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; 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)
8.3.60.0120.00616.63
8.3.50.0090.00616.52
8.3.40.0140.00418.79
8.3.30.0040.01118.88
8.3.20.0000.00720.16
8.3.10.0060.00323.65
8.3.00.0130.00623.64
8.2.180.0140.00318.54
8.2.170.0140.00322.96
8.2.160.0030.01020.52
8.2.150.0000.00824.18
8.2.140.0030.00624.66
8.2.130.0040.00419.82
8.2.120.0080.00026.35
8.2.110.0070.00322.24
8.2.100.0040.00719.45
8.2.90.0090.00017.88
8.2.80.0050.00319.31
8.2.70.0040.00417.93
8.2.60.0050.00318.22
8.2.50.0000.00719.34
8.2.40.0080.00320.60
8.2.30.0000.00719.43
8.2.20.0040.00417.70
8.2.10.0000.00918.08
8.2.00.0040.00418.12
8.1.280.0090.00625.92
8.1.270.0060.00323.92
8.1.260.0000.00728.09
8.1.250.0080.00028.09
8.1.240.0090.00022.65
8.1.230.0000.01218.97
8.1.220.0060.00317.74
8.1.210.0080.00018.77
8.1.200.0050.00517.35
8.1.190.0030.00617.35
8.1.180.0040.00418.10
8.1.170.0050.00318.71
8.1.160.0040.00420.67
8.1.150.0040.00418.89
8.1.140.0040.00419.52
8.1.130.0070.00017.54
8.1.120.0040.00417.48
8.1.110.0070.00017.50
8.1.100.0030.00417.30
8.1.90.0040.00417.42
8.1.80.0040.00417.39
8.1.70.0040.00417.51
8.1.60.0090.00017.52
8.1.50.0040.00417.55
8.1.40.0000.00817.56
8.1.30.0030.00617.68
8.1.20.0000.00717.49
8.1.10.0040.00417.48
8.1.00.0050.00317.48
8.0.300.0110.00019.65
8.0.290.0040.00416.75
8.0.280.0000.00718.36
8.0.270.0000.00717.25
8.0.260.0060.00017.13
8.0.250.0000.00716.97
8.0.240.0040.00417.03
8.0.230.0040.00416.97
8.0.220.0040.00416.81
8.0.210.0080.00016.95
8.0.200.0060.00316.87
8.0.190.0040.00417.05
8.0.180.0000.00716.87
8.0.170.0080.00016.95
8.0.160.0000.00716.91
8.0.150.0070.00016.86
8.0.140.0000.00916.91
8.0.130.0000.00913.34
8.0.120.0000.00816.90
8.0.110.0070.00016.86
8.0.100.0000.00816.86
8.0.90.0040.00416.84
8.0.80.0130.00316.83
8.0.70.0070.00016.86
8.0.60.0000.00716.76
8.0.50.0000.00716.91
8.0.30.0110.00717.06
8.0.20.0120.00717.40
8.0.10.0000.00716.95
8.0.00.0090.01016.75
7.4.330.0030.00316.71
7.4.320.0000.00616.41
7.4.300.0030.00316.40
7.4.290.0000.00716.40
7.4.280.0070.00316.50
7.4.270.0070.00016.48
7.4.260.0030.00316.53
7.4.250.0000.00716.47
7.4.240.0050.00216.42
7.4.230.0040.00416.43
7.4.220.0110.00616.40
7.4.210.0030.01316.50
7.4.200.0030.00316.63
7.4.160.0080.00816.50
7.4.150.0100.00717.40
7.4.140.0140.00717.86
7.4.130.0110.00616.45
7.4.120.0130.00316.54
7.4.110.0000.01716.29
7.4.100.0100.01316.53
7.4.90.0100.00716.59
7.4.80.0130.00619.39
7.4.70.0070.01416.54
7.4.60.0070.01116.38
7.4.50.0000.01616.42
7.4.40.0100.00716.48
7.4.30.0120.00616.54
7.4.00.0060.00914.97
7.3.330.0020.00213.12
7.3.320.0040.00413.21
7.3.310.0000.00716.40
7.3.300.0070.00016.36
7.3.290.0070.00916.28
7.3.280.0090.00916.36
7.3.270.0090.01217.40
7.3.260.0140.00316.43
7.3.250.0160.00316.51
7.3.240.0090.00816.40
7.3.230.0110.01116.46
7.3.210.0140.00716.47
7.3.200.0160.00419.39
7.3.190.0100.00616.34
7.3.180.0090.00616.45
7.3.170.0160.00016.50
7.3.160.0110.00516.44
7.2.330.0060.01116.75
7.2.320.0070.01016.54
7.2.310.0030.01316.53
7.2.300.0080.00816.46
7.2.290.0040.01316.63
7.2.110.0060.00616.34
7.2.100.0110.00316.71
7.2.90.0070.00716.64
7.2.80.0000.00716.58
