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класс не описан

acf_field_link{} ACF 1.0

Хуков нет.

Ищем WP-разработчика! Фулл-тайм, удаленка, хорошая зарплата, соц. пакет. Подробности.
Компания Boosta.

Возвращает

null. Ничего.

Использование

$acf_field_link = new acf_field_link();
// use class methods

Методы

  1. get_link( $value = '' )
  2. initialize()
  3. render_field( $field )

Код acf_field_link{} ACF 5.10.2

<?php
class acf_field_link extends acf_field {


	/*
	*  __construct
	*
	*  This function will setup the field type data
	*
	*  @type    function
	*  @date    5/03/2014
	*  @since   5.0.0
	*
	*  @param   n/a
	*  @return  n/a
	*/

	function initialize() {

		// vars
		$this->name     = 'link';
		$this->label    = __( 'Link', 'acf' );
		$this->category = 'relational';
		$this->defaults = array(
			'return_format' => 'array',
		);

	}


	/*
	*  get_link
	*
	*  description
	*
	*  @type    function
	*  @date    16/5/17
	*  @since   5.5.13
	*
	*  @param   $post_id (int)
	*  @return  $post_id (int)
	*/

	function get_link( $value = '' ) {

		// vars
		$link = array(
			'title'  => '',
			'url'    => '',
			'target' => '',
		);

		// array (ACF 5.6.0)
		if ( is_array( $value ) ) {

			$link = array_merge( $link, $value );

			// post id (ACF < 5.6.0)
		} elseif ( is_numeric( $value ) ) {

			$link['title'] = get_the_title( $value );
			$link['url']   = get_permalink( $value );

			// string (ACF < 5.6.0)
		} elseif ( is_string( $value ) ) {

			$link['url'] = $value;

		}

		// return
		return $link;

	}


	/*
	*  render_field()
	*
	*  Create the HTML interface for your field
	*
	*  @param   $field - an array holding all the field's data
	*
	*  @type    action
	*  @since   3.6
	*  @date    23/01/13
	*/

	function render_field( $field ) {

		// vars
		$div = array(
			'id'    => $field['id'],
			'class' => $field['class'] . ' acf-link',
		);

		// render scripts/styles
		acf_enqueue_uploader();

		// get link
		$link = $this->get_link( $field['value'] );

		// classes
		if ( $link['url'] ) {
			$div['class'] .= ' -value';
		}

		if ( $link['target'] === '_blank' ) {
			$div['class'] .= ' -external';
		}

		/*
		<textarea id="<?php echo esc_attr($field['id']); ?>-textarea"><?php
		echo esc_textarea('<a href="'.$link['url'].'" target="'.$link['target'].'">'.$link['title'].'</a>');
		?></textarea>*/
		?>
<div <?php acf_esc_attr_e( $div ); ?>>

<div class="acf-hidden">
	<a class="link-node" href="<?php echo esc_url( $link['url'] ); ?>" target="<?php echo esc_attr( $link['target'] ); ?>"><?php echo esc_html( $link['title'] ); ?></a>
		<?php foreach ( $link as $k => $v ) : ?>
			<?php
			acf_hidden_input(
				array(
					'class' => "input-$k",
					'name'  => $field['name'] . "[$k]",
					'value' => $v,
				)
			);
			?>
	<?php endforeach; ?>
</div>

<a href="#" class="button" data-name="add" target=""><?php _e( 'Select Link', 'acf' ); ?></a>

<div class="link-wrap">
	<span class="link-title"><?php echo esc_html( $link['title'] ); ?></span>
	<a class="link-url" href="<?php echo esc_url( $link['url'] ); ?>" target="_blank"><?php echo esc_html( $link['url'] ); ?></a>
	<i class="acf-icon -link-ext acf-js-tooltip" title="<?php _e( 'Opens in a new window/tab', 'acf' ); ?>"></i><a class="acf-icon -pencil -clear acf-js-tooltip" data-name="edit" href="#" title="<?php _e( 'Edit', 'acf' ); ?>"></a><a class="acf-icon -cancel -clear acf-js-tooltip" data-name="remove" href="#" title="<?php _e( 'Remove', 'acf' ); ?>"></a>
</div>

</div>
		<?php

	}


	/*
	*  render_field_settings()
	*
	*  Create extra options for your field. This is rendered when editing a field.
	*  The value of $field['name'] can be used (like bellow) to save extra data to the $field
	*
	*  @type    action
	*  @since   3.6
	*  @date    23/01/13
	*
	*  @param   $field  - an array holding all the field's data
	*/

	function render_field_settings( $field ) {

		// return_format
		acf_render_field_setting(
			$field,
			array(
				'label'        => __( 'Return Value', 'acf' ),
				'instructions' => __( 'Specify the returned value on front end', 'acf' ),
				'type'         => 'radio',
				'name'         => 'return_format',
				'layout'       => 'horizontal',
				'choices'      => array(
					'array' => __( 'Link Array', 'acf' ),
					'url'   => __( 'Link URL', 'acf' ),
				),
			)
		);

	}


	/*
	*  format_value()
	*
	*  This filter is appied to the $value after it is loaded from the db and before it is returned to the template
	*
	*  @type    filter
	*  @since   3.6
	*  @date    23/01/13
	*
	*  @param   $value (mixed) the value which was loaded from the database
	*  @param   $post_id (mixed) the $post_id from which the value was loaded
	*  @param   $field (array) the field array holding all the field options
	*
	*  @return  $value (mixed) the modified value
	*/

	function format_value( $value, $post_id, $field ) {

		// bail early if no value
		if ( empty( $value ) ) {
			return $value;
		}

		// get link
		$link = $this->get_link( $value );

		// format value
		if ( $field['return_format'] == 'url' ) {

			return $link['url'];

		}

		// return link
		return $link;

	}


	/*
	*  validate_value
	*
	*  description
	*
	*  @type    function
	*  @date    11/02/2014
	*  @since   5.0.0
	*
	*  @param   $post_id (int)
	*  @return  $post_id (int)
	*/

	function validate_value( $valid, $value, $field, $input ) {

		// bail early if not required
		if ( ! $field['required'] ) {
			return $valid;
		}

		// URL is required
		if ( empty( $value ) || empty( $value['url'] ) ) {

			return false;

		}

		// return
		return $valid;

	}


	/*
	*  update_value()
	*
	*  This filter is appied to the $value before it is updated in the db
	*
	*  @type    filter
	*  @since   3.6
	*  @date    23/01/13
	*
	*  @param   $value - the value which will be saved in the database
	*  @param   $post_id - the $post_id of which the value will be saved
	*  @param   $field - the field array holding all the field options
	*
	*  @return  $value - the modified value
	*/

	function update_value( $value, $post_id, $field ) {

		// Check if value is an empty array and convert to empty string.
		if ( empty( $value ) || empty( $value['url'] ) ) {
			$value = '';
		}

		// return
		return $value;
	}
}


// initialize
acf_register_field_type( 'acf_field_link' );

endif; // class_exists check

?>