3v4l.org

run code in 300+ PHP versions simultaneously
<?php $array = [ [0 => 1, 1 => 5, 3 => null], [0 => 4, 1 => null, 3 => null], [0 => null, 1 => 5, 3 => 5] ]; $result = []; array_walk_recursive( $array, function($v, $k) use(&$result) { $result[$k] = ($result[$k] ?? 0) + ($v !== null); } ); var_export($result);

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)
8.4.130.0120.00717.60
8.4.120.0090.01120.72
8.4.110.0100.00622.31
8.4.100.0120.00718.86
8.4.90.0100.01118.89
8.4.80.0110.01020.70
8.4.70.0090.01218.23
8.4.60.0100.00818.47
8.4.50.0120.00817.66
8.4.40.0140.00719.31
8.4.30.0040.01518.74
8.4.20.0060.01326.10
8.4.10.0030.00623.67
8.3.260.0100.00916.58
8.3.250.0070.00918.97
8.3.240.0040.00417.08
8.3.230.0080.01216.45
8.3.220.0110.00718.60
8.3.210.0080.00916.30
8.3.200.0130.00716.41
8.3.190.0060.00317.22
8.3.180.0110.00716.50
8.3.170.0060.01218.64
8.3.160.0150.00316.57
8.3.150.0070.01119.13
8.3.140.0090.00616.35
8.3.130.0030.00618.51
8.3.120.0030.00518.86
8.3.110.0060.00320.94
8.3.100.0000.00924.06
8.3.90.0040.01126.77
8.3.80.0060.00318.30
8.3.70.0110.00718.43
8.3.60.0150.00016.50
8.3.50.0080.00616.62
8.3.40.0130.00720.17
8.3.30.0040.01118.54
8.3.20.0040.00424.18
8.3.10.0040.00424.66
8.3.00.0000.00826.16
8.2.290.0140.00620.36
8.2.280.0100.00818.25
8.2.270.0050.00317.26
8.2.260.0110.00718.41
8.2.250.0150.00418.08
8.2.240.0080.00017.07
8.2.230.0040.00422.58
8.2.220.0060.00337.54
8.2.210.0090.00626.77
8.2.200.0090.00018.54
8.2.190.0110.00316.58
8.2.180.0140.00016.38
8.2.170.0140.00018.97
8.2.160.0070.00722.96
8.2.150.0040.00425.66
8.2.140.0050.00324.66
8.2.130.0040.00426.16
8.2.120.0040.00426.16
8.2.110.0110.00019.38
8.2.100.0000.01218.03
8.2.90.0090.00019.35
8.2.80.0080.00017.97
8.2.70.0080.00017.63
8.2.60.0030.00617.93
8.2.50.0000.00818.10
8.2.40.0040.00422.26
8.2.30.0040.00418.04
8.2.20.0040.00419.25
8.2.10.0030.00619.22
8.2.00.0100.00319.00
8.1.330.0120.01022.05
8.1.320.0140.00616.18
8.1.310.0140.00318.29
8.1.300.0040.01117.73
8.1.290.0000.00930.84
8.1.280.0100.01425.92
8.1.270.0040.00424.66
8.1.260.0030.00626.35
8.1.250.0050.00328.09
8.1.240.0070.00719.28
8.1.230.0120.00019.30
8.1.220.0030.00617.74
8.1.210.0030.00618.77
8.1.200.0040.00717.36
8.1.190.0050.00317.48
8.1.180.0040.00418.10
8.1.170.0060.00318.65
8.1.160.0040.00422.14
8.1.150.0030.00518.52
8.1.140.0070.00020.89
8.1.130.0060.00620.29
8.1.120.0050.00520.36
8.1.110.0090.00220.43
8.1.100.0070.00718.75
8.1.90.0120.00320.43
8.1.80.0050.00818.70
8.1.70.0050.00518.63
8.1.60.0030.00718.85
8.1.50.0050.00518.81
8.1.40.0050.00518.77
8.1.30.0020.00718.80
8.1.20.0050.00518.86
8.1.10.0030.00720.60
8.1.00.0050.00520.31
8.0.300.0040.00418.77
8.0.290.0070.00016.75
8.0.280.0070.00018.36
8.0.270.0030.00618.06
8.0.260.0030.00619.85
8.0.250.0040.00419.90
8.0.240.0040.00418.09
8.0.230.0040.00418.03
8.0.220.0060.00318.14
8.0.210.0000.01017.94
8.0.200.0110.00019.82
8.0.190.0080.00419.77
8.0.180.0080.00018.18
8.0.170.0070.00218.11
8.0.160.0040.00418.07
8.0.150.0040.00418.05
8.0.140.0080.00417.98
8.0.130.0070.00318.10
8.0.120.0050.00518.05
8.0.110.0020.01018.12
8.0.100.0070.00317.96
8.0.90.0050.00517.92
8.0.80.0070.00418.01
8.0.70.0040.00719.72
8.0.60.0050.01018.13
8.0.50.0130.00518.00
8.0.30.0120.00517.89
8.0.20.0080.00818.14
8.0.10.0140.00019.88

preferences:
26.13 ms | 403 KiB | 5 Q