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"; 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)
8.3.60.0110.00718.68
8.3.50.0120.00317.91
8.3.40.0060.00918.52
8.3.30.0110.00418.94
8.3.20.0070.00020.35
8.3.10.0080.00021.78
8.3.00.0070.00023.64
8.2.180.0140.00718.41
8.2.170.0100.00722.96
8.2.160.0130.00320.53
8.2.150.0040.00424.18
8.2.140.0080.00024.66
8.2.130.0000.00819.72
8.2.120.0040.00426.35
8.2.110.0000.00919.27
8.2.100.0040.00717.84
8.2.90.0050.00319.15
8.2.80.0080.00017.97
8.2.70.0030.00717.50
8.2.60.0000.00918.03
8.2.50.0040.00718.07
8.2.40.0030.00522.32
8.2.30.0000.00719.48
8.2.20.0040.00417.74
8.2.10.0050.00217.99
8.2.00.0050.00218.09
8.1.280.0110.00325.92
8.1.270.0040.00423.83
8.1.260.0040.00428.09
8.1.250.0000.00728.09
8.1.240.0040.00421.43
8.1.230.0080.00417.45
8.1.220.0090.00017.77
8.1.210.0040.00418.77
8.1.200.0040.00417.35
8.1.190.0090.00017.23
8.1.180.0000.00718.10
8.1.170.0040.00418.61
8.1.160.0070.00020.75
8.1.150.0050.00218.88
8.1.140.0050.00319.41
8.1.130.0080.00017.61
8.1.120.0000.00717.38
8.1.110.0000.00717.38
8.1.100.0000.00717.45
8.1.90.0000.00817.28
8.1.80.0020.00517.38
8.1.70.0030.00317.39
8.1.60.0020.00517.40
8.1.50.0080.00317.54
8.1.40.0030.00617.44
8.1.30.0030.00617.55
8.1.20.0040.00417.63
8.1.10.0000.00717.54
8.1.00.0000.00817.49
8.0.300.0040.00418.77
8.0.290.0040.00416.75
8.0.280.0020.00518.48
8.0.270.0000.00717.25
8.0.260.0040.00417.15
8.0.250.0000.00817.02
8.0.240.0000.00817.07
8.0.230.0000.00716.84
8.0.220.0000.00716.79
8.0.210.0070.00016.89
8.0.200.0000.00616.81
8.0.190.0060.00316.96
8.0.180.0040.00816.91
8.0.170.0080.00016.77
8.0.160.0030.00516.88
8.0.150.0000.00816.83
8.0.140.0000.00716.85
8.0.130.0030.00613.32
8.0.120.0000.00816.87
8.0.110.0000.00816.85
8.0.100.0000.00716.84
8.0.90.0000.00716.95
8.0.80.0090.00616.89
8.0.70.0000.00816.89
8.0.60.0000.00716.92
8.0.50.0050.00316.82
8.0.30.0080.01317.14
8.0.20.0070.01117.40
8.0.10.0050.00216.99
8.0.00.0110.00616.88
7.4.330.0000.00516.85
7.4.320.0000.00616.42
7.4.300.0000.00816.50
7.4.290.0040.00416.59
7.4.280.0040.00716.57
7.4.270.0040.00416.51
7.4.260.0030.00316.59
7.4.250.0020.00516.48
7.4.240.0030.00516.55
7.4.230.0030.00316.57
7.4.220.0090.01516.50
7.4.210.0120.00916.45
7.4.200.0040.00416.47
7.4.160.0150.00016.57
7.4.150.0120.00617.40
7.4.140.0130.00917.86
7.4.130.0090.01116.54
7.4.120.0090.00916.70
7.4.110.0100.00716.60
7.4.100.0120.00916.68
7.4.90.0200.00316.59
7.4.80.0110.00719.39
7.4.70.0110.00816.34
7.4.60.0100.00616.48
7.4.50.0060.00916.23
7.4.40.0060.00916.23
7.4.30.0110.01216.39
7.4.00.0070.01115.03
7.3.330.0000.00613.12
7.3.320.0000.00513.08
7.3.310.0000.00716.29
7.3.300.0000.00616.30
7.3.290.0070.01016.30
7.3.280.0100.00616.33
7.3.270.0030.01317.40
7.3.260.0090.00916.34
7.3.250.0090.00816.25
7.3.240.0070.01116.30
7.3.230.0050.01516.39
7.3.210.0110.00816.38
7.3.200.0070.00719.39
7.3.190.0090.01216.32
7.3.180.0080.00816.61
7.3.170.0070.01116.37
7.3.160.0060.00916.61
7.2.330.0100.00716.31
7.2.320.0100.01316.50
7.2.310.0030.01516.51
7.2.300.0080.00816.56
7.2.290.0180.00316.44
7.2.60.0060.01017.06
7.2.00.0060.00619.09
7.1.200.0070.00715.76
7.1.100.0140.01118.00
7.1.70.0040.00416.80
7.1.60.0100.01319.30
7.1.50.0120.00916.91
7.1.00.0070.07322.37
7.0.200.0030.00716.79
7.0.60.0200.07021.66
7.0.50.0070.08017.84
7.0.40.0030.09320.00
7.0.30.0230.06020.30
7.0.20.0200.04320.16
7.0.10.0230.07320.04
7.0.00.0030.05320.29
5.6.280.0070.06320.91
5.6.210.0030.08320.67
5.6.200.0000.04318.12
5.6.190.0070.08720.68
5.6.180.0400.04320.41
5.6.170.0230.07320.50
5.6.160.0130.05320.44
5.6.150.0030.06018.18
5.6.140.0130.07718.21
5.6.130.0230.06318.21
5.6.120.0130.08021.00
5.6.110.0070.08721.04
5.6.100.0030.04720.88
5.6.90.0000.08721.01
5.6.80.0070.08320.43
5.5.350.0130.08720.32
5.5.340.0100.07017.92
5.5.330.0030.08720.19
5.5.320.0600.07320.17
5.5.310.0130.04720.20
5.5.300.0070.06717.96
5.5.290.0070.07717.98
5.5.280.0030.07020.87
5.5.270.0030.04720.78
5.5.260.0070.08320.79
5.5.250.0100.08320.70
5.5.240.0130.06720.34

preferences:
45.31 ms | 400 KiB | 5 Q