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Updated API, remove pages from collectio

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This commit is contained in:
markseu 2019-11-07 00:02:41 +01:00
parent 005ced1bcc
commit 874007ddbe
1 changed files with 19 additions and 1 deletions
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20
system/extensions/core.php
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@ -1003,12 +1003,30 @@ class YellowPageCollection extends ArrayObject {
return $this;
}
// Merge page collection
// Calculate union, merge page collection
public function merge($input) {
$this->exchangeArray(array_merge($this->getArrayCopy(), (array)$input));
return $this;
}
// Calculate intersection, remove pages that are not present in another page collection
public function intersect($input) {
$callback = function ($a, $b) {
return strcmp(spl_object_hash($a), spl_object_hash($b));
};
$this->exchangeArray(array_uintersect($this->getArrayCopy(), (array)$input, $callback));
return $this;
}
// Calculate difference, remove pages that are present in another page collection
public function diff($input) {
$callback = function ($a, $b) {
return strcmp(spl_object_hash($a), spl_object_hash($b));
};
$this->exchangeArray(array_udiff($this->getArrayCopy(), (array)$input, $callback));
return $this;
}
// Append to end of page collection
public function append($page) {
parent::append($page);