get_extended( string $post )

Get extended entry info (<!--more-->).

Description

There should not be any space after the second dash and before the word ‘more’. There can be text or space(s) after the word ‘more’, but won’t be referenced.

The returned array has ‘main’, ‘extended’, and ‘more_text’ keys. Main has the text before the <!--more-->. The ‘extended’ key has the content after the <!--more--> comment. The ‘more_text’ key has the custom "Read More" text.

Parameters

$post

(string) (Required) Post content.

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Return

(array) Post before ('main'), after ('extended'), and custom read more ('more_text').

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Source

File: wp-includes/post.php 

function get_extended( $post ) {
	//Match the new style more links.
	if ( preg_match( '/<!--more(.*?)?-->/', $post, $matches ) ) {
		list($main, $extended) = explode( $matches[0], $post, 2 );
		$more_text             = $matches[1];
	} else {
		$main      = $post;
		$extended  = '';
		$more_text = '';
	}

	//  leading and trailing whitespace.
	$main      = preg_replace( '/^[\s]*(.*)[\s]*$/', '\\1', $main );
	$extended  = preg_replace( '/^[\s]*(.*)[\s]*$/', '\\1', $extended );
	$more_text = preg_replace( '/^[\s]*(.*)[\s]*$/', '\\1', $more_text );

	return array(
		'main'      => $main,
		'extended'  => $extended,
		'more_text' => $more_text,
	);
}

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Changelog

Version Description
1.0.0 Introduced.

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