WC_Geo_IP::_safe_substr │ private │ WC 1.0

Encode string.

Method of the class: WC_Geo_IP{}

No Hooks.

Returns

String.

Usage

// private - for code of main (parent) class only
$result = $this->_safe_substr( $string, $start, $length );
$string(string) (required)
.
$start(int) (required)
.
$length(int) (required)
.

WC_Geo_IP::_safe_substr() code WC 10.6.2

woocommerce/includes/class-wc-geo-ip.php 
private function _safe_substr( $string, $start, $length ) {
	// workaround php's broken substr, strpos, etc handling with
	// mbstring.func_overload and mbstring.internal_encoding
	$mb_exists = extension_loaded( 'mbstring' );

	if ( $mb_exists ) {
		$enc = mb_internal_encoding();
		mb_internal_encoding( 'ISO-8859-1' );
	}

	$buf = substr( $string, $start, $length );

	if ( $mb_exists ) {
		mb_internal_encoding( $enc );
	}

	return $buf;
}