put - where spcae in php code example
Example 1: remove every whitespace php
$string = preg_replace('/\s+/', '', $string);
Example 2: remove whitespace from string php
$str = "\n\n\nHello World!\n\n\n";
echo "With trim: " . trim($str);
$string = preg_replace('/\s+/', '', $string);
$str = "\n\n\nHello World!\n\n\n";
echo "With trim: " . trim($str);