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html_break_long_words()

Description

HTML aware function to break up long words onto multiple lines for
PDF generation where CSS text wrapping can't be used

Parameters

ColumnTypeDefaultDescription
$html string HTML/text to be processed
$length: int
$matches; ''; foreach $matches[0] as $part
$length int Maximum word length

Return

string *

Location

include/render_functions.php lines 6218 to 6244

Definition

 
function html_break_long_words(string $html, int $length): string {
    
    // Regex to match tags and text separately
    preg_match_all('/<[^>]+>|[^<]+/', $html, $matches);

    $output = '';

    foreach ($matches[0] as $part) {
        if ($part[0] === '<') {
            // If it's an HTML tag, add it to the output as-is
            $output .= $part;
        } else {
            // If it's plain text, process it for long words
            $words = preg_split('/(\s+)/', $part, -1, PREG_SPLIT_DELIM_CAPTURE);

            foreach ($words as $word) {
                if (strlen($word) > $length) {
                    // Insert <br> tags between chunks only
                    $word = wordwrap($word, $length, '<br>', true);
                }
                $output .= $word;
            }
        }
    }

    return $output;
}

This article was last updated 30th March 2026 18:05 Europe/London time based on the source file dated 30th March 2026 17:05 Europe/London time.