3v4l.org

run code in 300+ PHP versions simultaneously
<?php $arr = ['foo', 'bar']; foreach(array_keys($arr) as $key) { var_dump($key); } $arr = ['foo' => 'foo', 'bar' => 'bar']; foreach(array_keys($arr) as $key) { var_dump($key); }

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)
8.5.20.0060.01220.12
8.5.10.0120.00616.36
8.5.00.0120.01119.92
8.4.170.0120.01022.17
8.4.160.0120.01123.88
8.4.150.0030.00014.05
8.4.140.0160.00617.58
8.4.130.0150.00617.82
8.4.120.0120.00822.22
8.4.110.0090.01118.75
8.4.100.0100.01117.55
8.4.90.0140.00717.46
8.4.80.0060.00319.14
8.4.70.0380.00817.48
8.4.60.0320.01317.68
8.4.50.0400.00617.44
8.4.40.0410.00617.09
8.4.30.0400.00817.46
8.4.20.0380.00917.29
8.4.10.0380.00717.28
8.3.300.0160.00420.75
8.3.290.0110.01022.46
8.3.280.0130.00720.17
8.3.270.0130.00616.65
8.3.260.0150.00516.31
8.3.250.0050.00218.84
8.3.240.0120.00518.86
8.3.230.0100.00716.48
8.3.220.0090.01016.73
8.3.210.0250.00616.32
8.3.200.0200.00216.52
8.3.190.0160.00516.40
8.3.180.0360.00916.20
8.3.170.0350.01416.47
8.3.160.0330.00916.23
8.3.150.0300.00816.60
8.3.140.0210.00416.43
8.3.130.0350.00816.48
8.3.120.0260.00416.25
8.3.110.0130.00516.41
8.3.100.0250.00516.49
8.3.90.0220.00816.57
8.3.80.0390.01016.29
8.3.70.0380.00916.29
8.3.60.0410.00816.21
8.3.50.0410.00716.41
8.3.40.0340.00717.37
8.3.30.0260.00617.31
8.3.20.0330.00417.38
8.3.10.0260.01117.24
8.3.00.0200.00917.45
8.2.300.0130.00620.55
8.2.290.0080.01119.01
8.2.280.0320.00616.50
8.2.270.0320.00916.46
8.2.260.0310.00716.34
8.2.250.0280.01216.45
8.2.240.0300.01316.20
8.2.230.0260.00616.58
8.2.220.0140.00416.71
8.2.210.0150.00516.36
8.2.200.0250.00216.22
8.2.190.0200.00316.29
8.2.180.0360.00716.20
8.2.170.0380.00517.49
8.2.160.0430.00517.46
8.2.150.0330.00917.51
8.2.140.0350.00617.57
8.2.130.0340.00717.63
8.2.120.0280.00717.71
8.2.110.0170.00617.72
8.2.100.0180.00517.58
8.2.90.0310.00817.77
8.2.80.0330.00717.66
8.2.70.0300.01017.24
8.2.60.0360.00417.52
8.2.50.0360.00817.72
8.2.40.0220.01117.55
8.2.30.0340.00717.36
8.2.20.0270.00517.51
8.2.10.0260.01017.51
8.2.00.0320.00917.40
8.1.340.0140.00720.13

preferences:
51.56 ms | 403 KiB | 5 Q