PHP trim() Function

The trim() function is used to removes whitespace and other predefined characters from right and left sides of a string.

trim(string,charlist)

• String - (Required) Specify the string to check.
• charlist -(optional) Specify the characters to remove the string
  "\0" - NULL
  "\t" - tab
  "\n" - new line
  "\x0B" - vertical tab
  "\r" - carriage return
  " " - ordinary white space

<?php
  $a = "Good Morning!";
  echo $a . "<br>";
  echo trim($a,"Gng!");
?>

Good Morning!
ood Morni