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Description

Is the query for an existing attachment page?

Usage

$bool = WP_Query::is_attachment( $attachment );

Parameters

$attachment

( int|string|int[]|string[] ) optional – Optional. Attachment ID, title, slug, or array of such to check against. Default empty.

Returns

bool Whether the query is for an existing attachment page.

Source

File name: wordpress/wp-includes/class-wp-query.php
Lines:

  public function is_attachment( $attachment = '' ) {
    if ( ! $this->WP_Query::is_attachment ) {
      return false;
    }

    if ( empty( $attachment ) ) {
      return true;
    }

    $attachment = array_map( 'strval', (array) $attachment );

    $post_obj = $this->WP_Query::get_queried_object();
    if ( ! $post_obj ) {
      return false;
    }

    if ( in_array( (string) $post_obj->ID, $attachment, true ) ) {
      return true;
    } elseif ( in_array( $post_obj->post_title, $attachment, true ) ) {
      return true;
    } elseif ( in_array( $post_obj->post_name, $attachment, true ) ) {
      return true;
    }
    return false;
  }
 

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