3v4l.org

run code in 300+ PHP versions simultaneously
<?php $data = ["foo"=>"bar"]; $key = "foo"; echo "$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)
8.3.60.0070.01416.75
8.3.50.0060.00816.34
8.3.40.0110.00418.68
8.3.30.0000.01418.66
8.3.20.0040.00420.39
8.3.10.0070.00021.93
8.3.00.0040.00423.53
8.2.180.0100.00716.86
8.2.170.0030.01322.96
8.2.160.0090.00920.52
8.2.150.0040.00424.18
8.2.140.0070.00024.66
8.2.130.0080.00019.77
8.2.120.0040.00426.35
8.2.110.0070.00322.08
8.2.100.0070.00417.84
8.2.90.0030.00619.17
8.2.80.0090.00017.97
8.2.70.0040.00417.75
8.2.60.0050.00218.04
8.2.50.0040.00718.07
8.2.40.0050.00322.25
8.2.30.0000.00819.41
8.2.20.0050.00217.69
8.2.10.0040.00418.12
8.2.00.0000.00718.23
8.1.280.0110.00425.92
8.1.270.0090.00623.84
8.1.260.0040.00428.09
8.1.250.0000.00728.09
8.1.240.0060.00320.87
8.1.230.0060.00617.45
8.1.220.0000.00817.89
8.1.210.0060.00318.77
8.1.200.0050.00517.35
8.1.190.0040.00417.35
8.1.180.0000.00818.10
8.1.170.0080.00018.50
8.1.160.0000.00720.76
8.1.150.0000.00818.88
8.1.140.0030.00519.61
8.1.130.0040.00417.70
8.1.120.0040.00417.37
8.1.110.0000.00717.45
8.1.100.0080.00017.35
8.1.90.0040.00417.41
8.1.80.0000.00817.40
8.1.70.0030.00317.46
8.1.60.0060.00317.57
8.1.50.0030.00717.55
8.1.40.0040.00417.41
8.1.30.0080.00017.54
8.1.20.0000.00717.55
8.1.10.0000.00817.59
8.1.00.0000.00717.36
8.0.300.0040.00418.77
8.0.290.0000.00716.75
8.0.280.0030.00318.40
8.0.270.0000.00717.17
8.0.260.0060.00317.16
8.0.250.0020.00516.90
8.0.240.0000.00817.01
8.0.230.0080.00016.91
8.0.220.0050.00216.97
8.0.210.0070.00016.98
8.0.200.0060.00016.94
8.0.190.0040.00417.05
8.0.180.0040.00416.99
8.0.170.0040.00417.02
8.0.160.0030.00516.94
8.0.150.0070.00016.85
8.0.140.0000.00716.88
8.0.130.0080.00013.39
8.0.120.0080.00016.95
8.0.110.0000.00816.78
8.0.100.0000.00716.88
8.0.90.0070.00017.02
8.0.80.0110.00416.87
8.0.70.0000.00816.93
8.0.60.0040.00416.87
8.0.50.0050.00216.98
8.0.30.0100.00917.28
8.0.20.0110.00817.40
8.0.10.0080.00016.89
8.0.00.0080.01116.91
7.4.330.0050.00016.70
7.4.320.0030.00316.55
7.4.300.0030.00316.49
7.4.290.0000.00816.52
7.4.280.0070.00316.59
7.4.270.0030.00316.37
7.4.260.0040.00416.44
7.4.250.0000.00916.37
7.4.240.0030.00416.47
7.4.230.0000.00716.67
7.4.220.0180.00716.48
7.4.210.0070.01416.43
7.4.200.0050.00316.61
7.4.160.0100.00716.45
7.4.150.0100.00717.40
7.4.140.0150.00617.86
7.4.130.0080.01116.54
7.4.120.0080.00916.47
7.4.110.0030.01416.47
7.4.100.0120.01216.57
7.4.90.0030.01616.46
7.4.80.0030.01719.39
7.4.70.0090.00916.43
7.4.60.0080.00816.61
7.4.50.0110.00316.18
7.4.40.0080.00816.32
7.4.30.0090.01616.59
7.4.00.0080.01014.95
7.3.330.0050.00013.13
7.3.320.0000.00613.23
7.3.310.0030.00616.36
7.3.300.0030.00316.37
7.3.290.0140.00216.36
7.3.280.0070.00816.35
7.3.270.0040.01217.40
7.3.260.0090.00616.58
7.3.240.0130.00516.47
7.3.230.0070.01016.39
7.3.210.0030.01416.54
7.3.200.0040.01419.39
7.3.190.0110.01116.39
7.3.180.0090.00616.37
7.3.170.0100.00716.56
7.3.160.0090.00616.43
7.3.120.0050.01314.78
7.3.110.0090.00814.93
7.3.100.0070.00714.72
7.3.90.0060.00914.62
7.3.80.0080.00814.87
7.3.70.0030.01114.76
7.3.60.0090.00614.83
7.3.50.0040.00914.78
7.3.40.0030.01114.54
7.3.30.0080.00814.86
7.3.20.0020.00916.69
7.3.10.0050.00816.72
7.3.00.0060.00516.84
7.2.330.0030.01316.61
7.2.320.0000.01816.52
7.2.310.0110.00816.52
7.2.300.0130.00916.80
7.2.290.0100.00716.67
7.2.250.0090.00815.10
7.2.240.0070.01215.06
7.2.230.0090.00914.87
7.2.220.0060.00915.02
7.2.210.0030.00915.01
7.2.200.0040.01115.03
7.2.190.0000.01415.05
7.2.180.0070.00814.93
7.2.170.0090.00614.92
7.2.160.0060.00615.18
7.2.150.0070.00716.93
