3v4l.org

run code in 300+ PHP versions simultaneously
<?php declare(strict_types = 1); class Cl { public string $name; public function __get(string $n) { var_dump('__get: ' . $n); return 5; } } $obj = new Cl(); // read on uninitialized typed property try { $obj->name; } catch (\Error $e) { echo $e->getMessage() . "\n"; } // read on unset typed property unset($obj->name); try { var_dump($obj->name); } catch (\Error $e) { echo $e->getMessage() . "\n"; } try { var_dump($obj->name); } catch (\Error $e) { echo $e->getMessage() . "\n"; }

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)
8.5.10.0120.00719.95
8.5.00.0150.00819.98
8.4.150.0020.00014.05
8.4.140.0080.01217.99
8.4.130.0150.00317.84
8.4.120.0060.00320.66
8.4.110.0120.00822.39
8.4.100.0110.01017.85
8.4.90.0100.01018.89
8.4.80.0070.00718.75
8.4.70.0100.01018.07
8.4.60.0100.01118.96
8.4.50.0120.00819.63
8.4.40.0070.01417.75
8.4.30.0090.00918.39
8.4.20.0070.01118.02
8.4.10.0170.00322.00
8.3.280.0130.00718.36
8.3.270.0120.01116.76
8.3.260.0150.00616.40
8.3.250.0120.00618.70
8.3.240.0160.00416.77
8.3.230.0150.00516.79
8.3.220.0120.00519.14
8.3.210.0100.00916.56
8.3.200.0050.00316.66
8.3.190.0100.00817.11
8.3.180.0130.00616.80
8.3.170.0040.00418.86
8.3.160.0060.00316.85
8.3.150.0120.00620.89
8.3.140.0080.00016.57
8.3.130.0040.00416.78
8.3.120.0000.00820.68
8.3.110.0040.00416.61
8.3.100.0060.00316.68
8.3.90.0040.00426.77
8.3.80.0080.00316.63
8.3.70.0170.00316.75
8.3.60.0150.00016.38
8.3.50.0170.00018.32
8.3.40.0090.00620.38
8.3.30.0060.00918.89
8.3.20.0000.00824.18
8.3.10.0060.00324.66
8.3.00.0070.00026.16
8.2.290.0100.01020.53
8.2.280.0090.00518.54
8.2.270.0080.00017.33
8.2.260.0040.00420.08
8.2.250.0080.00017.00
8.2.240.0030.00618.52
8.2.230.0090.00020.94
8.2.220.0060.00324.06
8.2.210.0130.00626.77
8.2.200.0120.00018.16
8.2.190.0110.01116.73
8.2.180.0140.00025.92
8.2.170.0030.01619.02
8.2.160.0060.00922.96
8.2.150.0050.00225.66
8.2.140.0070.00024.66
8.2.130.0000.00826.16
8.2.120.0020.00526.16
8.2.110.0110.00022.05
8.2.100.0000.01117.82
8.2.90.0040.00417.75
8.2.80.0030.00518.79
8.2.70.0040.00417.63
8.2.60.0080.00017.75
8.2.50.0000.00918.05
8.2.40.0000.00718.03
8.2.30.0070.00018.05
8.2.20.0070.00019.25
8.2.10.0040.00418.14
8.2.00.0050.00219.19
8.1.330.0110.00720.53
8.1.320.0090.01016.49
8.1.310.0000.00816.55
8.1.300.0080.00016.20
8.1.290.0060.00330.84
8.1.280.0070.01025.92
8.1.270.0070.00024.66
8.1.260.0000.00826.35
8.1.250.0070.00028.09
8.1.240.0040.00420.68
8.1.230.0040.00719.20
8.1.220.0040.00417.79
8.1.210.0080.00018.77
8.1.200.0040.00417.35
8.1.190.0000.00817.25
8.1.180.0000.00918.10
8.1.170.0120.00017.62
8.1.160.0000.00719.06
8.1.150.0000.00818.66
8.1.140.0030.00617.41
8.1.130.0030.00318.97
8.1.120.0000.00717.44
8.1.110.0040.00417.43
8.1.100.0040.00417.45
8.1.90.0120.00517.46
8.1.80.0180.00017.33
8.1.70.0080.00717.35
8.1.60.0070.00917.48
8.1.50.0080.00817.53
8.1.40.0110.00617.41
8.1.30.0120.00717.63
8.1.20.0120.00517.58
8.1.10.0180.00217.50
8.1.00.0170.00317.52
8.0.300.0030.00519.53
8.0.290.0000.00716.75
8.0.280.0000.00718.40
8.0.270.0040.00416.93
8.0.260.0030.00318.46
8.0.250.0000.00717.02
8.0.240.0000.00717.09
8.0.230.0040.00417.03
8.0.220.0130.00216.85
8.0.210.0110.00516.93
8.0.200.0090.00616.96
8.0.190.0110.00416.89
8.0.180.0100.00516.94
8.0.170.0080.00716.91
8.0.160.0070.00716.95
8.0.150.0070.00816.87
8.0.140.0080.00716.89
8.0.130.0130.00316.85
8.0.120.0110.00516.88
8.0.110.0120.00316.86
8.0.100.0120.00416.82
8.0.90.0130.00316.93
8.0.80.0100.00516.95
8.0.70.0130.00516.91
8.0.60.0120.00616.81
8.0.50.0120.00416.79
8.0.30.0070.00716.81
8.0.20.0100.00516.92
8.0.10.0090.00716.96
7.4.330.0000.00715.55
7.4.320.0060.00316.45
7.4.300.0150.00216.53
7.4.290.0140.00316.57
7.4.280.0100.00816.63
7.4.270.0150.00016.58
7.4.260.0130.00316.51
7.4.250.0130.00516.47
7.4.240.0080.00716.50
7.4.230.0100.00716.46
7.4.220.0110.00416.35
7.4.210.0140.00116.56
7.4.200.0080.00716.49
7.4.190.0090.00516.66
7.4.180.0080.00716.67
7.4.160.0090.00616.55
7.4.150.0060.00916.55
7.4.140.0080.00616.49
7.4.130.0080.00616.44
7.4.120.0050.00916.35
7.4.110.0110.00316.43
7.4.100.0100.00616.51
7.4.90.0140.00016.41
7.4.80.0110.00316.44
7.4.70.0100.00316.51
7.4.60.0060.00616.52
7.4.50.0090.00516.40
7.4.40.0070.00616.45
7.4.30.0090.00516.42
7.4.20.0100.00316.47
7.4.10.0110.00216.43
7.4.00.0110.00316.40

preferences:
145.7 ms | 403 KiB | 5 Q