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Added configurable default value to Hash::get()

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This commit is contained in:
davidsteinsland 2013-10-31 23:31:48 +01:00
parent e5c2d4f49c
commit e68a61c375
2 changed files with 8 additions and 3 deletions
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4
lib/Cake/Test/Case/Utility/HashTest.php
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@ -205,6 +205,10 @@ class HashTest extends CakeTestCase {
$result = Hash::get($data, '5.Article.title');
$this->assertNull($result);
$default = array('empty');
$this->assertEquals($default, Hash::get($data, '5.Article.title', $default));
$this->assertEquals($default, Hash::get(array(), '5.Article.title', $default));
$result = Hash::get($data, '1.Article.title.not_there');
$this->assertNull($result);

7
lib/Cake/Utility/Hash.php
View file

@ -37,12 +37,13 @@ class Hash {
* @param array $data Array of data to operate on.
* @param string|array $path The path being searched for. Either a dot
* separated string, or an array of path segments.
* @param mixed $default The return value when the path does not exist
* @return mixed The value fetched from the array, or null.
* @link http://book.cakephp.org/2.0/en/core-utility-libraries/hash.html#Hash::get
*/
public static function get(array $data, $path) {
public static function get(array $data, $path, $default = null) {
if (empty($data)) {
return null;
return $default;
}
if (is_string($path) || is_numeric($path)) {
$parts = explode('.', $path);
@ -53,7 +54,7 @@ class Hash {
if (is_array($data) && isset($data[$key])) {
$data =& $data[$key];
} else {
return null;
return $default;
}
}
return $data;