3v4l.org

run code in 300+ PHP versions simultaneously
<?php $data = ["foo"=>"bar"]; $key = "foo"; $obj = new stdClass; $obj->bar = 'xyz'; echo "{$obj->{ ${'data'}[$key] }}\n"; echo "{$obj->{ ${data}[$key] }}\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)
8.3.60.0120.00616.88
8.3.50.0070.00716.42
8.3.40.0040.01118.96
8.3.30.0120.00318.93
8.3.20.0040.00420.03
8.3.10.0050.00323.61
8.3.00.0000.00723.65
8.2.180.0040.01118.55
8.2.170.0110.00422.96
8.2.160.0070.01020.52
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0080.00019.89
8.2.120.0080.00026.35
8.2.110.0060.00619.21
8.2.100.0110.00017.91
8.2.90.0030.00519.17
8.2.80.0040.00417.97
8.2.70.0060.00317.50
8.2.60.0040.00417.93
8.2.50.0090.00318.07
8.2.40.0050.00322.15
8.2.30.0000.00719.45
8.2.20.0000.00717.73
8.2.10.0000.00818.18
8.2.00.0040.00418.08
8.1.280.0070.00725.92
8.1.270.0090.00023.89
8.1.260.0000.00828.09
8.1.250.0000.00728.09
8.1.240.0100.00721.99
8.1.230.0070.00422.67
8.1.220.0050.00317.74
8.1.210.0000.00818.77
8.1.200.0090.00017.35
8.1.190.0040.00417.35
8.1.180.0000.00718.10
8.1.170.0000.00818.66
8.1.160.0000.00720.63
8.1.150.0050.00318.88
8.1.140.0000.00919.51
8.1.130.0030.00617.70
8.1.120.0040.00417.34
8.1.110.0000.00717.44
8.1.100.0000.00817.33
8.1.90.0000.00717.35
8.1.80.0030.00517.50
8.1.70.0030.00317.50
8.1.60.0030.00717.56
8.1.50.0100.00017.45
8.1.40.0040.00417.44
8.1.30.0080.00017.53
8.1.20.0040.00417.64
8.1.10.0000.00817.57
8.1.00.0040.00417.48
8.0.300.0070.00018.77
8.0.290.0070.00016.75
8.0.280.0000.00718.35
8.0.270.0000.00717.16
8.0.260.0030.00318.32
8.0.250.0040.00416.91
8.0.240.0000.00717.01
8.0.230.0070.00017.03
8.0.220.0070.00016.93
8.0.210.0070.00016.84
8.0.200.0030.00316.90
8.0.190.0040.00417.05
8.0.180.0050.00216.86
8.0.170.0040.00416.82
8.0.160.0040.00416.95
8.0.150.0000.00716.91
8.0.140.0030.00416.94
8.0.130.0000.00713.34
8.0.120.0050.00316.82
8.0.110.0040.00416.85
8.0.100.0000.00716.96
8.0.90.0040.00416.77
8.0.80.0130.00316.99
8.0.70.0040.00416.89
8.0.60.0070.00016.95
8.0.50.0030.00516.95
8.0.30.0080.01216.92
8.0.20.0100.00917.40
8.0.10.0040.00416.92
8.0.00.0100.00916.79
7.4.330.0000.00516.84
7.4.320.0030.00316.40
7.4.300.0000.00716.44
7.4.290.0000.00716.61
7.4.280.0060.00416.60
7.4.270.0000.00716.61
7.4.260.0000.00716.44
7.4.250.0040.00416.55
7.4.240.0030.00316.53
7.4.230.0030.00316.55
7.4.220.0100.00716.62
7.4.210.0040.01116.61
7.4.200.0050.00216.59
7.4.160.0110.00416.40
7.4.150.0090.00917.40
7.4.140.0130.01317.86
7.4.130.0070.01616.54
7.4.120.0100.00616.57
7.4.110.0070.01016.48
7.4.100.0180.00016.57
7.4.90.0070.01016.57
7.4.80.0100.01019.39
7.4.70.0100.01316.54
7.4.60.0060.01016.49
7.4.50.0110.00416.52
7.4.40.0030.01316.45
7.4.30.0070.01116.73
7.4.00.0000.01314.94
7.3.330.0000.00613.26
7.3.320.0050.00013.12
7.3.310.0000.00716.38
7.3.300.0000.00716.37
7.3.290.0060.01016.34
7.3.280.0070.01016.34
7.3.270.0110.00617.40
7.3.260.0100.00716.52
7.3.240.0100.01116.28
7.3.230.0090.00916.43
7.3.210.0110.00816.32
7.3.200.0110.00419.39
7.3.190.0090.01216.43
7.3.180.0130.00316.62
7.3.170.0110.00916.58
7.3.160.0070.01016.35
7.2.330.0140.00416.67
7.2.320.0070.01016.79
7.2.310.0130.00316.80
7.2.300.0070.01016.59
7.2.290.0140.00316.42
7.2.110.0210.00016.82
7.2.60.0040.01117.01
7.2.00.0070.01019.02
7.1.200.0000.01415.78
7.1.100.0030.01017.84
7.1.70.0050.00516.97
7.1.60.0030.02019.30
7.1.50.0060.00616.91
7.1.00.0130.06022.54
7.0.200.0000.01016.79
7.0.60.0200.08021.58
7.0.50.0070.08317.85
7.0.40.0100.08720.40
7.0.30.0230.08020.18
7.0.20.0430.05720.33
7.0.10.0170.07720.33
7.0.00.0100.03720.00
5.6.280.0000.06721.12
5.6.210.0100.06320.66
5.6.200.0000.04318.23
5.6.190.0000.06020.41
5.6.180.0300.06720.60
5.6.170.0270.07020.48
5.6.160.0030.04720.52
5.6.150.0030.07718.15
5.6.140.0230.06318.18
5.6.130.0100.05318.18
5.6.120.0030.05721.08
5.6.110.0100.08020.98
5.6.100.0070.08321.02
5.6.90.0100.06321.12
5.6.80.0100.08020.40
5.5.350.0170.06320.48
5.5.340.0100.07717.90
5.5.330.0070.04020.14
5.5.320.0500.04020.28
5.5.310.0230.04320.28
5.5.300.0100.07318.00
5.5.290.0130.05317.87
5.5.280.0030.04020.89
5.5.270.0100.06720.75
5.5.260.0070.08720.66
5.5.250.0070.08020.67
5.5.240.0130.07320.26

preferences:
67.99 ms | 400 KiB | 5 Q