3v4l.org

run code in 300+ PHP versions simultaneously
<?php $obj = new stdClass(); $obj->bar = "xyz"; $data = array("foo" => "bar"); $key = "foo"; $obj->${'data'[$key]}; // Syntax error $obj->{$data[$key]}; // Works $obj->${'key'}; // E_NOTICE. Does not work $obj->{$key}; // Works

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)
8.3.60.0140.00316.75
8.3.50.0030.01016.34
8.3.40.0000.01518.84
8.3.30.0040.01018.83
8.3.20.0040.00420.16
8.3.10.0080.00023.48
8.3.00.0040.00423.61
8.2.180.0040.01818.63
8.2.170.0110.00422.96
8.2.160.0100.00320.39
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0000.00719.77
8.2.120.0040.00426.35
8.2.110.0090.00022.19
8.2.100.0040.00817.91
8.2.90.0050.00319.08
8.2.80.0000.00817.97
8.2.70.0030.00717.50
8.2.60.0020.00517.93
8.2.50.0060.00318.07
8.2.40.0070.00420.39
8.2.30.0070.00019.45
8.2.20.0000.00717.81
8.2.10.0100.00018.06
8.2.00.0060.00317.94
8.1.280.0030.01525.92
8.1.270.0070.00723.84
8.1.260.0040.00428.09
8.1.250.0050.00328.09
8.1.240.0080.00023.79
8.1.230.0110.00018.97
8.1.220.0000.00717.74
8.1.210.0000.00918.77
8.1.200.0070.00317.36
8.1.190.0090.00017.35
8.1.180.0000.00718.10
8.1.170.0030.00518.51
8.1.160.0070.00020.76
8.1.150.0040.00418.79
8.1.140.0080.00019.55
8.1.130.0030.00317.55
8.1.120.0030.00417.32
8.1.110.0040.00417.43
8.1.100.0050.00317.27
8.1.90.0000.00717.42
8.1.80.0050.00317.42
8.1.70.0070.00017.43
8.1.60.0040.00417.41
8.1.50.0000.00817.51
8.1.40.0040.00417.58
8.1.30.0040.00417.50
8.1.20.0040.00417.63
8.1.10.0040.00417.62
8.1.00.0070.00017.43
8.0.300.0000.00718.77
8.0.290.0040.00416.63
8.0.280.0070.00018.40
8.0.270.0070.00017.20
8.0.260.0030.00317.09
8.0.250.0070.00016.94
8.0.240.0040.00416.82
8.0.230.0030.00316.91
8.0.220.0070.00016.74
8.0.210.0000.00916.96
8.0.200.0060.00316.86
8.0.190.0000.00817.00
8.0.180.0000.00716.84
8.0.170.0040.00416.89
8.0.160.0030.00316.94
8.0.150.0000.00716.80
8.0.140.0100.00016.82
8.0.130.0050.00313.40
8.0.120.0080.00016.85
8.0.110.0000.00816.92
8.0.100.0000.00716.68
8.0.90.0040.00416.92
8.0.80.0090.00616.95
8.0.70.0000.00816.82
8.0.60.0030.00516.81
8.0.50.0000.00716.91
8.0.30.0070.01017.05
8.0.20.0110.00817.40
8.0.10.0000.00817.05
8.0.00.0080.01116.92
7.4.330.0000.00516.85
7.4.320.0000.00716.51
7.4.300.0020.00516.65
7.4.290.0000.00716.36
7.4.280.0100.00016.61
7.4.270.0030.00316.53
7.4.260.0030.00316.62
7.4.250.0040.00416.58
7.4.240.0010.00616.52
7.4.230.0000.00716.47
7.4.220.0090.00916.56
7.4.210.0040.01116.54
7.4.200.0030.00316.69
7.4.160.0160.00616.55
7.4.150.0120.00617.40
7.4.140.0050.01417.86
7.4.130.0130.00516.46
7.4.120.0070.01116.54
7.4.110.0140.00316.55
7.4.100.0070.01016.42
7.4.90.0070.01416.54
7.4.80.0180.00619.39
7.4.70.0120.00916.44
7.4.60.0140.00716.50
7.4.50.0100.00716.66
7.4.40.0100.00716.80
7.4.30.0100.01216.51
7.4.00.0040.01414.74
7.3.330.0020.00213.16
7.3.320.0000.00813.30
7.3.310.0030.00416.27
7.3.300.0030.00316.17
7.3.290.0090.01016.30
7.3.280.0100.00616.28
7.3.270.0100.00817.40
7.3.260.0070.01016.41
7.3.250.0120.00516.42
7.3.240.0100.00916.39
7.3.230.0070.01016.55
7.3.210.0100.00716.48
7.3.200.0000.01519.39
7.3.190.0060.00916.32
7.3.180.0060.01216.52
7.3.170.0110.00416.35
7.3.160.0090.01316.37
7.3.10.0130.00316.56
7.3.00.0080.00316.84
7.2.330.0100.01316.36
7.2.320.0120.00416.73
7.2.310.0120.00616.39
7.2.300.0070.01116.73
7.2.290.0090.01616.38
7.2.130.0090.00916.95
7.2.120.0100.00617.00
7.2.110.0030.00916.59
7.2.100.0160.00016.68
7.2.90.0100.00716.64
7.2.80.0090.00616.86
7.2.70.0150.00016.87
7.2.60.0100.00816.76
7.2.50.0090.00316.74
7.2.40.0040.01116.82
7.2.30.0130.00716.77
7.2.20.0060.00916.91
7.2.10.0100.00316.77
7.2.00.0060.01117.94
7.1.250.0060.00915.72
7.1.200.0030.01015.73
7.1.100.0000.01117.64
7.1.70.0000.01017.20
7.1.60.0070.01719.30
7.1.50.0070.01316.58
7.1.00.0070.07322.44
7.0.200.0030.00616.59
7.0.60.0170.06019.82
7.0.50.0030.08717.81
7.0.40.0170.06020.20
7.0.30.0270.05020.00
7.0.20.0400.07020.09
7.0.10.0130.06720.02
7.0.00.0230.04020.16
5.6.280.0070.06721.11
5.6.210.0100.07020.61
5.6.200.0000.04318.21
5.6.190.0100.08320.61
5.6.180.0470.07020.39
5.6.170.0300.05320.45
5.6.160.0070.04018.22
5.6.150.0170.07318.22
5.6.140.0070.07318.18
5.6.130.0030.09318.06
5.6.120.0000.04320.94
5.6.110.0100.06321.14
5.6.100.0070.04321.04
5.6.90.0030.07721.00
5.6.80.0100.03020.53
5.5.350.0230.08320.52
5.5.340.0130.06018.02
5.5.330.0030.05720.07
5.5.320.0400.07020.35
5.5.310.0170.04720.20
5.5.300.0030.05017.91
5.5.290.0030.04317.95
5.5.280.0030.04320.89
5.5.270.0100.08320.97
5.5.260.0070.04020.79
5.5.250.0070.07320.61
5.5.240.0130.08320.12

preferences:
61.59 ms | 400 KiB | 5 Q