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<?php |
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namespace drupol\htmltag; |
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/** |
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* Class Attribute. |
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*/ |
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class Attribute |
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{ |
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/** |
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* Store the attribute name. |
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* |
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* @var string |
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*/ |
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private $name; |
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/** |
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* Store the attribute value. |
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* |
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* @var array|null |
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*/ |
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private $values; |
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/** |
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* Attribute constructor. |
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* |
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* @param string $name |
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* The attribute name. |
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* @param string $value |
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* The attribute value. |
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*/ |
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public function __construct($name, $value = null) |
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{ |
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$this->name = trim($name); |
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$this->set($value); |
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} |
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/** |
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* Create a copy of the current attribute with specific value. |
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* |
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* @param string $value |
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* The attribute value. |
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* |
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* @return \drupol\htmltag\Attribute |
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* The attribute. |
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*/ |
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public function withValue($value) |
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{ |
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$clone = clone $this; |
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$clone->values = explode(' ', trim($value)); |
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return $clone; |
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} |
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/** |
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* Get the attribute name. |
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* |
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* @return string |
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* The attribute name. |
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*/ |
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public function getName() |
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{ |
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return $this->name; |
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} |
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/** |
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* Get the attribute value as a string. |
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* |
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* @return string |
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* The attribute value as a string. |
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*/ |
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public function getValueAsString() |
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{ |
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return implode( |
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' ', |
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$this->getValueAsArray() |
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); |
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} |
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/** |
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* Get the attribute value as an array. |
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* |
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* @return array |
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* The attribute value as an array. |
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*/ |
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public function getValueAsArray() |
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{ |
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return array_values( |
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array_filter( |
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array_unique( |
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(array) $this->values |
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) |
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) |
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); |
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} |
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/** |
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* Convert the object in a string. |
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* |
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* @return string |
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* The attribute as a string. |
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*/ |
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public function __toString() |
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{ |
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$output = $this->name; |
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if (!$this->isLoner()) { |
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$output .= '="' . trim($this->getValueAsString()) . '"'; |
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} |
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return $output; |
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} |
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/** |
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* Check if the attribute is a loner attribute. |
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* |
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* @return bool |
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* True or False. |
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*/ |
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public function isLoner() |
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{ |
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if ([] === $this->getValueAsArray()) { |
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$this->values = null; |
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} |
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return null === $this->values; |
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} |
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/** |
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* Set the value. |
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* |
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* @param string|null $value |
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* The value. |
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* |
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* @return \drupol\htmltag\Attribute |
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*/ |
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public function set($value = null) |
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{ |
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if (null !== $value) { |
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$this->values = explode(' ', trim($value)); |
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} |
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return $this; |
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} |
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/** |
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* Append a value to the attribute. |
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* |
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* @param string $value |
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* The value to append. |
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* |
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* @return $this |
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* The attribute. |
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*/ |
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public function append($value) |
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{ |
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$this->values = array_merge( |
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(array) $this->values, |
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explode( |
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' ', |
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trim($value) |
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) |
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); |
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return $this; |
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} |
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/** |
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* Merge data into the attribute value. |
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* |
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* @param array $values |
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* The values to merge. |
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* |
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* @return $this |
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* The attribute. |
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*/ |
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public function merge(array $values) |
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{ |
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$this->values = array_merge( |
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(array) $this->values, |
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$values |
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); |
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return $this; |
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} |
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/** |
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* Remove a value from the attribute. |
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* |
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* @param string $value |
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* The value to remove. |
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* |
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* @return $this |
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* The attribute. |
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*/ |
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public function remove($value) |
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{ |
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$this->values = array_filter( |
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(array) $this->values, |
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function ($value_item) use ($value) { |
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return $value_item !== $value; |
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} |
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); |
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return $this; |
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} |
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/** |
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* Replace a value of the attribute. |
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* |
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* @param string $original |
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* The original value. |
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* @param string $replacement |
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* The replacement value. |
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* |
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* @return $this |
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* The attribute. |
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*/ |
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public function replace($original, $replacement) |
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{ |
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$this->values = array_map( |
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function (&$value_item) use ($original, $replacement) { |
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if ($value_item === $original) { |
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$value_item = $replacement; |
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} |
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return $value_item; |
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}, |
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(array) $this->values |
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); |
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return $this; |
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} |
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/** |
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* Check if the attribute contains a string or a substring. |
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* |
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* @param string $substring |
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* The string to check. |
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* |
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* @return bool |
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* True or False. |
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*/ |
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public function contains($substring) |
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{ |
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foreach ((array) $this->values as $value_item) { |
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if (false !== strpos($value_item, $substring)) { |
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return true; |
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} |
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} |
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return false; |
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} |
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/** |
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* Set the attribute as a loner attribute. |
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* |
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* @param bool $loner |
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* True or False. |
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* |
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* @return $this |
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* The attribute. |
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*/ |
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public function setLoner($loner = true) |
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{ |
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if (true === $loner) { |
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$this->values = null; |
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} |
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return $this; |
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} |
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/** |
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* Delete the current attribute. |
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* |
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* @return $this |
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* The attribute. |
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*/ |
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public function delete() |
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{ |
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$this->name = ''; |
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$this->values = null; |
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return $this; |
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} |
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} |
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