PHP rtrim() function

PHP string rtrim() Function

PHP rtrim() is predefined function which is used to remove whitespace or character form the right side of a string.

Parameter	Description	Required/Optional
string	Specify the string to check.	required
charlist	Specify character to remove Following character “” – NULL “t” – tab “n” – new line “x0B” – vertical tab “r” – carriage return ” ” – ordinary white space	Optional

Parameter

Description

Required/Optional

string

Specify the string to check.

required

charlist

Specify character to remove Following character

Optional

  <?php  $str = “Hello PHP!    “;  echo “Without rtrim() function: ” . $str;  echo “<br>”;  echo “With rtrim() function:” . rtrim($str);  ?>  

Output:

Without rtrim() function: Hello PHP!   With rtrim() function:Hello PHP!

  <?php  $str = “nnnHello PHP!nnn”;  echo “Without trim() function: “. $str;  echo “<br>”;  echo “With trim() function: “. trim($str);  ?>  

Output:

Without trim() function: Hello PHP!   With trim() function: Hello PHP!

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