7.2.140.0000.01416.89
7.2.130.0000.01417.00
7.2.120.0070.00716.90
7.2.110.0140.00516.72
7.2.100.0000.01416.82
7.2.90.0100.00316.92
7.2.80.0030.01016.98
7.2.70.0100.00316.98
7.2.60.0110.00217.01
7.2.50.0100.00716.80
7.2.40.0060.01216.98
7.2.30.0040.00716.98
7.2.20.0070.00716.69
7.2.10.0090.00316.92
7.2.00.0030.01118.16
7.1.330.0080.00515.85
7.1.320.0060.00715.87
7.1.310.0060.00815.72
7.1.300.0020.01415.69
7.1.290.0030.01015.63
7.1.280.0050.01015.60
7.1.270.0060.00715.74
7.1.260.0020.00615.62
7.1.250.0070.00715.92
7.1.240.0030.00915.71
7.1.230.0040.00815.79
7.1.220.0030.00615.74
7.1.210.0040.00715.57
7.1.200.0060.00715.69
7.1.190.0030.00615.66
7.1.180.0060.00315.49
7.1.170.0070.01015.89
7.1.160.0040.00715.98
7.1.150.0040.01015.63
7.1.140.0000.01115.91
7.1.130.0060.00615.82
7.1.120.0000.01715.86
7.1.110.0070.00315.78
7.1.100.0080.00817.06
7.1.90.0000.01215.78
7.1.80.0090.00616.00
7.1.70.0050.00816.49
7.1.60.0090.01117.53
7.1.50.0080.00816.19
7.1.40.0030.00715.72
7.1.30.0070.01315.73
7.1.20.0110.00415.86
7.1.10.0060.00615.69
7.1.00.0050.04019.07
7.0.330.0000.01115.50
7.0.320.0080.00415.49
7.0.310.0040.00815.20
7.0.300.0060.00915.25
7.0.290.0030.00615.32
7.0.280.0080.00615.27
7.0.270.0070.00715.42
7.0.260.0030.01015.57
7.0.250.0090.00615.34
7.0.240.0000.00915.51
7.0.230.0070.00715.19
7.0.220.0080.00615.29
7.0.210.0060.00915.34
7.0.200.0080.00716.01
7.0.190.0060.00615.43
7.0.180.0040.00815.47
7.0.170.0070.00715.34
7.0.160.0160.00315.42
7.0.150.0100.00615.61
7.0.140.0000.00815.36
7.0.130.0130.00315.57
7.0.120.0000.01215.50
7.0.110.0060.00315.33
7.0.100.0070.00415.55
7.0.90.0030.00515.34
7.0.80.0030.01015.09
7.0.70.0070.00315.53
7.0.60.0140.04018.68
7.0.50.0030.04416.58
7.0.40.0100.02316.93
7.0.30.0170.03516.98
7.0.20.0230.03316.94
7.0.10.0110.02816.75
7.0.00.0060.03816.85
5.6.400.0040.00814.40
5.6.390.0060.00614.52
5.6.380.0040.00714.63
5.6.370.0040.01114.29
5.6.360.0100.00614.34
5.6.350.0060.00314.32
5.6.340.0030.00614.38
5.6.330.0110.00414.65
5.6.320.0080.00514.61
5.6.310.0090.00314.49
5.6.300.0000.01614.18
5.6.290.0050.00314.34
5.6.280.0030.03517.61
5.6.270.0040.01514.30
5.6.260.0030.00614.34
5.6.250.0070.00414.28
5.6.240.0030.01214.44
5.6.230.0110.00314.29
5.6.220.0060.00914.68
5.6.210.0070.04417.46
5.6.200.0020.02516.35
5.6.190.0070.04217.57
5.6.180.0250.04217.43
5.6.170.0130.03517.57
5.6.160.0070.04817.30
5.6.150.0030.03116.19
5.6.140.0020.04016.36
5.6.130.0060.04416.41
5.6.120.0030.04717.76
5.6.110.0050.04017.55
5.6.100.0030.02517.71
5.6.90.0110.02017.57
5.6.80.0000.05117.35
5.6.70.0040.01114.45
5.6.60.0040.01114.27
5.6.50.0100.00714.34
5.6.40.0080.00814.07
5.6.30.0030.01014.36
5.6.20.0040.00814.25
5.6.10.0030.00914.49
5.6.00.0060.00614.41
5.5.380.0040.00713.97
5.5.370.0030.00614.47
5.5.360.0030.00614.24
5.5.350.0130.04317.31
5.5.340.0080.04416.10
5.5.330.0040.02317.16
5.5.320.0320.02517.23
5.5.310.0130.04517.17
5.5.300.0080.04316.19
5.5.290.0100.04015.96
5.5.280.0060.02317.51
5.5.270.0100.02117.51
5.5.260.0070.04517.40
5.5.250.0070.03017.61
5.5.240.0120.03717.33
5.5.230.0030.01014.11
5.5.220.0030.01014.19
5.5.210.0040.01114.22
5.5.200.0030.01314.43
5.5.190.0090.00614.19
5.5.180.0000.00914.18
5.5.170.0000.00914.05
5.5.160.0090.00314.03
5.5.150.0030.00914.52
5.5.140.0060.00614.39
5.5.130.0030.00614.27
5.5.120.0070.00314.09
5.5.110.0140.00014.37
5.5.100.0000.01114.20
5.5.90.0000.01214.35
5.5.80.0110.00414.33
5.5.70.0110.00413.96
5.5.60.0100.00314.18
5.5.50.0030.01114.28
5.5.40.0130.00014.37
5.5.30.0070.01014.23
5.5.20.0040.01014.24
5.5.10.0000.01713.90
5.5.00.0030.00513.91

preferences:
71.13 ms | 401 KiB | 5 Q