Reply To: Does "post_object" field go through "acf/render_field" twice?

• hiroshi

• January 29, 2018 at 2:24 pm

Thank you for more information! @hube2

After coming 2 know the situation behind, should I report a bug? or stay silent?

PS
My code to avoid the double echo is something like this below.

class MyAddExtraInfoToACFField {
	const EXTRA_INFO_KEY = 'my_extrainfo';
	public $show_extrainfo_count;
	public function __construct() {
		$this->show_extrainfo_count = [];
		add_action( 'acf/render_field_settings', [ $this, 'add_extrainfo_to_acf' ], 99999 );
		add_action( 'acf/render_field', [ $this, 'show_extrainfo_to_acf' ], 9, 1 );
	}
	public function load_css_js( $hook ) {
		if ( 'post.php' === $hook || 'post-new.php' === $hook ) {
			wp_enqueue_style( __CLASS__, plugins_url( 'style.css', __FILE__ ) );
			wp_enqueue_script( __CLASS__, plugins_url( 'script.js', __FILE__ ) );
		}
	}
	public function add_extrainfo_to_acf( $field ) {
		$value = ( isset( $field[ self::EXTRA_INFO_KEY ] ) ) ? $field[ self::EXTRA_INFO_KEY ] : '';
		acf_render_field_wrap( [
			'label'            => 'my_extrainfo',
			'instructions'    => 'Write an extra info to this item.',
			'required'        => 0,
			'type'            => 'textarea',
			'name'            => self::EXTRA_INFO_KEY,
			'prefix'        => $field['prefix'],
			'value'            => $value,
			'class'            => 'field-' . self::EXTRA_INFO_KEY,
		], 'tr' );
	}
	public function show_extrainfo_to_acf( $field ) {
		global $typenow, $pagenow;
		if ( 'acf-field-group' === $typenow ) { return; }// avoid an error
		if ( 'post.php' !== $pagenow  && 'post-new.php' !== $pagenow ) { return; }
		// check if it's second run
		if ( isset( $this->show_extrainfo_count[ $field['key'] ] )  ) {
			return;
		}
		echo $field[ self::EXTRA_INFO_KEY ];
		$this->show_extrainfo_count[ $field['key'] ] = true;
	}
}
$my_add_extrainfo_to_acf_field = new MyAddExtraInfoToACFField();