About trim function
<!DOCTYPE html>
<html>
<body>
<?php
$str = "Hello World!";
echo $str . " <br>". "<br>";
echo trim($str,"Herld!");
?>
</body>
</html>
The output result is:
Hello World!
o Wo
Shouldn’t the second line be: llo Wo?
<!DOCTYPE html>
<html>
<body>
<?php
$str = "Hello World!";
echo $str . " <br>". "<br>";
echo trim($str,"Herld!");
?>
</body>
</html>
The output result is:
Hello World!
o Wo
Shouldn’t the second line be: llo Wo?
