src/admin/metaboxes/fields/Field.php
public function display ($post)
    {
        echo '<div class="wrap-meta-field type-' . $this->getType() . '">';
        $this->outputLabel();
        $identifier = $post instanceof WP_Post ? $post->ID : $post;
        $this->output($this->getValue($identifier));
        echo '</div>';
    }
public function display ($post)
    {
        echo '<div class="wrap-meta-field type-' . $this->getType() . '">';
        $this->outputLabel();
        $identifier = $post instanceof WP_Post ? $post->ID : $post;
        $this->output($this->getValue($identifier));
        echo '</div>';
    }
public function display ( $ post ) { echo '<div class="wrap-meta-field type-' . $ this -> getType ( ) . '">' ; $ this -> outputLabel ( ) ; $ identifier = $ post instanceof WP_Post ? $ post -> ID : $ post ; $ this -> output ( $ this -> getValue ( $ identifier ) ) ; echo '</div>' ; }
Displays the field control for a given post

@param WP_Post $post
Displays the field control for a given post