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Understanding Source Code

The best way to understand what a hook does is to look at where it occurs in the source code.

Remember, this hook may occur in more than one file. Moreover, the hook's context may change from version to version.

Source View

Line Code
3813
3814      if ( '' === trim( $text ) ) {
3815           $post = get_post( $post );
3816           $text = get_the_content( '', false, $post );
3817
3818           $text = strip_shortcodes( $text );
3819           $text = excerpt_remove_blocks( $text );
3820
3821           /** This filter is documented in wp-includes/post-template.php */
3822           $text = apply_filters( 'the_content', $text );
3823           $text = str_replace( ']]>', ']]>', $text );
3824
3825           /* translators: Maximum number of words used in a post excerpt. */
3826           $excerpt_length = (int) _x( '55', 'excerpt_length' );
3827
3828           /**
3829            * Filters the maximum number of words in a post excerpt.
3830            *
3831            * @since 2.7.0