3v4l.org

run code in 300+ PHP versions simultaneously
<?php $obj = new stdClass(); $obj->bar = "123"; $data = ["foo" => "bar"]; $key = "foo"; echo $obj->{ $data[$key] },"\n"; echo $obj->{ ${'data'}[$key] },"\n"; echo "{$obj->{ $data[$key] }}\n"; echo $obj->{ $data[$key]},"\n"; echo "{$obj->{ ${'data'}[$key] }}\n"; echo $obj->{ ${'data'}[$key] },"\n"; echo "{${'obj'}->{ ${'data'}[$key] }}\n"; echo ${'obj'}->{ ${'data'}[$key] },"\n"; echo ${'obj'}->{${'data'}[$key]}=456;

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)
8.3.60.0190.00316.75
8.3.50.0090.00921.26
8.3.40.0110.00718.83
8.3.30.0040.01118.64
8.3.20.0040.00420.39
8.3.10.0040.00423.61
8.3.00.0100.00723.48
8.2.180.0120.00918.22
8.2.170.0040.01122.96
8.2.160.0030.01019.32
8.2.150.0000.00824.18
8.2.140.0000.00724.66
8.2.130.0080.00019.83
8.2.120.0030.00626.35
8.2.110.0000.00921.18
8.2.100.0060.00618.05
8.2.90.0000.00919.17
8.2.80.0040.00417.97
8.2.70.0080.00017.63
8.2.60.0060.00617.93
8.2.50.0000.00818.07
8.2.40.0090.00020.10
8.2.30.0040.00419.52
8.2.20.0020.00517.82
8.2.10.0050.00318.14
8.2.00.0000.00818.05
8.1.280.0120.00625.92
8.1.270.0040.00423.79
8.1.260.0000.00728.09
8.1.250.0040.00428.09
8.1.240.0090.00023.83
8.1.230.0080.00419.10
8.1.220.0000.00817.74
8.1.210.0080.00018.77
8.1.200.0000.00817.35
8.1.190.0080.00017.23
8.1.180.0000.00818.10
8.1.170.0040.00418.48
8.1.160.0040.00420.70
8.1.150.0080.00018.90
8.1.140.0000.00819.60
8.1.130.0040.00417.72
8.1.120.0050.00217.39
8.1.110.0000.00817.38
8.1.100.0040.00417.45
8.1.90.0040.00317.46
8.1.80.0000.00717.36
8.1.70.0070.00017.46
8.1.60.0080.00017.51
8.1.50.0080.00017.56
8.1.40.0000.00817.52
8.1.30.0000.00917.68
8.1.20.0000.00717.63
8.1.10.0040.00417.59
8.1.00.0050.00217.50
8.0.300.0070.00018.77
8.0.290.0070.00016.62
8.0.280.0030.00318.46
8.0.270.0030.00317.14
8.0.260.0000.00817.25
8.0.250.0000.00716.87
8.0.240.0000.00716.84
8.0.230.0030.00316.98
8.0.220.0030.00316.77
8.0.210.0000.00816.80
8.0.200.0000.00816.99
8.0.190.0000.00716.86
8.0.180.0040.00416.93
8.0.170.0030.00616.84
8.0.160.0080.00017.02
8.0.150.0040.00316.81
8.0.140.0030.00916.85
8.0.130.0000.00613.29
8.0.120.0000.00716.84
8.0.110.0000.00816.75
8.0.100.0000.00816.93
8.0.90.0040.00417.02
8.0.80.0150.00316.89
8.0.70.0000.00716.97
8.0.60.0050.00316.78
8.0.50.0030.00516.85
8.0.30.0120.00717.01
8.0.20.0130.00717.40
8.0.10.0030.00517.04
8.0.00.0090.00816.93
7.4.330.0000.00516.76
7.4.320.0060.00016.66
7.4.300.0000.00816.45
7.4.290.0000.00716.64
7.4.280.0060.00316.53
7.4.270.0030.00316.64
7.4.260.0070.00016.67
7.4.250.0000.00816.58
7.4.240.0030.00316.58
7.4.230.0070.00016.53
7.4.220.0140.00416.40
7.4.210.0100.00316.51
7.4.200.0000.00716.43
7.4.160.0060.01316.51
7.4.150.0040.01417.40
7.4.140.0160.00717.86
7.4.130.0130.00416.58
7.4.120.0110.00916.48
7.4.110.0110.00716.44
7.4.100.0140.00316.47
7.4.90.0090.00916.32
7.4.80.0090.00919.39
7.4.70.0140.00316.43
7.4.60.0000.01516.60
7.4.50.0090.00616.40
7.4.40.0100.01016.48
7.4.30.0090.01416.68
7.4.00.0070.00715.05
7.3.330.0030.00313.12
7.3.320.0000.00613.20
7.3.310.0070.00016.05
7.3.300.0060.00016.27
7.3.290.0080.01116.31
7.3.280.0100.00716.31
7.3.270.0130.00317.40
7.3.260.0130.01016.27
7.3.250.0100.01016.32
7.3.240.0080.01116.46
7.3.230.0100.00716.55
7.3.210.0040.01816.27
7.3.200.0050.01119.39
7.3.190.0080.00816.30
7.3.180.0140.00316.33
7.3.170.0130.00316.47
7.3.160.0110.01116.61
7.3.10.0070.00716.71
7.3.00.0030.01416.63
7.2.330.0040.01316.77
7.2.320.0090.00916.26
7.2.310.0100.00616.82
7.2.300.0120.00416.81
7.2.290.0160.00016.76
7.2.130.0030.01516.95
7.2.120.0030.01317.03
7.2.110.0090.00616.98
7.2.100.0000.01017.13
7.2.90.0030.00917.10
7.2.80.0030.00916.95
7.2.70.0100.00317.16
7.2.60.0070.00717.08
7.2.50.0120.00417.03
7.2.40.0070.00717.01
7.2.30.0040.01117.02
7.2.20.0000.01116.66
7.2.10.0090.00616.95
7.2.00.0030.01118.20
7.1.250.0040.00815.73
7.1.100.0060.00617.82
7.1.70.0030.00617.11
7.1.60.0100.01319.30
7.1.50.0270.01034.43
7.1.00.0100.07022.27
7.0.200.0030.00716.71
7.0.60.0200.05019.93
7.0.50.0130.07317.78
7.0.40.0130.06720.03
7.0.30.0270.08020.09
7.0.20.0400.07020.16
7.0.10.0100.06720.00
7.0.00.0070.04320.33
5.6.210.0100.03320.62
5.6.200.0070.08318.11
5.6.190.0030.04020.64
5.6.180.0500.03020.77
5.6.170.0170.04320.48
5.6.160.0070.06720.37
5.6.150.0000.04318.11
5.6.140.0100.03318.12
5.6.130.0200.07718.14
5.6.120.0030.04020.98
5.6.110.0370.05320.97
5.6.100.0070.08320.93
5.6.90.0130.07720.95
5.6.80.0100.08020.51
5.5.350.0170.06320.40
5.5.340.0000.04317.89
5.5.330.0000.04320.25
5.5.320.0370.08020.29
5.5.310.0170.06320.29
5.5.300.0070.08017.96
5.5.290.0130.06018.02
5.5.280.0000.04320.87
5.5.270.0030.08320.74
5.5.260.0170.06020.76
5.5.250.0030.07720.65
5.5.240.0230.06720.25

preferences:
39.43 ms | 401 KiB | 5 Q