| private followLinks ( array $references, integer $flags ) : string[] | null[] | ||
| $references | array | The references. |
| $flags | integer | A bitwise combination of the flag constants in this class. |
| Результат | string[] | null[] | The references with all links replaced by their target references. If any link pointed to more than one target reference, the returned array is larger than the passed array (unless the argument `$stopOnFirst` was set to `true`). |
private function followLinks(array $references, $flags = 0)
{
$result = array();
foreach ($references as $key => $reference) {
// Not a link
if (!$this->isLinkReference($reference)) {
$result[] = $reference;
if ($flags & self::STOP_ON_FIRST) {
return $result;
}
continue;
}
$referencedPath = substr($reference, 1);
// Get all the file system paths that this link points to
// and append them to the result
foreach ($this->searchReferences($referencedPath, $flags) as $referencedReferences) {
// Follow links recursively
$referencedReferences = $this->followLinks($referencedReferences);
// Append all resulting target paths to the result
foreach ($referencedReferences as $referencedReference) {
$result[] = $referencedReference;
if ($flags & self::STOP_ON_FIRST) {
return $result;
}
}
}
}
return $result;
}