Parameters

$input_stringstringrequired

$startintrequired

$lengthintrequired

Return

Source

public function substr( $input_string, $start, $length ) {
	if ( $this->is_overloaded ) {
		return mb_substr( $input_string, $start, $length, 'ascii' );
	} else {
		return substr( $input_string, $start, $length );
	}
}

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