3v4l.org

run code in 300+ PHP versions simultaneously
<?php $o = []; @$var = ["",0,null,1,2,3,$foo,$o['myIndex']]; array_walk($var, function($v) { echo (!isset($v) || $v == false) ? 'lol ' : 'false'; echo ' ' . (empty($v) ? 'true' : 'false'); echo "\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)
8.3.40.0120.00318.57
8.3.30.0110.00418.79
8.3.20.0080.00021.73
8.3.10.0040.00421.89
8.3.00.0080.00020.71
8.2.170.0030.01022.96
8.2.160.0160.00020.38
8.2.150.0000.00824.18
8.2.140.0080.00024.66
8.2.130.0040.00419.33
8.2.120.0030.00626.35
8.2.110.0060.00321.12
8.2.100.0120.00017.91
8.2.90.0030.00617.91
8.2.80.0050.00219.34
8.2.70.0090.00017.92
8.2.60.0080.00017.63
8.2.50.0040.00418.16
8.2.40.0000.00822.32
8.2.30.0000.00819.61
8.2.20.0050.00318.01
8.2.10.0070.00017.69
8.2.00.0050.00218.16
8.1.270.0150.00323.87
8.1.260.0040.00426.35
8.1.250.0000.00728.09
8.1.240.0040.00820.69
8.1.230.0090.00320.87
8.1.220.0090.00017.76
8.1.210.0090.00018.77
8.1.200.0050.00317.36
8.1.190.0040.00417.35
8.1.180.0000.00718.10
8.1.170.0030.00618.51
8.1.160.0070.00018.82
8.1.150.0050.00219.07
8.1.140.0040.00417.75
8.1.130.0030.00320.28
8.1.120.0000.00917.49
8.1.110.0040.00417.51
8.1.100.0070.00017.47
8.1.90.0030.00317.50
8.1.80.0000.00817.46
8.1.70.0030.00517.46
8.1.60.0000.00917.48
8.1.50.0000.00917.41
8.1.40.0070.00317.51
8.1.30.0000.00817.66
8.1.20.0050.00317.62
8.1.10.0040.00417.63
8.1.00.0070.00417.38
8.0.300.0030.00519.91
8.0.290.0040.00416.75
8.0.280.0070.00018.36
8.0.270.0070.00017.21
8.0.260.0030.00316.85
8.0.250.0040.00416.96
8.0.240.0000.00716.93
8.0.230.0070.00017.01
8.0.220.0050.00316.89
8.0.210.0030.00316.92
8.0.200.0040.00416.91
8.0.190.0060.00317.05
8.0.180.0020.00516.98
8.0.170.0040.00416.95
8.0.160.0000.00716.93
8.0.150.0000.00716.86
8.0.140.0000.00716.84
8.0.130.0050.00013.39
8.0.120.0000.00716.85
8.0.110.0000.00716.77
8.0.100.0000.00716.84
8.0.90.0070.00016.95
8.0.80.0060.01117.00
8.0.70.0070.00016.85
8.0.60.0000.00716.95
8.0.50.0000.00816.96
8.0.30.0110.00917.16
8.0.20.0120.01317.40
8.0.10.0040.00417.13
8.0.00.0140.01016.84
7.4.330.0020.00215.55
7.4.320.0030.00316.52
7.4.300.0000.00616.49
7.4.290.0040.00416.45
7.4.280.0000.00816.63
7.4.270.0000.00716.53
7.4.260.0040.00416.45
7.4.250.0030.00316.47
7.4.240.0040.00416.66
7.4.230.0030.00316.47
7.4.220.0000.00816.71
7.4.210.0090.00916.62
7.4.200.0070.00016.40
7.4.160.0070.00816.46
7.4.140.0100.00717.86
7.4.130.0100.00916.45
7.4.120.0130.00716.60
7.4.110.0070.01016.54
7.4.100.0060.01516.52
7.4.90.0070.01016.55
7.4.80.0090.01019.39
7.4.70.0100.00616.59
7.4.60.0030.01316.47
7.4.50.0070.01116.55
7.4.40.0080.00816.33
7.4.00.0040.01114.94
7.3.330.0050.00013.30
7.3.320.0000.00613.22
7.3.310.0050.00316.39
7.3.300.0030.00316.29
7.3.290.0030.00316.40
7.3.280.0120.00716.45
7.3.260.0090.01016.58
7.3.240.0090.01216.49
7.3.230.0110.00816.41
7.3.210.0140.00316.45
7.3.200.0100.01016.36
7.3.190.0040.01516.71
7.3.180.0130.00316.44
7.3.170.0060.01016.65
7.3.160.0110.01116.52
7.2.330.0030.01416.52
7.2.320.0180.00016.73
7.2.310.0260.00016.79
7.2.300.0060.01616.69
7.2.290.0030.01916.68
7.2.60.0140.00517.05
7.2.50.0050.00516.51
7.2.30.0100.02017.94
7.2.20.0120.01617.74
7.2.10.0170.01417.66
7.2.00.0140.01917.86
7.1.200.0090.00415.79
7.1.150.0160.01416.95
7.1.140.0110.01116.66
7.1.130.0110.01316.62
7.1.120.0150.01516.54
7.1.110.0310.01016.09
7.1.100.0130.01116.30
7.1.90.0160.01316.04
7.1.80.0130.01616.37
7.1.70.0100.01015.20
7.1.60.0390.01333.15
7.1.50.0390.01532.63
7.1.40.0350.02132.64
7.1.30.0280.01632.79
7.1.20.0300.01732.64
7.1.10.0100.01214.70
7.1.00.0070.01115.02

preferences:
64.32 ms | 400 KiB | 5 Q