3v4l.org

run code in 300+ PHP versions simultaneously
<?php $obj = new stdClass(); $data = ["foo"=>"bar"]; $key = "foo"; $obj->data = $data; echo "{$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)
8.3.60.0070.01118.45
8.3.50.0150.00721.11
8.3.40.0150.00018.96
8.3.30.0000.01418.82
8.3.20.0030.00520.30
8.3.10.0080.00021.76
8.3.00.0040.00423.65
8.2.180.0070.01618.18
8.2.170.0070.00722.96
8.2.160.0040.01120.35
8.2.150.0050.00324.18
8.2.140.0050.00324.66
8.2.130.0040.00419.79
8.2.120.0070.00026.35
8.2.110.0060.00322.11
8.2.100.0030.00917.93
8.2.90.0000.00819.30
8.2.80.0040.00418.03
8.2.70.0100.00017.63
8.2.60.0080.00018.05
8.2.50.0030.00618.07
8.2.40.0030.00622.15
8.2.30.0050.00219.50
8.2.20.0040.00417.84
8.2.10.0000.00718.12
8.2.00.0000.00918.18
8.1.280.0100.01025.92
8.1.270.0070.00023.96
8.1.260.0070.00028.09
8.1.250.0040.00428.09
8.1.240.0030.00623.73
8.1.230.0030.01119.14
8.1.220.0060.00317.74
8.1.210.0090.00318.77
8.1.200.0090.00017.35
8.1.190.0080.00017.13
8.1.180.0000.00818.10
8.1.170.0040.00418.49
8.1.160.0070.00020.71
8.1.150.0040.00418.90
8.1.140.0080.00019.58
8.1.130.0040.00417.75
8.1.120.0040.00417.50
8.1.110.0040.00417.36
8.1.100.0040.00417.46
8.1.90.0000.00817.36
8.1.80.0000.00717.44
8.1.70.0000.00717.44
8.1.60.0000.00717.56
8.1.50.0060.00617.52
8.1.40.0040.00417.50
8.1.30.0000.00817.68
8.1.20.0040.00417.50
8.1.10.0000.00717.57
8.1.00.0020.00517.55
8.0.300.0080.00018.77
8.0.290.0000.00716.75
8.0.280.0050.00318.34
8.0.270.0000.00717.31
8.0.260.0070.00317.25
8.0.250.0040.00717.00
8.0.240.0000.00816.98
8.0.230.0030.00316.97
8.0.220.0030.00317.00
8.0.210.0030.00316.83
8.0.200.0000.00617.02
8.0.190.0000.00816.88
8.0.180.0060.00316.85
8.0.170.0000.00917.01
8.0.160.0000.00717.04
8.0.150.0030.00316.90
8.0.140.0030.00516.93
8.0.130.0000.00613.34
8.0.120.0080.00016.84
8.0.110.0000.00716.98
8.0.100.0040.00416.82
8.0.90.0070.00017.00
8.0.80.0120.00317.01
8.0.70.0030.00516.89
8.0.60.0040.00416.86
8.0.50.0000.00716.77
8.0.30.0100.00617.12
8.0.20.0140.00817.40
8.0.10.0050.00216.96
8.0.00.0090.01216.86
7.4.330.0000.00516.67
7.4.320.0070.00016.51
7.4.300.0050.00516.60
7.4.290.0040.00416.62
7.4.280.0070.00316.40
7.4.270.0040.00416.52
7.4.260.0040.00416.51
7.4.250.0030.00516.45
7.4.240.0030.00516.60
7.4.230.0000.00716.62
7.4.220.0100.00716.55
7.4.210.0040.01116.57
7.4.200.0040.00416.25
7.4.160.0130.00416.53
7.4.150.0070.01717.40
7.4.140.0150.00917.86
7.4.130.0100.00716.43
7.4.120.0100.00616.52
7.4.110.0230.00016.46
7.4.100.0070.01816.59
7.4.90.0050.01116.57
7.4.80.0160.00019.39
7.4.70.0060.01516.56
7.4.60.0110.00716.41
7.4.50.0070.01016.54
7.4.40.0080.00816.47
7.4.30.0030.01916.51
7.4.00.0090.00315.03
7.3.330.0000.00513.32
7.3.320.0020.00513.13
7.3.310.0070.00016.32
7.3.300.0000.00716.32
7.3.290.0100.00816.42
7.3.280.0060.01116.43
7.3.270.0150.00317.40
7.3.260.0130.00316.59
7.3.240.0150.00416.51
7.3.230.0080.00816.60
7.3.210.0100.00616.41
7.3.200.0110.00719.39
7.3.190.0110.00616.42
7.3.180.0090.01216.38
7.3.170.0130.00916.52
7.3.160.0060.01016.49
7.2.330.0030.01516.51
7.2.320.0150.00416.40
7.2.310.0060.01216.52
7.2.300.0150.00316.76
7.2.290.0040.01416.76
7.2.60.0070.01017.02
7.2.00.0080.00818.95
7.1.200.0000.01515.64
7.1.100.0090.00618.12
7.1.70.0000.00717.32
7.1.60.0140.01019.30
7.1.50.0060.01516.80
7.1.00.0000.08022.42
7.0.200.0050.00516.46
7.0.60.0300.07021.73
7.0.50.0070.06317.77
7.0.40.0000.04720.40
7.0.30.0270.04020.18
7.0.20.0300.07720.13
7.0.10.0000.05020.18
7.0.00.0130.06320.09
5.6.280.0030.03020.76
5.6.210.0100.06320.53
5.6.200.0100.08318.18
5.6.190.0100.08320.61
5.6.180.0300.04320.60
5.6.170.0270.06320.71
5.6.160.0070.05320.50
5.6.150.0100.08018.21
5.6.140.0030.07318.11
5.6.130.0070.04018.18
5.6.120.0070.07721.14
5.6.110.0200.03320.99
5.6.100.0070.08020.98
5.6.90.0100.04320.98
5.6.80.0170.05720.38
5.5.350.0130.03720.38
5.5.340.0100.04717.92
5.5.330.0070.06720.28
5.5.320.0630.06720.32
5.5.310.0230.05020.28
5.5.300.0030.05717.92
5.5.290.0100.06317.92
5.5.280.0070.04020.89
5.5.270.0000.09320.88
5.5.260.0070.07720.75
5.5.250.0100.06320.68
5.5.240.0130.07320.18

preferences:
49.99 ms | 401 KiB | 5 Q