3v4l.org

run code in 300+ PHP versions simultaneously
<?php $x = '111'; $array = ['x' => 'x', 'y' => 'y']; $array = 'x'; echo $$array['x'];

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)
8.3.60.0190.00316.63
8.3.50.0120.00316.46
8.3.40.0070.01418.83
8.3.30.0120.00318.51
8.3.20.0070.00020.21
8.3.10.0040.00423.61
8.3.00.0000.00819.38
8.2.180.0160.00318.50
8.2.170.0070.01122.96
8.2.160.0070.00720.36
8.2.150.0070.00024.18
8.2.140.0000.00824.66
8.2.130.0040.00419.44
8.2.120.0070.00026.35
8.2.110.0100.00021.12
8.2.100.0070.00418.16
8.2.90.0030.00519.36
8.2.80.0080.00018.16
8.2.70.0030.00617.75
8.2.60.0000.00818.16
8.2.50.0040.00418.10
8.2.40.0040.00420.64
8.2.30.0040.00421.15
8.2.20.0000.00818.11
8.2.10.0020.00518.17
8.2.00.0000.00718.07
8.1.280.0040.01125.92
8.1.270.0040.00422.01
8.1.260.0040.00426.35
8.1.250.0000.00828.09
8.1.240.0030.00623.82
8.1.230.0060.00619.07
8.1.220.0060.00317.76
8.1.210.0040.00418.77
8.1.200.0060.00317.48
8.1.190.0040.00817.23
8.1.180.0000.00818.10
8.1.170.0000.00719.04
8.1.160.0040.00418.99
8.1.150.0040.00420.66
8.1.140.0000.01019.54
8.1.130.0000.00818.79
8.1.120.0000.00717.44
8.1.110.0040.00817.43
8.1.100.0040.00417.28
8.1.90.0000.00817.36
8.1.80.0040.00417.43
8.1.70.0070.00017.41
8.1.60.0030.00517.56
8.1.50.0060.00317.54
8.1.40.0000.00917.37
8.1.30.0070.00017.66
8.1.20.0100.00017.66
8.1.10.0030.00517.58
8.1.00.0020.00517.43
8.0.300.0000.00818.77
8.0.290.0000.00716.75
8.0.280.0030.00318.40
8.0.270.0000.00717.12
8.0.260.0030.00316.83
8.0.250.0030.00316.88
8.0.240.0030.00517.05
8.0.230.0030.00316.94
8.0.220.0030.00316.88
8.0.210.0030.00316.95
8.0.200.0030.00317.02
8.0.190.0000.00816.96
8.0.180.0020.00516.99
8.0.170.0030.00517.04
8.0.160.0060.00316.94
8.0.150.0000.00716.89
8.0.140.0070.00016.79
8.0.130.0000.00513.38
8.0.120.0030.00516.91
8.0.110.0070.00016.72
8.0.100.0080.00016.79
8.0.90.0000.00716.84
8.0.80.0140.01116.94
8.0.70.0000.00716.80
8.0.60.0040.00416.98
8.0.50.0040.00416.82
8.0.30.0110.00917.00
8.0.20.0120.01017.40
8.0.10.0000.00716.89
8.0.00.0130.01316.63
7.4.330.0000.00715.55
7.4.320.0060.00016.55
7.4.300.0060.00016.58
7.4.290.0070.00016.63
7.4.280.0040.00416.57
7.4.270.0030.00316.50
7.4.260.0050.00516.45
7.4.250.0000.00716.55
7.4.240.0040.00416.52
7.4.230.0070.00016.56
7.4.220.0050.01416.57
7.4.210.0000.01416.52
7.4.200.0040.00416.61
7.4.160.0060.01016.57
7.4.150.0090.00917.40
7.4.140.0130.01017.86
7.4.130.0030.01416.51
7.4.120.0080.01216.56
7.3.330.0000.00513.14
7.3.320.0000.00513.01
7.3.310.0000.00716.26
7.3.300.0030.00316.24
7.3.290.0080.00616.28
7.3.280.0090.00916.22
7.3.270.0110.00617.40
7.3.260.0060.01016.55
7.3.250.0100.01016.41
7.3.240.0040.01316.45
7.1.00.0140.00016.51

preferences:
56.25 ms | 400 KiB | 5 Q