7.2.70.0030.00916.98
7.2.60.0080.00717.00
7.2.50.0070.00716.85
7.2.40.0070.00716.96
7.2.30.0110.00416.98
7.2.20.0030.01017.01
7.2.10.0000.01616.88
7.2.00.0020.01317.98
7.1.230.0090.00315.91
7.1.220.0070.00015.96
7.1.210.0040.01115.52
7.1.200.0050.00815.81
7.1.190.0000.01215.70
7.1.180.0100.00315.73
7.1.170.0000.01215.45
7.1.160.0040.00815.70
7.1.150.0030.00615.67
7.1.140.0060.00315.53
7.1.130.0110.00015.93
7.1.120.0090.00315.70
7.1.110.0060.00616.03
7.1.100.0020.00616.80
7.1.90.0000.01015.76
7.1.80.0060.00615.88
7.1.70.0070.00416.32
7.1.60.0090.01217.65
7.1.50.0050.01316.28
7.1.40.0070.00715.78
7.1.30.0060.01015.86
7.1.20.0080.00615.80
7.1.10.0040.00715.73
7.1.00.0030.04319.21
7.0.310.0060.00615.40
7.0.300.0030.00315.05
7.0.290.0070.00415.43
7.0.280.0030.00615.20
7.0.270.0060.00615.33
7.0.260.0000.00715.35
7.0.250.0060.00615.40
7.0.240.0040.00415.16
7.0.230.0030.00915.32
7.0.220.0070.00715.51
7.0.210.0000.01315.43
7.0.200.0040.00816.03
7.0.190.0000.01315.50
7.0.180.0070.00415.43
7.0.170.0030.00915.47
7.0.160.0040.00415.20
7.0.150.0040.00815.60
7.0.140.0040.00715.65
7.0.130.0070.00015.47
7.0.120.0120.00015.57
7.0.110.0030.00815.53
7.0.100.0060.00615.54
7.0.90.0080.00415.28
7.0.80.0070.00715.49
7.0.70.0060.00315.54
7.0.60.0170.04017.59
7.0.50.0020.03016.71
7.0.40.0070.03016.87
7.0.30.0250.04116.82
7.0.20.0150.04316.88
7.0.10.0070.04116.66
7.0.00.0060.04116.86
5.6.380.0040.01114.41
5.6.370.0030.01314.50
5.6.360.0060.00614.30
5.6.350.0080.00014.39
5.6.340.0030.00914.59
5.6.330.0110.00014.43
5.6.320.0060.00014.09
5.6.310.0070.00714.47
5.6.300.0030.00714.60
5.6.290.0000.01314.50
5.6.280.0040.03517.82
5.6.270.0070.00014.55
5.6.260.0000.00814.38
5.6.250.0110.00014.57
5.6.240.0060.00314.32
5.6.230.0030.01014.39
5.6.220.0000.01414.54
5.6.210.0050.02317.50
5.6.200.0060.04016.44
5.6.190.0080.02217.50
5.6.180.0270.03317.47
5.6.170.0150.02017.27
5.6.160.0060.03617.35
5.6.150.0030.03716.16
5.6.140.0010.02716.18
5.6.130.0080.02816.45
5.6.120.0030.02617.74
5.6.110.0120.04017.66
5.6.100.0070.04617.79
5.6.90.0130.03917.72
5.6.80.0080.04317.33
5.6.70.0000.01314.46
5.6.60.0000.00814.33
5.6.50.0040.01214.48
5.6.40.0060.00914.44
5.6.30.0060.00614.39
5.6.20.0040.00714.53
5.6.10.0080.00414.10
5.6.00.0070.00014.35
5.5.380.0030.00511.05
5.5.370.0000.00811.33
5.5.360.0000.00511.17
5.5.350.0080.04315.82
5.5.340.0040.01914.54
5.5.330.0050.02215.58
5.5.320.0190.02515.75
5.5.310.0180.03815.68
5.5.300.0090.03014.52
5.5.290.0090.02314.54
5.5.280.0080.01815.82
5.5.270.0080.03916.06
5.5.260.0070.02915.83
5.5.250.0070.04415.85
5.5.240.0100.03015.67
5.5.230.0080.00310.95
5.5.220.0060.00611.13
5.5.210.0040.00711.20
5.5.200.0000.00611.28
5.5.190.0000.01110.97
5.5.180.0000.00511.14
5.5.170.0100.00314.30
5.5.160.0090.00010.96
5.5.150.0060.00011.20
5.5.140.0050.00311.04
5.5.130.0040.00411.27
5.5.120.0050.00511.03
5.5.110.0030.00310.99
5.5.100.0080.00310.95
5.5.90.0030.00611.30
5.5.80.0000.00510.98
5.5.70.0030.00611.01
5.5.60.0030.00711.25
5.5.50.0000.01010.95
5.5.40.0040.00711.16
5.5.30.0080.00311.29
5.5.20.0100.00011.23
5.5.10.0090.00311.04
5.5.00.0080.00311.09

preferences:
58.54 ms | 401 KiB | 5 Q