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Implementing Set::check() and Set::remove()

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git-svn-id: https://svn.cakephp.org/repo/branches/1.2.x.x@4515 3807eeeb-6ff5-0310-8944-8be069107fe0
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nate 2007-02-13 18:20:28 +00:00
parent b6bc6d6033
commit 939d141287
1 changed files with 65 additions and 0 deletions
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65
cake/libs/set.php
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@ -278,6 +278,71 @@ class Set extends Object {
} }
return $list; return $list;
} }
/**
* Removes an element from a Set or array
*
* @param mixed $list
* @param array $data
* @param mixed $path A dot-separated string.
* @return array
*/
function remove(&$list, $path, $data = null) {
if (empty($data) && is_a($this, 'Set')) {
$data = $path;
$path = $list;
$list = $this->get();
}
if (!is_array($path)) {
$path = explode('.', $path);
}
$_list =& $list;
foreach($path as $i => $key) {
if (intval($key) > 0 || $key == '0') {
$key = intval($key);
}
if ($i == count($path) - 1) {
unset($_list[$key]);
} else {
if (!isset($_list[$key])) {
return $list;
}
$_list =& $_list[$key];
}
}
return $list;
}
/**
* Checks if a particular path is set in an array
*
* @param mixed $data
* @param mixed $path A dot-separated string.
* @return array
*/
function check($data, $path = null) {
if (empty($path) && is_a($this, 'Set')) {
$path = $data;
$data = $this->get();
}
if (!is_array($path)) {
$path = explode('.', $path);
}
foreach($path as $i => $key) {
if (intval($key) > 0 || $key == '0') {
$key = intval($key);
}
if ($i == count($path) - 1) {
return isset($data[$key]);
} else {
if (!isset($data[$key])) {
return false;
}
$data =& $data[$key];
}
}
return true;
}
/** /**
* Computes the difference between a Set and an array, two Sets, or two arrays * Computes the difference between a Set and an array, two Sets, or two arrays
* *