PHP trim() function

PHP string trim() function

PHP string trim() function is in-built function. It is used to strip whitespace from the beginning and end of a string or both side of a string.

Parameter	Description	Required/Optional
String	Specify the string to check.	Required
charlist	Specify the characters 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 the characters to remove. Following character:

Optional

  <?php  $str = “Hello PHP!”;  echo “Your string is: “.$str .”<br>”;  echo “By using trim() function :”.trim($str,”Hed!”);  ?>  

Output:

Your string is: Hello PHP!  By using trim() function :llo PHP

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

Output:

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

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

Output:

Without trim() function: Hello TutorAspire With trim() function:Hello TutorAspire

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