/**
* Assigns a new tag to use that will get replaced, all array keys
* will get converted to lower case!
*
* @param array $tags
* @param bool $overwrite If a tag already exists, should it be overwriten or appended?
* @param bool $allowHtml should HTML be allowed in the tag value?
* @param bool $prepend Prepend content to the tag, instead of append
* @return object
*/
public function assign(array $tags, $overwrite = true, $allowHtml = false, $prepend = false)
{
if ($this->caseSensitive === false) {
zula_array_key_case($tags, CASE_LOWER);
}
foreach ($tags as $tag => $val) {
if ($allowHtml == false) {
$val = $this->cleanTagValue($val);
}
unset($tags[$tag]);
$tags[$this->cleanTag($tag)] = $val;
}
if (empty($this->assignedTags)) {
$this->assignedTags = $tags;
} else {
if ($overwrite == false) {
/**
* Allows tags that have been assigned more than once to be
* appended onto the end, instead of overwriting the old tag
*/
foreach ($tags as $key => $val) {
if (isset($this->assignedTags[$key])) {
if (is_array($val)) {
if ($prepend) {
$this->assignedTags[$key] = zula_merge_recursive($val, $this->assignedTags[$key]);
} else {
$this->assignedTags[$key] = zula_merge_recursive($this->assignedTags[$key], $val);
}
} else {
if ($prepend) {
$this->assignedTags[$key] = $val . $this->assignedTags[$key];
} else {
$this->assignedTags[$key] .= $val;
}
}
} else {
$this->assignedTags[$key] = $val;
}
}
} else {
$this->assignedTags = zula_merge_recursive($this->assignedTags, $tags);
}
}
return $this;
}
/**
* Changes the case of an arrays keys recursively
*
* @oaram array $arr
* @param int $case
* @return bool
*/
function zula_array_key_case(array &$arr, $case = CASE_LOWER)
{
$arr = array_change_key_case($arr, $case);
foreach ($arr as &$val) {
if (is_array($val)) {
zula_array_key_case($val, $case);
}
}
return true;
}
