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MDL-46256 count_letters: an unit tests and fix HTML editity handling

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This commit is contained in:
Tim Hunt 2021-01-19 15:50:05 +00:00
parent c110115cc0
commit 82a050d67b
2 changed files with 27 additions and 1 deletions
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lib/moodlelib.php
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@ -8375,11 +8375,12 @@ function count_words($string) {
* Letters are defined as chars not in tags and different from whitespace.
*
* @category string
* @param string $string The text to be searched for letters.
* @param string $string The text to be searched for letters. May be HTML.
* @return int The count of letters in the specified text.
*/
function count_letters($string) {
$string = strip_tags($string); // Tags are out now.
$string = html_entity_decode($string);
$string = preg_replace('/[[:space:]]*/', '', $string); // Whitespace are out now.
return core_text::strlen($string);