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)
8.3.60.0140.00316.50
8.3.50.0140.00421.20
8.3.40.0150.00018.81
8.3.30.0140.00018.71
8.3.20.0080.00020.26
8.3.10.0040.00423.66
8.3.00.0050.00323.66
8.2.180.0090.00918.29
8.2.170.0090.00622.96
8.2.160.0130.00320.38
8.2.150.0090.00024.18
8.2.140.0040.00424.66
8.2.130.0050.00319.82
8.2.120.0040.00426.35
8.2.110.0030.00720.94
8.2.100.0070.00417.84
8.2.90.0050.00319.27
8.2.80.0000.00817.97
8.2.70.0090.00017.63
8.2.60.0000.00818.03
8.2.50.0080.00318.07
8.2.40.0050.00322.13
8.2.30.0000.00819.35
8.2.20.0040.00417.59
8.2.10.0000.00718.09
8.2.00.0070.00018.05
8.1.280.0110.00425.92
8.1.270.0080.00023.82
8.1.260.0020.00528.09
8.1.250.0040.00428.09
8.1.240.0040.00421.32
8.1.230.0040.00817.42
8.1.220.0040.00417.74
8.1.210.0040.00418.77
8.1.200.0040.00417.35
8.1.190.0080.00017.23
8.1.180.0040.00418.10
8.1.170.0040.00418.42
8.1.160.0070.00020.73
8.1.150.0040.00418.77
8.1.140.0080.00019.45
8.1.130.0030.00317.51
8.1.120.0000.00717.22
8.1.110.0080.00017.37
8.1.100.0000.00717.32
8.1.90.0000.00817.30
8.1.80.0040.00417.45
8.1.70.0030.00317.35
8.1.60.0000.00717.52
8.1.50.0060.00317.42
8.1.40.0000.00717.41
8.1.30.0000.00817.65
8.1.20.0000.00917.56
8.1.10.0000.00717.57
8.1.00.0030.00617.35
8.0.300.0040.00418.77
8.0.290.0000.00716.75
8.0.280.0070.00018.47
8.0.270.0030.00317.25
8.0.260.0060.00018.50
8.0.250.0000.00716.91
8.0.240.0000.00716.89
8.0.230.0080.00016.79
8.0.220.0030.00516.82
8.0.210.0040.00416.91
8.0.200.0000.00616.84
8.0.190.0000.00816.85
8.0.180.0000.01216.90
8.0.170.0000.00716.96
8.0.160.0000.00716.91
8.0.150.0050.00316.71
8.0.140.0000.00716.75
8.0.130.0060.00313.32
8.0.120.0040.00416.76
8.0.110.0030.00516.83
8.0.100.0000.00716.84
8.0.90.0040.00416.92
8.0.80.0000.01516.82
8.0.70.0060.00316.90
8.0.60.0000.00816.89
8.0.50.0040.00416.71
8.0.30.0030.01717.18
8.0.20.0100.00817.40
8.0.10.0000.00716.86
8.0.00.0110.00716.80
7.4.330.0030.00316.82
7.4.320.0000.00616.50
7.4.300.0030.00316.35
7.4.290.0040.00516.48
7.4.280.0030.00616.63
7.4.270.0000.00716.39
7.4.260.0000.00716.45
7.4.250.0050.00216.51
7.4.240.0050.00216.55
7.4.230.0030.00316.49
7.4.220.0090.00916.70
7.4.210.0070.00716.49
7.4.200.0020.00516.39
7.4.160.0100.00716.64
7.4.150.0060.01217.40
7.4.140.0140.00617.86
7.4.130.0080.01116.60
7.4.120.0000.01716.53
7.4.110.0060.01216.56
7.4.100.0120.01016.69
7.4.90.0070.01116.46
7.4.80.0050.01319.39
7.4.70.0130.01016.50
7.4.60.0100.00616.46
7.4.50.0090.00916.59
7.4.40.0090.00916.46
7.4.30.0030.01616.45
7.4.00.0060.00914.73
7.3.330.0030.00313.21
7.3.320.0000.00513.22
7.3.310.0000.00716.31
7.3.300.0030.00316.21
7.3.290.0110.00616.34
7.3.280.0090.00716.34
7.3.270.0080.00817.40
7.3.260.0130.00316.34
7.3.240.0120.00716.49
7.3.230.0090.00816.53
7.3.210.0120.00616.61
7.3.200.0080.00819.39
7.3.190.0070.01316.42
7.3.180.0100.00716.43
7.3.170.0080.00816.39
7.3.160.0120.00616.30
7.3.10.0110.00416.35
7.3.00.0040.00816.86
7.2.330.0090.00916.43
7.2.320.0100.01316.71
7.2.310.0070.01016.56
7.2.300.0070.01016.69
7.2.290.0120.01016.65
7.2.130.0000.01316.86
7.2.120.0060.01016.77
7.2.110.0040.00816.89
7.2.100.0070.01016.79
7.2.90.0040.01216.95
7.2.80.0030.00716.79
7.2.70.0060.00616.88
7.2.60.0060.00716.89
7.2.50.0000.01316.93
7.2.40.0040.00816.97
7.2.30.0030.00817.11
7.2.20.0080.00416.95
7.2.10.0070.00716.91
7.2.00.0060.00916.96
7.1.250.0030.01015.53
7.1.200.0090.00615.66
7.1.70.0000.00916.89
7.1.60.0090.01619.30
7.1.50.0070.01116.86
7.1.00.0030.07322.30
7.0.200.0040.00416.79
7.0.60.0200.08021.77
7.0.50.0100.08317.72
7.0.40.0170.07719.90
7.0.30.0230.05320.16
7.0.20.0300.08320.04
7.0.10.0030.06320.00
7.0.00.0030.05720.27
5.6.280.0000.03720.91
5.6.210.0030.07020.68
5.6.200.0130.03018.19
5.6.190.0000.09020.58
5.6.180.0570.06020.78
5.6.170.0330.05320.50
5.6.160.0100.08020.52
5.6.150.0200.06718.22
5.6.140.0070.08018.12
5.6.130.0200.06318.18
5.6.120.0130.07721.00
5.6.110.0100.07021.04
5.6.100.0070.03721.03
5.6.90.0130.06021.09
5.6.80.0130.07020.38
5.5.350.0130.08020.38
5.5.340.0070.04717.99
5.5.330.0130.07320.13
5.5.320.0730.06320.30
5.5.310.0200.04720.27
5.5.300.0000.06017.97
5.5.290.0030.08317.97
5.5.280.0030.08320.96
5.5.270.0000.04320.76
5.5.260.0070.08720.88
5.5.250.0030.07320.71
5.5.240.0030.07720.04

preferences:
100.69 ms | 401 KiB | 5 Q