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<?php

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/**

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* WPSEO plugin file.

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* @package WPSEO\Admin

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/**

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* Class for generating a html select.

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class Yoast_Input_Select {

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/**

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* The id attribute value.

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* @var string

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private $select_id;

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/**

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* The name attribute value.

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* @var string

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private $select_name;

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/**

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* Additional select attributes.

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* @var array

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private $select_attributes = [];

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/**

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* Array with the options to parse.

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* @var array

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private $select_options;

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/**

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* The current selected option.

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* @var string

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private $selected_option;

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/**

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* Constructor.

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* @param string $select_id ID for the select.

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* @param string $select_name Name for the select.

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* @param array $select_options Array with the options to parse.

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* @param string $selected_option The current selected option.

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public function __construct( $select_id, $select_name, array $select_options, $selected_option ) {

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$this->select_id = $select_id;

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$this->select_name = $select_name;

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$this->select_options = $select_options;

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$this->selected_option = $selected_option;

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}

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/**

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* Print the rendered view.

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* @return void

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public function output_html() {

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// Extract it, because we want each value accessible via a variable instead of accessing it as an array.

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extract( $this->get_select_values() );

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require WPSEO_PATH . 'admin/views/form/select.php';

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}

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/**

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* Return the rendered view.

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* @return string

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public function get_html() {

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ob_start();

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$this->output_html();

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$rendered_output = ob_get_contents();

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ob_end_clean();

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return $rendered_output;

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}

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/**

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* Add an attribute to the attributes property.

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* @param string $attribute The name of the attribute to add.

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* @param string $value The value of the attribute.

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* @return void

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public function add_attribute( $attribute, $value ) {

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$this->select_attributes[ $attribute ] = $value;

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}

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/**

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* Return the set fields for the select.

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* @return array

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private function get_select_values() {

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return [

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'id' => $this->select_id,

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'name' => $this->select_name,

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'attributes' => $this->get_attributes(),

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'options' => $this->select_options,

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'selected' => $this->selected_option,

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];

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}

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/**

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* Return the attribute string, when there are attributes set.

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* @return string

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private function get_attributes() {

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$attributes = $this->select_attributes;

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if ( ! empty( $attributes ) ) {

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array_walk( $attributes, [ $this, 'parse_attribute' ] );

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return implode( ' ', $attributes ) . ' ';

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}

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return '';

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}

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/**

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* Get an attribute from the attributes.

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* @param string $value The value of the attribute.

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* @param string $attribute The attribute to look for.

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* @return void

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private function parse_attribute( &$value, $attribute ) {

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$value = sprintf( '%s="%s"', sanitize_key( $attribute ), esc_attr( $value ) );

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}

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}

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