WP_Embed::autoembed( string $content )
Passes any unlinked URLs that are on their own line to WP_Embed::shortcode() for potential embedding.
Description Description
See also See also
Parameters Parameters
- $content
-
(string) (Required) The content to be searched.
Return Return
(string) Potentially modified $content.
Source Source
File: wp-includes/class-wp-embed.php
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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