Posted in php
254
11:16 pm, October 5, 2021

create a 200 character summary from a longer html string

this is a quick function that can create a 200 word plain text summary from a html string. Also added the option to specify the char length of the string. 

Function

function create_summary($html_string, $max_length = 200)

Just add your string and specify the lengh and it will return the summary string. 

PHP

function create_summary($html_string, $max_length = 200) {
	$summary_return = "";
	$html_string_stripped = strip_tags($html_string); // strip the html tags
    if(strlen($html_string_stripped) >= $max_length) { // check if the string is greater than the $max_length value
    	$summary_return = substr($html_string_stripped, 0, 200) . ".."; // add the length summary and some dots on the end.
    } else {
		// just assign the string to the summary and return it as its under the max length anyway
		$summary_return = $html_string_stripped;
	}
	return $summary_return; // return our new summary string.
}

// testing
$my_html = '
<p>Lorem ipsum dolor sit amet, consectetur adipiscing elit. Duis rutrum sapien non ornare sagittis. Fusce quis dignissim felis. Pellentesque iaculis nisl et est ultricies, id mollis lorem volutpat. <a href="#!">a link that should be removed</a>. Praesent nec nunc vel quam facilisis scelerisque a ut orci. Sed sed enim vestibulum ex commodo venenatis vitae in mi. In eu velit sed nunc euismod tempor ac at odio. Mauris sit amet mi ac turpis rutrum congue sit amet id nunc.</p>
<p>Cras vel ligula a elit pretium convallis. Nunc ac nisl nisi. Vestibulum ut ullamcorper nibh. Phasellus dictum nisi quis ullamcorper finibus. Phasellus fringilla purus ut augue varius vulputate. Nullam nec nisl dignissim, varius sem pretium, commodo orci. Cras tortor nisl, pharetra sodales lobortis a, vestibulum ut libero. Vestibulum ante ipsum primis in faucibus orci luctus et ultrices posuere cubilia Curae; Nulla facilisi. Pellentesque rutrum urna elit, sed cursus felis placerat efficitur. Curabitur tempor velit magna, mollis malesuada risus lacinia sed. Mauris tristique id mi et cursus. Quisque consectetur velit in lacus euismod scelerisque. Vestibulum ac malesuada libero, eget auctor turpis. Integer pellentesque a ipsum non faucibus. Quisque ultricies sapien ut tellus bibendum aliquam.</p>
<p>Nunc mattis a justo id bibendum. Cras sit amet nisl ac augue dictum finibus at at odio. Mauris massa elit, fermentum sit amet eros ut, aliquet fermentum orci. Vestibulum eleifend sapien quis lorem gravida scelerisque. Pellentesque lobortis velit metus, nec semper eros dapibus quis. Nunc lacinia iaculis tristique. Praesent aliquet dignissim eros vitae semper. Sed suscipit ultricies dignissim.</p>
';

$summary_string = create_summary($html_string = $my_html, $max_length = 200);
echo $summary_string;

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