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<?php
namespace ValueParsers\Normalizers;
use InvalidArgumentException;
/**
* Most simple implementation of a StringNormalizer that does nothing but trimming whitespace, by
* using the definition of "whitespace" in Unicode-enabled Perl regular expressions.
*
* @since 0.3.2
* @license GPL-2.0-or-later
* @author Thiemo Kreuz
*/
class TrimmingStringNormalizer implements StringNormalizer {
* @param string $value
* @throws InvalidArgumentException if $value is not a string
* @return string the trimmed string
public function normalize( $value ) {
if ( !is_string( $value ) ) {
throw new InvalidArgumentException( '$value must be a string' );
}
return preg_replace( '/^\s+|\s+$/u', '', $value );
DataValues /
Common
