3v4l.org

run code in 300+ PHP versions simultaneously
<?php $foo = new class { private $a = 3; protected $b = 2; public $c = 1; }; $arr = (array)$foo; var_dump($arr); var_dump(array_keys($arr)[0][0]); $b = array_keys($arr)[2]; var_dump($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)
8.3.60.0090.01216.63
8.3.50.0150.00616.18
8.3.40.0110.00418.71
8.3.30.0090.00618.36
8.3.20.0070.00020.21
8.3.10.0040.00423.66
8.3.00.0040.00423.66
8.2.180.0130.00718.29
8.2.170.0130.00722.96
8.2.160.0000.01320.36
8.2.150.0080.00024.18
8.2.140.0000.00824.66
8.2.130.0040.00419.88
8.2.120.0040.00426.35
8.2.110.0030.00721.05
8.2.100.0000.01118.04
8.2.90.0000.00819.35
8.2.80.0040.00417.97
8.2.70.0070.00317.50
8.2.60.0040.00417.93
8.2.50.0000.00818.07
8.2.40.0040.00422.31
8.2.30.0070.00019.40
8.2.20.0000.00717.75
8.2.10.0030.00618.13
8.2.00.0080.00018.04
8.1.280.0100.01025.92
8.1.270.0040.00419.00
8.1.260.0100.00028.09
8.1.250.0000.00828.09
8.1.240.0030.00623.73
8.1.230.0070.00418.97
8.1.220.0040.00417.74
8.1.210.0060.00318.77
8.1.200.0080.00317.35
8.1.190.0090.00017.13
8.1.180.0060.00318.10
8.1.170.0000.00818.56
8.1.160.0000.00720.76
8.1.150.0080.00018.93
8.1.140.0060.00319.62
8.1.130.0000.00717.64
8.1.120.0040.00417.49
8.1.110.0040.00417.34
8.1.100.0050.00317.34
8.1.90.0000.00717.48
8.1.80.0050.00317.51
8.1.70.0070.00017.52
8.1.60.0040.00417.57
8.1.50.0030.00617.50
8.1.40.0080.00417.47
8.1.30.0040.00417.56
8.1.20.0000.00817.54
8.1.10.0040.00417.57
8.1.00.0040.00417.50
8.0.300.0040.00418.77
8.0.290.0000.00816.63
8.0.280.0020.00518.35
8.0.270.0000.00717.24
8.0.260.0000.00817.25
8.0.250.0030.00316.97
8.0.240.0050.00316.95
8.0.230.0030.00316.86
8.0.220.0030.00316.91
8.0.210.0030.00316.83
8.0.200.0060.00316.92
8.0.190.0000.01216.93
8.0.180.0000.00916.94
8.0.170.0070.00016.96
8.0.160.0000.00716.80
8.0.150.0040.00416.79
8.0.140.0040.00416.79
8.0.130.0040.00413.29
8.0.120.0050.00316.80
8.0.110.0040.00416.92
8.0.100.0040.00416.78
8.0.90.0040.00416.74
8.0.80.0070.01016.86
8.0.70.0050.00316.77
8.0.60.0000.00716.95
8.0.50.0000.00716.93
8.0.30.0080.01117.09
8.0.20.0120.01317.40
8.0.10.0040.00416.88
8.0.00.0080.01116.62
7.4.330.0050.00016.67
7.4.320.0030.00316.59
7.4.300.0070.00016.61
7.4.290.0000.00716.61
7.4.280.0080.00016.45
7.4.270.0000.00716.50
7.4.260.0000.00816.44
7.4.250.0040.00416.45
7.4.240.0050.00416.57
7.4.230.0040.00416.39
7.4.220.0090.01616.45
7.4.210.0070.00816.60
7.4.200.0070.00016.41
7.4.160.0060.00916.61
7.4.150.0090.00917.40
