php replace whitespace with dash code example
Example 1: php replace spaces with dash
str_replace(' ', '-', $string);
Example 2: php replace all spaces with dashes
// Clean up multiple dashes or whitespaces
$string = preg_replace("/[\s-]+/", " ", $string);
// Convert whitespaces and underscore to dash
$string = preg_replace("/[\s_]/", "-", $string);