normalize_whitespace( string $str )
Normalize EOL characters and strip duplicate whitespace.
Parameters
- $str
-
(Required) The string to normalize.
Return
(string) The normalized string.
Source
File: wp-includes/formatting.php
function normalize_whitespace( $str ) {
$str = trim( $str );
$str = str_replace( "\r", "\n", $str );
$str = preg_replace( array( '/\n+/', '/[ \t]+/' ), array( "\n", ' ' ), $str );
return $str;
}
Changelog
Version | Description |
---|---|
WP-2.7.0 | Introduced. |