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BUG Consistent return values for first and last methods

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This commit is contained in:
Saophalkun Ponlu 2017-06-02 16:04:54 +12:00
parent 44f27645bd
commit e267d29b9a
1 changed files with 11 additions and 3 deletions
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14
src/ORM/ArrayList.php
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@ -302,6 +302,10 @@ class ArrayList extends ViewableData implements SS_List, Filterable, Sortable, L
*/
public function first()
{
if (empty($this->items)) {
return null;
}
return reset($this->items);
}
@ -312,6 +316,10 @@ class ArrayList extends ViewableData implements SS_List, Filterable, Sortable, L
*/
public function last()
{
if (empty($this->items)) {
return null;
}
return end($this->items);
}
@ -514,12 +522,12 @@ class ArrayList extends ViewableData implements SS_List, Filterable, Sortable, L
*/
public function canFilterBy($by)
{
$firstRecord = $this->first();
if ($firstRecord === false) {
if (empty($this->items)) {
return false;
}
$firstRecord = $this->first();
return array_key_exists($by, $firstRecord);
}