function Helper::substr

Returns the subset of a string, using mb_substr if it is available.

4 calls to Helper::substr()

Application::find in vendor/symfony/console/Application.php

Finds a command by name or alias.

FormatterHelper::truncate in vendor/symfony/console/Helper/FormatterHelper.php

Truncates a message to the given length.

QuestionHelper::autocomplete in vendor/symfony/console/Helper/QuestionHelper.php

Autocompletes a question.

Table::renderRowSeparator in vendor/symfony/console/Helper/Table.php

Renders horizontal header separator.

File

vendor/symfony/console/Helper/Helper.php, line 77

Class

Helper

Helper is the base class for all helper classes.

Namespace

Symfony\Component\Console\Helper

Code

public static function substr(?string $string, int $from, ?int $length = null) : string {
    $string ??= '';
    if (false === ($encoding = mb_detect_encoding($string, null, true))) {
        return substr($string, $from, $length);
    }
    return mb_substr($string, $from, $length, $encoding);
}