3v4l.org

run code in 300+ PHP versions simultaneously
<?php class View { protected array $params = ['name' => ['foo']]; public function __get(string $name) { return $this->params[$name]; } } $obj = new View; $arr = []; var_dump(isset($obj->name), isset($obj->name[0]), isset($arr['name']), isset($arr['name'][0]));

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)
8.4.120.0080.01423.96
8.4.110.0090.00622.36
8.4.100.0080.01218.03
8.4.90.0120.00818.41
8.4.80.0100.01119.51
8.4.70.0060.00317.85
8.4.60.0060.00318.79
8.4.50.0070.00518.71
8.4.40.0100.01017.87
8.4.30.0130.00620.47
8.4.20.0160.00619.13
8.4.10.0040.00419.73
8.3.250.0080.00019.00
8.3.240.0120.00716.60
8.3.230.0090.00916.49
8.3.220.0110.00717.32
8.3.210.0070.00718.31
8.3.200.0050.00316.81
8.3.190.0100.00816.97
8.3.180.0050.01016.70
8.3.170.0070.00717.19
8.3.160.0050.00316.57
8.3.150.0070.01117.21
8.3.140.0160.00316.63
8.3.130.0050.00316.48
8.3.120.0260.00617.30
8.3.110.0390.00416.58
8.3.100.0380.01216.25
8.3.90.0330.01216.22
8.3.80.0340.01016.23
8.3.70.0330.01016.30
8.3.60.0360.00716.59
8.3.50.0360.01416.38
8.3.40.0280.01217.35
8.3.30.0310.00717.27
8.3.20.0380.00417.22
8.3.10.0400.00817.41
8.3.00.0190.00818.27
8.2.290.0150.00320.25
8.2.280.0020.00618.26
8.2.270.0120.00816.57
8.2.260.0080.00017.18
8.2.250.0150.00318.64
8.2.240.0330.00816.43
8.2.230.0350.00616.24
8.2.220.0310.01016.33
8.2.210.0300.01016.38
8.2.200.0270.01416.54
8.2.190.0260.01416.50
8.2.180.0310.00916.41
8.2.170.0340.00717.80
8.2.160.0300.00817.60
8.2.150.0340.00917.49
8.2.140.0340.01017.28
8.2.130.0410.00517.35
8.2.120.0310.00617.06
8.2.110.0290.00917.44
8.2.100.0360.00717.39
8.2.90.0310.00517.55
8.2.80.0270.01517.52
8.2.70.0270.00717.41
8.2.60.0210.00417.37
8.2.50.0210.00717.28
8.2.40.0250.00317.60
8.2.30.0290.01017.31
8.2.20.0260.00517.41
8.2.10.0220.00817.42
8.2.00.0220.00717.26
8.1.330.0100.00721.83
8.1.320.0120.00716.16
8.1.310.0000.00716.68
8.1.300.0260.00416.12
8.1.290.0230.00816.05
8.1.280.0300.00416.14
8.1.270.0260.00617.21
8.1.260.0290.00117.21
8.1.250.0280.00317.11
8.1.240.0230.00917.13
8.1.230.0220.00517.11
8.1.220.0230.00517.18
8.1.210.0220.00817.27
8.1.200.0250.00217.18
8.1.190.0210.01117.19
8.1.180.0190.00317.10
8.1.170.0280.00517.10
8.1.160.0270.00317.17
8.1.150.0310.00517.04
8.1.140.0360.00616.92
8.1.130.0330.00517.04
8.1.120.0290.01117.11
8.1.110.0280.00917.25
8.1.100.0210.00317.11
8.1.90.0200.00717.13
8.1.80.0150.00317.25
8.1.70.0290.00517.15
8.1.60.0300.00417.32
8.1.50.0210.00617.33
8.1.40.0240.00017.06
8.1.30.0200.00517.17
8.1.20.0170.00717.39
8.1.10.0150.00517.35
8.1.00.0190.00217.22

preferences:
27.23 ms | 403 KiB | 5 Q