3v4l.org

run code in 300+ PHP versions simultaneously
<?php $obj = new stdClass(); $obj->bar = "xyz"; $data = array("foo" => "bar"); $key = "foo"; // the good: without and within a string echo $obj->{$data[$key]}; echo "{$obj->{$data[$key]}}"; // the bad: try { echo $obj->${data[$key]}; // syntax error } catch (Error $e){ echo $e->getMessage(),"\n"; } // complex curly brace syntax: without and within a string echo $obj->{${'data'}[$key]}; echo "{$obj->{${'data'}[$key]}}";

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)
8.3.60.0180.00316.63
8.3.50.0110.00716.30
8.3.40.0150.00318.92
8.3.30.0110.00418.83
8.3.20.0000.00720.16
8.3.10.0040.00423.57
8.3.00.0020.00523.66
8.2.180.0110.00418.43
8.2.170.0150.00622.96
8.2.160.0110.00720.57
8.2.150.0000.00824.18
8.2.140.0040.00424.66
8.2.130.0000.00819.77
8.2.120.0040.00426.35
8.2.110.0060.00321.04
8.2.100.0090.00318.05
8.2.90.0000.00819.22
8.2.80.0100.00317.97
8.2.70.0000.00917.75
8.2.60.0050.00517.68
8.2.50.0030.00618.07
8.2.40.0040.00420.59
8.2.30.0080.00019.48
8.2.20.0000.00817.79
8.2.10.0040.00418.12
8.2.00.0000.00718.11
8.1.280.0070.01025.92
8.1.270.0070.01423.79
8.1.260.0080.00028.09
8.1.250.0020.00528.09
8.1.240.0070.00420.81
8.1.230.0030.00719.15
8.1.220.0000.00817.78
8.1.210.0040.00418.77
8.1.200.0030.00717.13
8.1.190.0040.00417.23
8.1.180.0030.00518.10
8.1.170.0040.00418.55
8.1.160.0000.00820.67
8.1.150.0000.00718.85
8.1.140.0080.00019.48
8.1.130.0030.00317.70
8.1.120.0000.00717.46
8.1.110.0040.00417.48
8.1.100.0040.00417.36
8.1.90.0000.00817.36
8.1.80.0000.00817.47
8.1.70.0040.00417.35
8.1.60.0110.00017.58
8.1.50.0000.00817.43
8.1.40.0080.00017.41
8.1.30.0050.00317.48
8.1.20.0030.00517.63
8.1.10.0040.00417.56
8.1.00.0040.00417.39
8.0.300.0070.00018.77
8.0.290.0040.00416.75
8.0.280.0030.00518.44
8.0.270.0070.00017.25
8.0.260.0000.00617.23
8.0.250.0030.00317.02
8.0.240.0070.00017.02
8.0.230.0030.00317.02
8.0.220.0040.00416.92
8.0.210.0030.00316.98
8.0.200.0000.00617.00
8.0.190.0080.00016.99
8.0.180.0000.00716.87
8.0.170.0040.00416.97
8.0.160.0040.00416.89
8.0.150.0070.00016.78
8.0.140.0000.00816.84
8.0.130.0060.00013.37
8.0.120.0000.00816.95
8.0.110.0040.00416.95
8.0.100.0070.00016.86
8.0.90.0040.00416.91
8.0.80.0120.00416.93
8.0.70.0060.00316.91
8.0.60.0000.00716.82
8.0.50.0070.00016.78
8.0.30.0070.00917.15
8.0.20.0110.00917.40
8.0.10.0000.00817.00
8.0.00.0120.01116.75
7.4.330.0020.00216.67
7.4.320.0000.00616.43
7.4.300.0060.00016.42
7.4.290.0040.00416.64
7.4.280.0040.00416.51
7.4.270.0040.00416.48
7.4.260.0000.00716.35
7.4.250.0030.00316.59
7.4.240.0040.00316.55
7.4.230.0000.00716.63
7.4.220.0030.02116.64
7.4.210.0070.01016.55
7.4.200.0030.00316.63
7.4.160.0100.01316.40
7.4.150.0070.01717.40
7.4.140.0120.00617.86
7.4.130.0040.01416.38
7.4.120.0130.00616.56
7.4.110.0080.01916.58
7.4.100.0070.01116.79
7.4.90.0060.01316.57
7.4.80.0120.01119.39
7.4.70.0100.00716.36
7.4.60.0090.00916.39
7.4.50.0060.00616.64
7.4.40.0130.00316.36
7.4.30.0090.00916.30
7.4.00.0070.01015.15
7.3.330.0000.00613.27
7.3.320.0000.00513.09
7.3.310.0040.00416.32
7.3.300.0000.00616.34
7.3.290.0030.00316.16
7.3.280.0070.01016.34
7.3.270.0100.01317.40
7.3.260.0130.00616.48
7.3.240.0100.00916.34
7.3.230.0070.01016.39
7.3.210.0050.01116.28
7.3.200.0100.00619.39
7.3.190.0110.00616.39
7.3.180.0120.00916.46
7.3.170.0120.00916.39
7.3.160.0040.01116.74
7.3.10.0070.00316.79
7.3.00.0000.01516.72
7.2.330.0060.01116.42
7.2.320.0100.01016.82
7.2.310.0100.00616.38
7.2.300.0090.00916.55
7.2.290.0080.00816.44
7.2.130.0000.01116.96
7.2.120.0080.00416.98
7.2.110.0080.00616.83
7.2.100.0040.00817.13
7.2.90.0000.01516.93
7.2.80.0150.00016.97
7.2.70.0060.00916.77
7.2.60.0090.00816.88
7.2.50.0080.00417.08
7.2.40.0100.00317.11
7.2.30.0060.01016.66
7.2.20.0000.01116.83
7.2.10.0060.00916.88
7.2.00.0090.00718.03
7.1.250.0030.00915.73
7.1.200.0090.00315.79
7.1.100.0140.00618.01
7.1.70.0030.01317.19
7.1.60.0130.01019.30
7.1.50.0000.01217.08
7.1.00.0100.07022.33
7.0.200.0030.00616.55
7.0.60.0200.07321.82
7.0.50.0030.09017.84
7.0.40.0030.04720.27
7.0.30.0170.04320.13
7.0.20.0370.07020.13
7.0.10.0100.06720.20
7.0.00.0030.04720.19
5.6.280.0000.06320.77
5.6.210.0130.06720.47
5.6.200.0130.08318.19
5.6.190.0170.07720.61
5.6.180.0530.07320.63
5.6.170.0400.07320.44
5.6.160.0000.07020.61
5.6.150.0000.04018.18
5.6.140.0100.08018.15
5.6.130.0100.06018.11
5.6.120.0030.07720.89
5.6.110.0070.03721.11
5.6.100.0100.08020.97
5.6.90.0070.07021.01
5.6.80.0130.08020.50
5.5.350.0130.08320.43
5.5.340.0100.07017.99
5.5.330.0070.08320.34
5.5.320.0630.06720.30
5.5.310.0100.04320.32
5.5.300.0130.07018.08
5.5.290.0100.07018.05
5.5.280.0230.06720.80
5.5.270.0000.04320.88
5.5.260.0170.07320.94
5.5.250.0170.07320.61
5.5.240.0170.05020.36

preferences:
61.12 ms | 400 KiB | 5 Q