3v4l.org

run code in 300+ PHP versions simultaneously
<?php $obj = new stdClass(); $obj->bar = "xyz"; $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";

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)
8.3.70.0040.01118.18
8.3.60.0120.00318.55
8.3.50.0110.00721.20
8.3.40.0070.00718.77
8.3.30.0040.01118.71
8.3.20.0040.00420.29
8.3.10.0050.00323.66
8.3.00.0120.00323.65
8.2.190.0070.01516.88
8.2.180.0110.01117.97
8.2.170.0090.00622.96
8.2.160.0070.00719.50
8.2.150.0040.00424.18
8.2.140.0080.00024.66
8.2.130.0040.00419.83
8.2.120.0080.00026.35
8.2.110.0060.00322.25
8.2.100.0000.01218.16
8.2.90.0000.00819.41
8.2.80.0000.00918.16
8.2.70.0000.00817.63
8.2.60.0040.00417.93
8.2.50.0030.00618.07
8.2.40.0100.00020.47
8.2.30.0070.00019.36
8.2.20.0030.00517.81
8.2.10.0030.00618.03
8.2.00.0000.00818.18
8.1.280.0150.00625.92
8.1.270.0040.00423.79
8.1.260.0070.00028.09
8.1.250.0040.00428.09
8.1.240.0090.00023.98
8.1.230.0070.00318.98
8.1.220.0080.00017.78
8.1.210.0080.00018.77
8.1.200.0060.00317.23
8.1.190.0000.00817.25
8.1.180.0050.00218.10
8.1.170.0000.00818.66
8.1.160.0080.00020.75
8.1.150.0070.00018.85
8.1.140.0040.00417.45
8.1.130.0030.00317.61
8.1.120.0040.00417.49
8.1.110.0020.00517.40
8.1.100.0070.00017.48
8.1.90.0040.00417.35
8.1.80.0050.00217.36
8.1.70.0040.00417.38
8.1.60.0050.00317.55
8.1.50.0080.00017.56
8.1.40.0050.00317.59
8.1.30.0030.00517.63
8.1.20.0000.00717.55
8.1.10.0080.00017.55
8.1.00.0070.00017.48
8.0.300.0040.00718.77
8.0.290.0040.00416.75
8.0.280.0070.00018.44
8.0.270.0020.00516.73
8.0.260.0050.00317.18
8.0.250.0030.00316.99
8.0.240.0040.00416.98
8.0.230.0030.00316.99
8.0.220.0040.00416.91
8.0.210.0070.00016.84
8.0.200.0000.00916.96
8.0.190.0000.00716.93
8.0.180.0040.00416.84
8.0.170.0080.00016.77
8.0.160.0040.00416.89
8.0.150.0000.00716.76
8.0.140.0050.00516.87
8.0.130.0090.00013.39
8.0.120.0000.00816.68
8.0.110.0000.00816.85
8.0.100.0050.00316.79
8.0.90.0070.00016.96
8.0.80.0060.00916.86
8.0.70.0050.00216.88
8.0.60.0030.00516.93
8.0.50.0040.00416.91
8.0.30.0120.00717.09
8.0.20.0110.01017.40
8.0.10.0080.00017.06
8.0.00.0060.01216.85
7.4.330.0050.00016.79
7.4.320.0000.00616.62
7.4.300.0040.00416.60
7.4.290.0030.00316.57
7.4.280.0030.00716.59
7.4.270.0030.00316.43
7.4.260.0000.00716.59
7.4.250.0050.00316.41
7.4.240.0020.00516.64
7.4.230.0030.00316.57
7.4.220.0170.00316.50
7.4.210.0000.01416.40
7.4.200.0000.00716.58
7.4.160.0030.01216.42
7.4.150.0040.01417.40
7.4.140.0150.00717.86
7.4.130.0100.01016.41
7.4.120.0120.00516.44
7.4.110.0150.00316.18
7.4.100.0150.00916.29
