<?php
$food = Array
(
'Joe' => Array
(
0 => 'Pizza',
1 => 'Pasta',
2 => 'Lasagne',
3 => 'Tacos',
4 => 'Hamburger'
),
'Conny' => Array
(
0 => 'Pizza',
1 => 'Pasta',
2 => 'Lasagne',
3 => 'Tacos',
4 => 'Hamburger'
),
'John' => Array
(
0 => 'Pizza',
1 => 'Pasta'
),
'Fred' => Array
(
0 => 'Pizza',
1 => 'Pasta',
2 => 'Soup',
3 => 'Fish'
),
'Greg' => Array
(
0 => 'Sushi'
)
);
uasort($food, function($a, $b) {
return count($b) <=> count($a);
});
$used = array();
foreach($food as $kl => $pl) {
foreach($pl as $k => $p) {
if(!in_array($p, $used)) {
$used[] = $p;
} else {
unset($food[$kl][$k]);
}
}
}
$food = array_filter($food);
var_dump($food);
- Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.16 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
- array(3) {
["Joe"]=>
array(5) {
[0]=>
string(5) "Pizza"
[1]=>
string(5) "Pasta"
[2]=>
string(7) "Lasagne"
[3]=>
string(5) "Tacos"
[4]=>
string(9) "Hamburger"
}
["Fred"]=>
array(2) {
[2]=>
string(4) "Soup"
[3]=>
string(4) "Fish"
}
["Greg"]=>
array(1) {
[0]=>
string(5) "Sushi"
}
}
- Output for 5.6.0 - 5.6.25
- Parse error: syntax error, unexpected '>' in /in/LjpGD on line 43
Process exited with code 255.
preferences:
144.14 ms | 401 KiB | 187 Q