function getAllValues($tree)
{
$output = [];
foreach ($tree as $yearKey => $year) {
// years
foreach ($year as $typeKey => $type) {
// types
foreach ($type as $ministryKey => $ministry) {
// ministry
if (!keyInArray($ministryKey, $output)) {
$output[$ministryKey] = [];
}
foreach ($ministry as $departmentKey => $department) {
if (!valueInArray($departmentKey, $output[$ministryKey])) {
$output[$ministryKey][] = $departmentKey;
}
}
}
}
}
return $output;
}
<?php
$names = ['Tina', 'Dana', 'Mike', 'Amy', 'Adam'];
$compare = ['Dean', 'Tina', 'Mel', 'Amy', 'Michael'];
$query = 'Michael';
function valueInArray($search, $array)
{
$result = array_search($search, $array);
if ($result === false) {
return false;
} else {
return true;
}
}
$result = valueInArray($query, $names);
if ($result) {
echo "The name {$query} was found in the {$result} array index of " . array_search($query, $names) . PHP_EOL;
} else {
echo "The search was not found." . PHP_EOL;
}
function compareArrays($names, $compare)
{
$result = array_intersect($names, $compare);
return count($result);
}
$result = compareArrays($names, $compare);
echo "The two arrays have {$result} elements in common." . PHP_EOL;