Normalizes EOL characters and strips duplicate whitespace.

$str string Required

The string to normalize.

string The normalized string.

File: wp-includes/formatting.php. View all references

function normalize_whitespace( $str ) {
	$str = trim( $str );
	$str = str_replace( "\r", "\n", $str );
	$str = preg_replace( array( '/\n+/', '/[ \t]+/' ), array( "\n", ' ' ), $str );
	return $str;
}