<html><body>$str = "\n\n\nHello World!\n\n\n";echo "Without trim: " . $str;echo "<br>";echo "With trim: " . trim($str);</body><!-- Mirrored from www.w3schools.com/php/phptryit.asp?filename=tryphp_func_string_trim3 by HTTrack Website Copier/3.x [XR&CO'2014], Mon, 27 Jan 2020 02:51:07 GMT --></html>