3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = array( 0 => 2, 1 => 3, 2 => 10, 3 => 3, 4 => 4, 5 => 8, 6 => 5, 7 => 1, 8 => 1 ); $b = array( 0 => "Hello world poduct", 1 => "Test Product", 2 => "Hello world poduct", 3 => "Hello world poduct", 4 => "Test Product", 5 => "Test Product", 6 => "Test Product", 7 => "Test Product", 8 => "Test Product", ); #foreach usage $result = []; $numbers = $a; $names = $b; foreach ($names as $index => $name) { $result[$name] ??= 0; $result[$name] += $numbers[$index]; } var_export($result, false); #for usage $result = []; for($i=0;$i<count($a);$i++){ if(!isset($result[$b[$i]])){ $result[$b[$i]] = 0; } $result[$b[$i]] += $a[$i]; } echo PHP_EOL; var_export($result); #array_walk $result = []; array_walk($a,function($v,$i) use (&$result,$b) { if(!isset($result[$b[$i]])){ $result[$b[$i]] = 0; } $result[$b[$i]] += $v; }); echo PHP_EOL; var_export($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)
8.4.140.0130.00917.73
8.4.130.0140.00818.02
8.4.120.0100.00720.27
8.4.110.0120.00922.52
8.4.100.0070.00217.80
8.4.90.0140.00720.42
8.4.80.0080.00318.95
8.4.70.0080.00920.37
8.4.60.0160.00620.53
8.4.50.0110.01017.71
8.4.40.0140.00719.33
8.4.30.0060.00318.86
8.4.20.0060.01325.77
8.4.10.0070.01023.79
8.3.270.0130.00716.38
8.3.260.0130.00716.70
8.3.250.0050.00319.00
8.3.240.0110.00716.67
8.3.230.0060.00416.45
8.3.220.0040.00418.88
8.3.210.0090.00916.56
8.3.200.0100.00916.76
8.3.190.0030.00419.13
8.3.180.0150.00416.54
8.3.170.0070.01017.23
8.3.160.0130.00616.42
8.3.150.0100.01017.48
8.3.140.0040.00416.43
8.3.130.0000.00917.47
8.3.120.0100.01018.86
8.3.110.0070.00320.94
8.3.100.0090.00316.53
8.3.90.0040.00426.77
8.3.80.0090.00018.43
8.3.70.0120.00616.75
8.3.60.0080.00816.38
8.3.50.0110.00420.21
8.3.40.0100.00320.12
8.3.30.0110.00418.54
8.3.20.0140.00024.18
8.3.10.0040.00424.66
8.3.00.0080.00026.16
8.2.290.0050.00416.91
8.2.280.0120.00718.26
8.2.270.0070.00717.15
8.2.260.0050.00317.34
8.2.250.0040.00416.68
8.2.240.0050.00517.01
8.2.230.0090.00022.58
8.2.220.0060.00324.06
8.2.210.0050.00326.77
8.2.200.0070.00318.29
8.2.190.0100.00716.58
8.2.180.0070.00725.92
8.2.170.0130.00718.95
8.2.160.0100.00322.96
8.2.150.0020.00525.66
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0060.00319.18
8.2.110.0100.01020.22
8.2.100.0080.00317.72
8.2.90.0050.00317.70
8.2.80.0050.00317.75
8.2.70.0050.00317.38
8.2.60.0030.00617.80
8.2.50.0050.00318.07
8.2.40.0040.00421.20
8.2.30.0040.00418.13
8.2.20.0050.00319.32
8.2.10.0000.00718.13
8.2.00.0110.00517.77
8.1.330.0110.00721.90
8.1.320.0080.01118.08
8.1.310.0060.00916.96
8.1.300.0060.01219.77
8.1.290.0030.00630.84
8.1.280.0150.00025.92
8.1.270.0040.00424.66
8.1.260.0050.00326.35
8.1.250.0040.00428.09
8.1.240.0110.00722.46
8.1.230.0070.00420.89
8.1.220.0040.00417.74
8.1.210.0050.00318.77
8.1.200.0060.00317.48
8.1.190.0030.00517.35
8.1.180.0030.00518.10
8.1.170.0030.00518.55
8.1.160.0020.00518.78
8.1.150.0040.00418.64
8.1.140.0030.00717.40
8.1.130.0110.00417.46
8.1.120.0060.00617.42
8.1.110.0030.00717.44
8.1.100.0050.01017.43
8.1.90.0170.00017.42
8.1.80.0080.00817.56
8.1.70.0110.00517.49
8.1.60.0120.00617.56
8.1.50.0150.00417.56
8.1.40.0160.00517.63
8.1.30.0140.00717.71
8.1.20.0140.00517.66
8.1.10.0150.00517.60
8.1.00.0170.00217.45
8.0.300.0070.00020.08
8.0.290.0070.00016.59
8.0.280.0070.00018.30
8.0.270.0000.00817.20
8.0.260.0080.00816.87
8.0.250.0080.00816.87
8.0.240.0070.00716.87
8.0.230.0120.00316.91
8.0.220.0070.00716.87
8.0.210.0060.00616.87
8.0.200.0120.00416.88
8.0.190.0130.00216.87
8.0.180.0160.00016.87
8.0.170.0130.00316.87
8.0.160.0120.00316.87
8.0.150.0110.00316.87
8.0.140.0110.00516.87
8.0.130.0100.00516.87
8.0.120.0080.00816.87
8.0.110.0120.00316.87
8.0.100.0110.00416.87
8.0.90.0090.00916.87
8.0.80.0100.00516.87
8.0.70.0050.00916.87
8.0.60.0050.00716.87
8.0.50.0110.00216.87
8.0.30.0090.00416.87
8.0.20.0050.00516.87
8.0.10.0030.00716.93

preferences:
29.97 ms | 403 KiB | 5 Q