7.4.140.0050.01217.86
7.4.130.0090.01016.40
7.4.120.0090.01016.54
7.4.110.0090.00916.44
7.4.100.0160.00716.50
7.4.90.0110.00916.25
7.4.80.0030.01519.39
7.4.70.0110.00716.47
7.4.60.0100.00616.48
7.4.50.0040.01116.55
7.4.40.0150.00316.70
7.4.30.0070.01116.57
7.4.10.0060.00916.35
7.4.00.0090.00615.63
7.3.330.0020.00213.04
7.3.320.0030.00313.31
7.3.310.0050.00316.29
7.3.300.0070.00016.35
7.3.290.0030.00316.30
7.3.280.0120.00516.30
7.3.270.0180.00017.40
7.3.260.0100.00616.55
7.3.250.0110.00716.36
7.3.240.0040.01516.44
7.3.230.0110.00516.52
7.3.210.0110.00616.25
7.3.200.0030.01419.39
7.3.190.0120.00416.60
7.3.180.0080.00916.57
7.3.170.0070.01516.50
7.3.160.0030.01216.32
7.3.130.0130.00616.52
7.3.120.0080.01116.62
7.3.110.0030.01016.53
7.3.100.0080.00416.41
7.3.90.0040.00716.23
7.3.80.0070.00716.41
7.3.70.0060.01016.26
7.3.60.0070.00716.36
7.3.50.0060.00316.23
7.3.40.0130.00316.27
7.3.30.0060.00816.25
7.3.20.0030.01218.21
7.3.10.0000.01518.14
7.3.00.0050.00518.11
7.2.330.0060.01216.57
7.2.320.0140.00316.29
7.2.310.0120.00616.74
7.2.300.0100.00716.75
7.2.290.0030.01616.72
7.2.260.0030.01416.45
7.2.250.0060.01216.80
7.2.240.0050.01216.74
7.2.230.0000.01516.54
7.2.220.0040.00716.55
7.2.210.0040.00816.71
7.2.200.0100.00316.57
7.2.190.0030.01316.62
7.2.180.0070.01016.38
7.2.170.0000.01216.55
7.2.160.0030.00616.52
7.2.150.0060.01018.47
7.2.140.0000.01218.56
7.2.130.0110.00418.27
7.2.120.0100.00618.42
7.2.110.0090.00618.49
7.2.100.0030.01318.44
7.2.90.0100.00318.40
7.2.80.0100.00718.41
7.2.70.0030.01018.36
7.2.60.0100.00817.68
7.2.50.0100.00618.47
7.2.40.0040.01218.37
7.2.30.0030.01418.50
7.2.20.0070.00318.42
7.2.10.0100.00018.28
7.2.00.0050.00619.04
7.1.330.0080.00817.56
7.1.320.0080.00417.36
7.1.310.0060.00917.53
7.1.300.0090.00317.41
7.1.290.0030.01017.39
7.1.280.0090.00317.37
7.1.270.0080.00317.31
7.1.260.0080.00617.30
7.1.250.0040.01117.34
7.1.240.0090.00017.39
7.1.230.0070.00717.43
7.1.220.0030.00717.35
7.1.210.0110.00317.31
7.1.200.0050.00916.51
7.1.190.0030.00917.39
7.1.180.0070.00417.38
7.1.170.0070.00717.33
7.1.160.0030.01017.38
7.1.150.0100.00017.38
7.1.140.0110.00417.30
7.1.130.0040.00717.25
7.1.120.0100.00317.33
7.1.110.0140.00017.39
7.1.100.0060.00717.66
7.1.90.0110.00317.41
7.1.80.0060.00617.22
7.1.70.0060.00317.34
7.1.60.0070.01318.40
7.1.50.0050.01317.07
7.1.40.0070.01117.38
7.1.30.0050.00517.52
7.1.20.0040.00817.50
7.1.10.0040.01117.38
7.1.00.0020.04419.91
7.0.330.0030.00616.89
7.0.320.0060.00316.92
7.0.310.0080.00817.11
