Supported Versions: PHP 4 >= 4.0.6, PHP 5, PHP 7, PHP 8
Get string length
<?php mb_strlen(string $string, ?string $encoding = null): int
<?php         if (preg_match_all($pattern, $value, $matches, PREG_OFFSET_CAPTURE)) {

            foreach (array_reverse($matches[0]) as $match) {

                $position = mb_strlen(substr($value, 0, $match[1]));



                $value = $this->insertLineNumberAtPosition($position, $value);

            }
<?php         if ($shouldInsertLineNumbers) {

            foreach (array_reverse($matches[0]) as $match) {

                $position = mb_strlen(substr($value, 0, $match[1]));



                $value = $this->insertLineNumberAtPosition($position, $value);

            }