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files >> /home/kckglobal/www/portal/vendor/azjezz/psl/src/Psl/Str/trim_left.php
<?php declare(strict_types=1); namespace Psl\Str; use Psl\Regex; use function preg_quote; /** * Returns the given string with whitespace stripped from the left. * * If the optional character mask isn't provided, the following characters will * be stripped: space, tab, newline, carriage return, NUL byte, vertical tab. * * @pure * * @throws Exception\InvalidArgumentException if $string is not a valid UTF-8 string. */ function trim_left(string $string, ?string $char_mask = null): string { $char_mask ??= " \t\n\r\0\x0B\x0C\u{A0}\u{FEFF}"; $char_mask = preg_quote($char_mask, null); try { return Regex\replace($string, "{^[{$char_mask}]++}uD", ''); } catch (Regex\Exception\RuntimeException | Regex\Exception\InvalidPatternException $error) { throw new Exception\InvalidArgumentException($error->getMessage(), previous: $error); } }
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