7.4.90.0030.01316.60
7.4.80.0100.00719.39
7.4.70.0090.01216.18
7.4.60.0060.00916.25
7.4.50.0060.00616.50
7.4.40.0070.01316.60
7.4.30.0200.00316.63
7.4.00.0070.01214.81
7.3.330.0050.00013.21
7.3.320.0060.00013.25
7.3.310.0030.00316.09
7.3.300.0030.00316.28
7.3.290.0050.01316.25
7.3.280.0060.01116.32
7.3.270.0110.00617.40
7.3.260.0110.00716.57
7.3.250.0120.00816.52
7.3.240.0110.00916.45
7.3.230.0090.00916.51
7.3.210.0110.00616.32
7.3.200.0120.00319.39
7.3.190.0160.00616.48
7.3.180.0130.00316.33
7.3.170.0110.00616.39
7.3.160.0110.00516.55
7.3.120.0110.01115.05
7.3.110.0030.01614.74
7.3.100.0040.01214.81
7.3.90.0040.00714.93
7.3.80.0090.00614.68
7.3.70.0000.00814.90
7.3.60.0080.00314.87
7.3.50.0110.00014.73
7.3.40.0030.01514.87
7.3.30.0000.01314.62
7.3.20.0040.01116.86
7.3.10.0040.00816.70
7.3.00.0030.01016.60
7.2.330.0160.00816.54
7.2.320.0110.00616.34
7.2.310.0060.01016.78
7.2.300.0140.00416.36
7.2.290.0130.00716.85
7.2.250.0130.01015.30
7.2.240.0090.00915.03
7.2.230.0040.01414.67
7.2.220.0090.00315.01
7.2.210.0030.01315.18
7.2.200.0000.01315.28
7.2.190.0060.00314.89
7.2.180.0060.00914.98
7.2.170.0070.01114.80
7.2.130.0070.01116.88
7.2.120.0060.00616.91
7.2.110.0030.00916.84
7.2.100.0120.00316.68
7.2.90.0040.01117.11
7.2.80.0040.00716.93
7.2.70.0060.00617.16
7.2.60.0100.00316.63
7.2.50.0060.00616.75
7.2.40.0070.01117.23
7.2.30.0090.00617.03
7.2.20.0120.00317.07
7.2.10.0080.00616.94
7.2.00.0060.00618.13
7.1.330.0080.00615.83
7.1.320.0080.00415.97
7.1.310.0070.00715.86
7.1.300.0070.00715.71
7.1.290.0120.00315.78
7.1.280.0070.00715.80
7.1.270.0060.00915.66
7.1.260.0100.00315.74
7.1.250.0080.00315.70
7.1.100.0100.00717.56
7.1.70.0000.00817.20
7.1.60.0130.01319.30
7.1.50.0270.01434.42
7.1.00.0070.07322.46
7.0.200.0000.00916.72
7.0.60.0300.08020.00
7.0.50.0130.07017.80
7.0.40.0000.07320.30
7.0.30.0430.06720.02
7.0.20.0400.07320.27
7.0.10.0270.04020.15
7.0.00.0070.08320.12
5.6.280.0030.05321.07
5.6.210.0130.07320.47
5.6.200.0170.07718.09
5.6.190.0170.07720.49
5.6.180.0430.04020.29
5.6.170.0300.07720.62
5.6.160.0130.04320.70
5.6.150.0170.03718.13
5.6.140.0100.07318.21
5.6.130.0130.08018.12
5.6.120.0170.04720.86
5.6.110.0170.07720.96
5.6.100.0130.05321.13
5.6.90.0130.06320.87
5.6.80.0000.04320.35
5.5.350.0270.06720.43
5.5.340.0100.04317.89
5.5.330.0000.05320.37
5.5.320.0230.08320.31
5.5.310.0270.03720.18
5.5.300.0000.04018.02
5.5.290.0170.06317.93
5.5.280.0100.08020.77
5.5.270.0130.03720.95
5.5.260.0000.04720.79
5.5.250.0130.07320.69
5.5.240.0170.08020.26

preferences:
68.74 ms | 402 KiB | 5 Q