7.0.300.0030.01316.91
7.0.290.0060.00916.96
7.0.280.0060.00316.97
7.0.270.0070.00716.91
7.0.260.0030.01017.02
7.0.250.0100.00017.00
7.0.240.0000.01017.12
7.0.230.0110.00317.11
7.0.220.0090.00917.04
7.0.210.0000.00916.94
7.0.200.0040.01016.86
7.0.190.0070.00717.09
7.0.180.0130.00016.99
7.0.170.0070.00717.00
7.0.160.0030.01017.18
7.0.150.0070.01017.13
7.0.140.0000.01016.95
7.0.130.0080.00317.09
7.0.120.0030.00617.03
7.0.110.0060.00317.03
7.0.100.0070.01017.12
7.0.90.0030.01016.95
7.0.80.0040.00716.91
7.0.70.0040.00716.88
7.0.60.0050.04719.42
7.0.50.0110.03817.37
7.0.40.0050.03017.47
7.0.30.0230.04317.58
7.0.20.0180.04217.57
7.0.10.0090.04317.66
7.0.00.0020.05017.48
5.6.400.0120.00315.50
5.6.390.0100.00715.95
5.6.380.0030.00915.74
5.6.370.0040.01115.43
5.6.360.0030.01315.54
5.6.350.0070.00715.54
5.6.340.0030.01015.57
5.6.330.0100.00715.57
5.6.320.0000.01115.83
5.6.310.0040.00815.84
5.6.300.0040.01115.77
5.6.290.0070.00315.54
5.6.280.0030.02118.38
5.6.270.0100.00315.71
5.6.260.0060.00615.50
5.6.250.0060.00615.57
5.6.240.0040.00715.70
5.6.230.0070.00315.66
5.6.220.0040.01115.63
5.6.210.0020.04418.22
5.6.200.0090.04316.93
5.6.190.0030.02818.18
5.6.180.0260.03318.00
5.6.170.0150.03218.19
5.6.160.0050.03517.95
5.6.150.0050.03116.91
5.6.140.0050.03116.85
5.6.130.0080.02217.02
5.6.120.0100.04518.30
5.6.110.0040.04618.36
5.6.100.0100.04218.26
5.6.90.0130.03918.33
5.6.80.0150.03717.93
5.6.70.0000.01215.42
5.6.60.0060.01015.58
5.6.50.0060.00915.27
5.6.40.0050.00515.59
5.6.30.0050.00815.63
5.6.20.0000.01215.74
5.6.10.0000.01315.45
5.6.00.0040.00715.45
5.5.380.0070.00715.59
5.5.370.0040.01215.65
5.5.360.0030.00915.41
5.5.350.1830.02718.01
5.5.340.0080.04216.78
5.5.330.0080.02117.95
5.5.320.0240.02317.90
5.5.310.0080.02617.97
5.5.300.0070.02516.84
5.5.290.0070.04516.81
5.5.280.0090.03318.22
5.5.270.0090.02418.37
5.5.260.0130.03718.18
5.5.250.0070.04018.03
5.5.240.0120.04017.84
5.5.230.0040.01115.55
5.5.220.0030.01315.61
5.5.210.0040.01115.56
5.5.200.0090.00415.49
5.5.190.0100.00315.32
5.5.180.0040.01115.57
5.5.170.0070.00315.38
5.5.160.0040.00815.40
5.5.150.0040.01115.62
5.5.140.0040.01215.48
5.5.130.0100.00615.53
5.5.120.0060.00915.31
5.5.110.0070.00715.62
5.5.100.0070.00415.53
5.5.90.0030.01015.18
5.5.80.0000.01415.74
5.5.70.0090.00615.43
5.5.60.0030.01215.59
5.5.50.0090.00615.47
5.5.40.0060.00615.47
5.5.30.0000.01115.61
5.5.20.0030.00715.51
5.5.10.0040.00415.52
5.5.00.0000.01015.42

preferences:
46.94 ms | 400 KiB | 5 Q