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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
3876
3877      if ( '' === trim( $text ) ) {
3878           $post = get_post( $post );
3879           $text = get_the_content( '', false, $post );
3880
3881           $text = strip_shortcodes( $text );
3882           $text = excerpt_remove_blocks( $text );
3883
3884           /** This filter is documented in wp-includes/post-template.php */
3885           $text = apply_filters( 'the_content', $text );
3886           $text = str_replace( ']]>', ']]>', $text );
3887
3888           /* translators: Maximum number of words used in a post excerpt. */
3889           $excerpt_length = (int) _x( '55', 'excerpt_length' );
3890
3891           /**
3892            * Filters the maximum number of words in a post excerpt.
3893            *
3894            * @since 2.7.0