WP_Embed::autoembed() – Passes any unlinked URLs that are on their own line to WP_Embed::shortcode() for potential embedding.

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Description

Passes any unlinked URLs that are on their own line to WP_Embed::shortcode() for potential embedding.

Usage

$string = WP_Embed::autoembed( $content );

Parameters

$content
( string ) required – The content to be searched.

Returns

string Potentially modified $content.

Source

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

1 to 14 of 14
  public function autoembed( $content ) {
    // Replace line breaks from all HTML elements with placeholders.
    $content = wp_replace_in_html_tags( $content, array( "\n" => '<!-- wp-line-break -->' ) );

    if ( preg_match( '#(^|\s|>)https?://#i', $content ) ) {
      // Find URLs on their own line.
      $content = preg_replace_callback( '|^(\s*)(https?://[^\s<>"]+)(\s*)$|im', array( $this, 'autoembed_callback' ), $content );
      // Find URLs in their own paragraph.
      $content = preg_replace_callback( '|(<p(?: [^>]*)?>\s*)(https?://[^\s<>"]+)(\s*<\/p>)|i', array( $this, 'autoembed_callback' ), $content );
    }

    // Put the line breaks back.
    return str_replace( '<!-- wp-line-break -->', "\n", $content );
  }
 

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