$str = "
Hello World!
";
echo "With trim: " . trim($str);
//remove all white spaces from a string
$whatonearth=preg_replace('/s/','',"what o n ear th");
<?php
$text = " These are a few words :) ... ";
$binary = "x09Example stringx0A";
$hello = "Hello World";
var_dump($text, $binary, $hello);
print "
";
$trimmed = rtrim($text);
var_dump($trimmed);
$trimmed = rtrim($text, " .");
var_dump($trimmed);
$trimmed = rtrim($hello, "Hdle");
var_dump($trimmed);
// trim the ASCII control characters at the end of $binary
// (from 0 to 31 inclusive)
$clean = rtrim($binary, "x00..x1F");
var_dump($clean);
?>