1: <?php
  2: 
  3: /**
  4:  * Bool (true/false) property.
  5:  */
  6: class Papi_Property_Bool extends Papi_Property {
  7: 
  8:     /**
  9:      * The convert type.
 10:      *
 11:      * @var string
 12:      */
 13:     public $convert_type = 'bool';
 14: 
 15:     /**
 16:      * The default value.
 17:      *
 18:      * @var bool
 19:      */
 20:     public $default_value = false;
 21: 
 22:     /**
 23:      * Format the value of the property before it's returned
 24:      * to WordPress admin or the site.
 25:      *
 26:      * @param  mixed  $value
 27:      * @param  string $slug
 28:      * @param  int    $post_id
 29:      *
 30:      * @return bool
 31:      */
 32:     public function format_value( $value, $slug, $post_id ) {
 33:         if ( is_string( $value ) && $value === 'false' || $value === false ) {
 34:             return false;
 35:         }
 36: 
 37:         return  is_string( $value ) &&
 38:             ( $value === 'true' || $value === 'on' ) ||
 39:             $value === true;
 40:     }
 41: 
 42:     /**
 43:      * Render property html.
 44:      */
 45:     public function html() {
 46:         $value = $this->get_value();
 47: 
 48:         papi_render_html_tag( 'input', [
 49:             'type'  => 'hidden',
 50:             'name'  => $this->html_name(),
 51:             'value' => false
 52:         ] );
 53: 
 54:         papi_render_html_tag( 'input', [
 55:             'checked' => empty( $value ) ? null : 'checked',
 56:             'id'      => $this->html_id(),
 57:             'name'    => $this->html_name(),
 58:             'type'    => 'checkbox'
 59:         ] );
 60:     }
 61: 
 62:     /**
 63:      * Import value to the property.
 64:      *
 65:      * @param  mixed  $value
 66:      * @param  string $slug
 67:      * @param  int    $post_id
 68:      *
 69:      * @return mixed
 70:      */
 71:     public function import_value( $value, $slug, $post_id ) {
 72:         return $this->format_value( $value, $slug, $post_id );
 73:     }
 74: 
 75:     /**
 76:      * Change value after it's loaded from the database.
 77:      *
 78:      * @param  mixed  $value
 79:      * @param  string $slug
 80:      * @param  int    $post_id
 81:      *
 82:      * @return mixed
 83:      */
 84:     public function load_value( $value, $slug, $post_id ) {
 85:         return is_string( $value ) && $value === '1' || $value;
 86:     }
 87: 
 88:     /**
 89:      * Prepare property value.
 90:      *
 91:      * @param  mixed $value
 92:      *
 93:      * @return mixed
 94:      */
 95:     protected function prepare_value( $value ) {
 96:         if ( is_string( $value ) &&
 97:             ( $value === 'true' || $value === 'on' ) ||
 98:             $value === true ) {
 99:             return true;
100:         }
101: 
102:         return null;
103:     }
104: 
105:     /**
106:      * Fix the database value on update.
107:      *
108:      * @param  mixed  $value
109:      * @param  string $slug
110:      * @param  int    $post_id
111:      *
112:      * @return array
113:      */
114:     public function update_value( $value, $slug, $post_id ) {
115:         return $this->prepare_value( $value );
116:     }
117: }
118: