.1.230.0040.00720.95
8.1.220.0040.00417.74
8.1.210.0040.00418.77
8.1.200.0040.00417.23
8.1.190.0030.00917.36
8.1.180.0120.00018.10
8.1.170.0090.00018.66
8.1.160.0040.00419.01
8.1.150.0040.00420.67
8.1.140.0030.00519.57
8.1.130.0040.00418.89
8.1.120.0000.00717.33
8.1.110.0060.00317.41
8.1.100.0020.00517.42
8.1.90.0030.00617.40
8.1.80.0050.00217.50
8.1.70.0070.00017.45
8.1.60.0000.01117.53
8.1.50.0080.00017.43
8.1.40.0000.00717.48
8.1.30.0040.00417.66
8.1.20.0000.00717.58
8.1.10.0000.00717.56
8.1.00.0040.00417.54
8.0.300.0040.00418.77
8.0.290.0000.00716.63
8.0.280.0000.00718.41
8.0.270.0030.00317.26
8.0.260.0040.00416.87
8.0.250.0030.00516.91
8.0.240.0040.00516.95
8.0.230.0000.00716.82
8.0.220.0000.00816.88
8.0.210.0000.00816.86
8.0.200.0030.00316.93
8.0.190.0040.00716.84
8.0.180.0000.00716.91
8.0.170.0030.00316.82
8.0.160.0000.00816.90
8.0.150.0040.00416.92
8.0.140.0040.00416.81
8.0.130.0030.00313.35
8.0.120.0040.00416.75
8.0.110.0040.00416.78
8.0.100.0000.00816.66
8.0.90.0040.00416.74
8.0.80.0090.00916.77
8.0.70.0090.00016.91
8.0.60.0050.00316.69
8.0.50.0040.00416.94
8.0.30.0100.00717.10
8.0.20.0070.01217.40
8.0.10.0000.00717.07
8.0.00.0060.01216.84
7.4.330.0000.00515.55
7.4.320.0050.00216.48
7.4.300.0070.00016.41
7.4.290.0030.00716.59
7.4.280.0040.00416.50
7.4.270.0000.00716.65
7.4.260.0030.00313.19
7.4.250.0060.00316.55
7.4.240.0000.00716.52
7.4.230.0070.00016.58
7.4.220.0070.01116.55
7.4.210.0070.00716.50
7.4.200.0040.00416.50
7.4.160.0080.00816.53
7.4.150.0100.01017.40
7.4.140.0100.01017.86
7.4.130.0160.00916.42
7.4.120.0060.01316.49
7.4.110.0100.00716.57
7.4.100.0060.01316.54
7.4.90.0130.00316.54
7.4.80.0140.00419.39
7.4.70.0000.01716.63
7.4.60.0090.00616.56
7.4.50.0070.00316.61
7.4.40.0030.01416.55
7.4.30.0070.01016.47
7.4.00.0040.00715.05
7.3.330.0060.00013.30
7.3.320.0050.00013.08
7.3.310.0030.00316.11
7.3.300.0060.00016.21
7.3.290.0090.00516.27
7.3.280.0060.00916.29
7.3.270.0070.01017.40
7.3.260.0140.00916.60
7.3.250.0100.00916.23
7.3.240.0100.00916.52
7.3.230.0080.01116.45
7.3.210.0110.00916.41
7.3.200.0120.01216.20
7.3.190.0080.00816.40
7.3.180.0090.01216.29
7.3.170.0050.01116.65
7.3.160.0060.01016.20
7.2.330.0090.01016.79
7.2.320.0120.00616.71
7.2.310.0070.01016.84
7.2.300.0150.00616.54
7.2.290.0130.00316.43
7.2.60.0110.00416.91
7.2.00.0000.01019.27
7.1.200.0000.01115.73
7.1.100.0060.00618.25
7.1.70.0140.01117.14
7.1.60.0300.01734.99
7.1.50.0350.00934.79
7.1.40.0270.00634.34
7.1.30.0260.01934.39
7.1.20.0200.02034.23
7.1.10.0030.01916.40
7.1.00.0030.01716.48
7.0.200.0090.01216.70
7.0.190.0200.00216.63
7.0.180.0030.01816.05
7.0.170.0060.01116.34
7.0.160.0060.01316.34
7.0.150.0030.01716.34
7.0.140.0090.00916.57
7.0.130.0030.01716.53
7.0.120.0130.00616.39
7.0.110.0060.00916.49
7.0.100.0120.00616.47
7.0.90.0150.00316.48
7.0.80.0130.00816.34
7.0.70.0080.01416.29
7.0.60.0130.00316.18
7.0.50.0100.01016.23
7.0.40.0110.01116.48
7.0.30.0030.01216.41
7.0.20.0050.01516.36
7.0.10.0100.01016.45
7.0.00.0080.01716.36

preferences:
39.95 ms | 401 KiB | 5 Q