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<?php |
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namespace Carbon_Fields\Field; |
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use Carbon_Fields\Exception\Incorrect_Syntax_Exception; |
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/** |
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* Base class for fields with predefined options. |
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* Mainly used to reduce the bloat on the base Field class. |
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*/ |
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abstract class Predefined_Options_Field extends Field { |
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/** |
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* Stores the raw, unprocessed field options |
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* |
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* @var array(array|callable) |
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*/ |
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protected $option_collections = array(); |
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/** |
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* Check if an array is indexed |
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* |
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* @param array $array |
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* @return boolean |
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*/ |
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protected function is_indexed_array( $array ) { |
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return array_keys( $array ) === range( 0, count( $array ) - 1 ); |
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} |
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/** |
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* Set the options of this field. |
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* Accepts either array of data or a callback that returns the data. |
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* |
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* @param array|callable $options |
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* @return Field $this |
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*/ |
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View Code Duplication |
public function set_options( $options ) { |
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if ( ! is_callable( $options ) && ! is_array( $options ) ) { |
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Incorrect_Syntax_Exception::raise( 'Only arrays and callbacks are allowed in the <code>set_options()</code> method.' ); |
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return $this; |
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} |
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$this->option_collections = array(); |
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return $this->add_options( $options ); |
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} |
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/** |
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* Add new options to this field. |
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* Accepts either array of data or a callback that returns the data. |
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* |
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* @param array|callable $options |
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* @return Field $this |
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*/ |
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View Code Duplication |
public function add_options( $options ) { |
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if ( ! is_callable( $options ) && ! is_array( $options ) ) { |
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Incorrect_Syntax_Exception::raise( 'Only arrays and callbacks are allowed in the <code>add_options()</code> method.' ); |
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return $this; |
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} |
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$this->option_collections[] = $options; |
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return $this; |
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} |
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/** |
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* Get a populated array of options executing any callbacks in the process |
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* |
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* @return array |
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*/ |
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protected function load_options() { |
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$options = array(); |
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foreach ( $this->option_collections as $collection ) { |
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$collection_items = array(); |
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if ( is_callable( $collection ) ) { |
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$collection_items = call_user_func( $collection ); |
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if ( ! is_array( $collection_items ) ) { |
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continue; |
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} |
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} else { |
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foreach ( $collection as $key => $value ) { |
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if ( is_array( $value ) ) { |
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$collection_items = $collection_items + $value; |
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} else { |
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$collection_items[ $key ] = $value; |
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} |
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} |
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} |
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if ( $this->is_indexed_array( $options ) && $this->is_indexed_array( $collection_items ) ) { |
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$options = array_merge( $options, $collection_items ); |
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} else { |
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$options = array_replace( $options, $collection_items ); |
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} |
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} |
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return $options; |
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} |
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/** |
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* Retrieve the current options. |
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* |
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* @return array|callable $options |
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*/ |
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public function get_options() { |
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return $this->load_options(); |
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} |
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/** |
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* Changes the options array structure. This is needed to keep the array items order when it is JSON encoded. |
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* Will also work with a callable that returns an array. |
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* |
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* @param array|callable $options |
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* @return array |
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*/ |
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protected function parse_options( $options ) { |
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$parsed = array(); |
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if ( is_callable( $options ) ) { |
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$options = call_user_func( $options ); |
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} |
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foreach ( $options as $key => $value ) { |
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$parsed[] = array( |
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'name' => $value, |
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'value' => $key, |
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); |
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} |
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return $parsed; |
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} |
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} |
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htmlburger /
carbon-fields
