3v4l.org

run code in 300+ PHP versions simultaneously
<?php $rss = (object) [ 'items' => [ ['foo' => 'bar1'], ['foo' => 'bar2'], ['foo' => 'bar3'], ], ]; $feedId = 42; foreach ($rss->items as &$item) { $item['feed_id'] = $feedId; } var_export($rss);

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)
8.5.00.0120.01220.06
8.4.150.0020.00014.05
8.4.140.0160.00717.53
8.4.130.0120.00817.67
8.4.120.0120.00820.54
8.4.110.0110.00822.23
8.4.100.0140.00717.69
8.4.90.0090.01018.42
8.4.80.0140.00517.78
8.4.70.0090.01117.81
8.4.60.0110.00918.68
8.4.50.0120.00820.25
8.4.40.0130.00317.77
8.4.30.0040.00418.85
8.4.20.0090.00919.63
8.4.10.0050.00319.32
8.3.270.0070.01216.63
8.3.260.0130.00716.84
8.3.250.0140.00618.93
8.3.240.0130.00616.81
8.3.230.0080.01116.69
8.3.220.0040.00517.05
8.3.210.0070.00118.33
8.3.200.0050.00416.48
8.3.190.0040.00417.32
8.3.180.0100.00816.81
8.3.170.0070.01118.86
8.3.160.0070.01120.11
8.3.150.0060.01218.50
8.3.140.0060.01217.18
8.3.130.0000.00818.41
8.3.120.0100.00720.94
8.3.110.0040.00420.94
8.3.100.0060.00324.06
8.3.90.0040.00426.77
8.3.80.0060.00317.97
8.3.70.0080.00818.14
8.3.60.0160.00618.38
8.3.50.0070.01116.74
8.3.40.0070.01319.91
8.3.30.0140.00021.86
8.3.20.0080.00024.18
8.3.10.0040.00424.66
8.3.00.0080.00026.16
8.2.290.0110.00720.70
8.2.280.0070.01318.48
8.2.270.0040.01417.27
8.2.260.0070.00018.25
8.2.250.0090.00316.59
8.2.240.0070.00717.05
8.2.230.0160.00322.58
8.2.220.0060.01024.06
8.2.210.0180.00026.77
8.2.200.0120.00016.63
8.2.190.0110.00416.63
8.2.180.0040.01116.50
8.2.170.0110.00319.09
8.2.160.0070.00722.96
8.2.150.0090.00025.66
8.2.140.0060.00324.66
8.2.130.0030.00626.16
8.2.120.0030.00626.16
8.2.110.0060.00626.16
8.2.100.0030.00626.16
8.2.90.0040.00426.16
8.2.80.0090.00026.16
8.2.70.0070.00726.16
8.2.60.0090.00026.16
8.2.50.0090.00026.16
8.2.40.0040.00426.16
8.2.30.0090.00026.16
8.2.20.0000.00926.16
8.2.10.0060.00326.16
8.2.00.0040.00426.16
8.1.330.0090.00621.86
8.1.320.0120.00716.21
8.1.310.0070.00718.80
8.1.300.0030.00617.95
8.1.290.0130.00030.84
8.1.280.0130.00325.92
8.1.270.0040.01123.99
8.1.260.0030.00626.16
8.1.250.0090.00026.16
8.1.240.0050.00526.16
8.1.230.0050.00526.16
8.1.220.0060.00326.16
8.1.210.0070.00226.16
8.1.200.0040.00426.16
8.1.190.0060.00426.16
8.1.180.0050.00526.16
8.1.170.0100.00326.16
8.1.160.0060.00326.16
8.1.150.0000.00926.16
8.1.140.0030.00626.16
8.1.130.0100.00326.16
8.1.120.0100.00026.16
8.1.110.0060.00326.16
8.1.100.0090.00026.16
8.1.90.0030.00626.16
8.1.80.0050.00526.16
8.1.70.0090.00026.16
8.1.60.0060.00326.16
8.1.50.0100.00026.16
8.1.40.0100.00026.16
8.1.30.0060.00326.16
8.1.20.0110.00026.16
8.1.10.0090.00026.16
8.1.00.0060.00326.16
8.0.300.0000.00826.16
8.0.290.0040.00426.16
8.0.280.0090.00026.16
8.0.270.0000.00826.16
8.0.260.0050.00526.16
8.0.250.0000.00926.16
8.0.240.0040.00426.16
8.0.230.0040.00426.16
8.0.220.0040.00426.16
8.0.210.0000.00826.16
8.0.200.0040.00426.16
8.0.190.0080.00026.16
8.0.180.0080.00026.16
8.0.170.0080.00026.16
8.0.160.0040.00426.16
8.0.150.0030.00526.16
8.0.140.0050.00526.16
8.0.130.0090.00026.16
8.0.120.0070.00326.16
8.0.110.0060.00326.16
8.0.100.0070.00326.16
8.0.90.0040.00426.16
8.0.80.0040.00426.16
8.0.70.0060.00326.16
8.0.60.0090.00026.16
8.0.50.0070.00726.16
8.0.30.0030.00626.16
8.0.20.0030.00726.16
8.0.10.0000.01126.16

preferences:
112.71 ms | 403 KiB | 5 Q