3v4l.org

run code in 300+ PHP versions simultaneously
<?php class IsGet { private $arr = [1 => 1, 2 => 2, 3 => 3]; function &__get($property) { echo "__get\n"; return $this->arr; } function __isset($property) { echo "__isset\n"; return false; } } $instance = new IsGet(); var_dump(isset($instance->arr[1]));

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)
8.3.60.0120.00918.43
8.3.50.0100.01018.38
8.3.40.0120.00318.71
8.3.30.0070.00718.79
8.3.20.0000.00819.39
8.3.10.0050.00321.82
8.3.00.0000.00820.82
8.2.180.0090.00618.03
8.2.170.0180.00322.96
8.2.160.0110.00320.57
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0070.00018.09
8.2.120.0040.00426.35
8.2.110.0000.00921.07
8.2.100.0100.00317.72
8.2.90.0040.00419.26
8.2.80.0040.00417.97
8.2.70.0060.00317.50
8.2.60.0000.00817.90
8.2.50.0030.00518.07
8.2.40.0050.00318.35
8.2.30.0000.00818.07
8.2.20.0000.00717.66
8.2.10.0070.00018.07
8.2.00.0000.00718.05
8.1.280.0040.01125.92
8.1.270.0000.00923.90
8.1.260.0040.00428.09
8.1.250.0000.00728.09
8.1.240.0070.00319.27
8.1.230.0110.00017.70
8.1.220.0040.00417.74
8.1.210.0050.00318.77
8.1.200.0030.00617.35
8.1.190.0090.00017.23
8.1.180.0080.00018.10
8.1.170.0090.00018.49
8.1.160.0000.00818.83
8.1.150.0040.00418.88
8.1.140.0000.00719.52
8.1.130.0030.00317.55
8.1.120.0000.00717.40
8.1.110.0000.00817.36
8.1.100.0040.00317.45
8.1.90.0000.00717.29
8.1.80.0000.00717.30
8.1.70.0000.00717.40
8.1.60.0000.00717.61
8.1.50.0040.00417.51
8.1.40.0040.00417.41
8.1.30.0040.00417.61
8.1.20.0040.00417.52
8.1.10.0040.00417.46
8.1.00.0000.00817.40
8.0.300.0000.00718.77
8.0.290.0060.00316.63
8.0.280.0030.00418.45
8.0.270.0030.00616.75
8.0.260.0060.00017.27
8.0.250.0070.00016.90
8.0.240.0040.00416.77
8.0.230.0000.00716.92
8.0.220.0000.00716.87
8.0.210.0030.00316.86
8.0.200.0000.00816.85
8.0.190.0030.00516.89
8.0.180.0000.00716.82
8.0.170.0070.00016.82
8.0.160.0000.00716.77
8.0.150.0030.00516.78
8.0.140.0030.00716.81
8.0.130.0050.00313.19
8.0.120.0040.00416.72
8.0.110.0000.00716.82
8.0.100.0070.00016.85
8.0.90.0040.00416.72
8.0.80.0090.00616.82
8.0.70.0000.00816.76
8.0.60.0050.00316.68
8.0.50.0070.00016.83
8.0.30.0100.00817.10
8.0.20.0080.01317.40
8.0.10.0000.00716.91
8.0.00.0090.01616.79
7.4.330.0000.00415.08
7.4.320.0000.00716.41
7.4.300.0030.00616.62
7.4.290.0080.00016.60
7.4.280.0000.00716.51
7.4.270.0030.00316.58
7.4.260.0030.00416.50
7.4.250.0000.00716.49
7.4.240.0050.00316.54
7.4.230.0000.00816.67
7.4.220.0110.01116.63
7.4.210.0050.00916.58
7.4.200.0000.00716.72
7.4.160.0100.00616.54
7.4.150.0420.02317.40
7.4.140.0090.00917.86
7.4.130.0160.00516.42
7.4.120.0100.00816.38
7.4.110.0100.01016.53
7.4.100.0030.01416.43
7.4.90.0090.01216.45
7.4.80.0030.01519.39
7.4.70.0100.00716.58
7.4.60.0090.00816.52
7.4.50.0120.00016.45
7.4.40.0070.01016.49
7.4.30.0030.01316.43
7.4.00.0090.00614.84
7.3.330.0030.00313.24
7.3.320.0030.00313.25
7.3.310.0030.00316.29
7.3.300.0070.00016.25
7.3.290.0030.00316.24
7.3.280.0070.01016.22
7.3.270.0170.00017.40
7.3.260.0100.00716.42
7.3.250.0100.01216.45
7.3.240.0090.01016.37
7.3.230.0090.00916.39
7.3.210.0100.01016.37
7.3.200.0170.00316.30
7.3.190.0130.00416.49
7.3.180.0110.00516.32
7.3.170.0140.00616.37
7.3.160.0080.00816.43
7.2.330.0000.01816.69
7.2.320.0120.00916.54
7.2.310.0060.01316.24
7.2.300.0130.00316.57
7.2.290.0160.00616.63
7.2.60.0000.01516.80
7.2.00.0040.01119.33
7.1.200.0200.00415.21
7.1.100.0070.00717.84
7.1.70.0030.00717.00
7.1.60.0100.01319.32
7.1.50.0140.01116.88
7.1.00.0000.08022.32
7.0.200.3660.01314.62
7.0.60.0900.00019.88
7.0.50.0700.00020.43
7.0.40.0970.00020.25
7.0.30.0930.00020.30
7.0.20.1100.00020.36
7.0.10.1070.00020.28
7.0.00.1000.00020.41
5.6.280.0030.07320.82
5.6.210.0770.00020.62
5.6.200.0830.00021.09
5.6.190.0930.00021.21
5.6.180.0800.00021.13
5.6.170.0930.00021.06
5.6.160.1030.00021.21
5.6.150.1100.00021.13
5.6.140.0830.00021.05
5.6.130.1000.00021.06
5.6.120.1230.00021.04
5.6.110.1000.00021.05
5.6.100.1000.00021.05
5.6.90.0900.00021.16
5.6.80.1000.00020.44
5.6.70.1170.00020.58
5.6.60.0870.00020.39
5.6.50.0700.00020.45
5.6.40.1030.00020.43
5.6.30.1070.00020.42
5.6.20.0770.00020.40
5.6.10.0730.00020.41
5.6.00.0830.00020.41
5.5.350.0770.00020.44
5.5.340.0730.00020.85
5.5.330.0830.00020.95
5.5.320.1030.00020.83
5.5.310.0930.00021.00
5.5.300.1170.00020.85
5.5.290.1130.00020.84
5.5.280.1100.00020.86
5.5.270.0970.00020.74
5.5.260.0900.00020.86
5.5.250.0870.00020.67
5.5.240.1130.00020.23
5.5.230.1070.00020.25
5.5.220.0930.00020.25
5.5.210.0830.00020.24
5.5.200.0930.00020.21
5.5.190.1030.00020.06
5.5.180.0730.00020.23
5.5.160.0730.00020.15
5.5.150.0700.00020.18
5.5.140.1000.00020.31
5.5.130.1000.00020.31
5.5.120.0930.00020.39
5.5.110.0870.00020.35
5.5.100.1100.00020.09
5.5.90.0700.00019.95
5.5.80.0900.00020.11
5.5.70.1030.00020.16
5.5.60.1000.00020.10
5.5.50.1100.00020.07
5.5.40.0830.00020.25
5.5.30.0770.00020.09
5.5.20.0870.00020.07
5.5.10.0830.00020.07
5.5.00.1000.00020.11

preferences:
63.18 ms | 401 KiB | 5 Q