src/includes/classes/Core/Utils/Trim.php
public function l($value, string $chars = '', string $extra_chars = '')
    {
        return $this->__invoke($value, $chars, $extra_chars, 'l');
    }
public function l($value, string $chars = '', string $extra_chars = '')
    {
        return $this->__invoke($value, $chars, $extra_chars, 'l');
    }
Trim (multibyte-safe) on left.

@since 150424 Initial release.

@param mixed  $value       Any input value.
@param string $chars       Defaults to: " \r\n\t\0\x0B".
@param string $extra_chars Additional chars to trim.

@return string|array|object Trimmed value.