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PHP trim() Function

PHP trim() function is used to remove whitespaces and also the other pre-defined characters from both sides of a given input string. It also eliminates the leading and the trailing spaces.

Syntax:

  trim($string, $charlist);

Parameter Values

Parameter	Description
string	This is a required parameter. This parameter defines the string to check.
charlist	This is an optional parameter. This parameter defines which characters to remove from the string.

Here is an example of trim() function in PHP:

<html>
<body>

<?php
$str = "Good Morning Everyone!!!";
echo $str . "<br><br>";

echo trim($str,"Good");
?>

</body>
</html>

Output:
Good Morning Everyone!!!

Morning Everyone!!!

Here is an another example of trim() function in PHP:

<html>
<body>

<?php
$str = "Good Morning Everyone!!!";
echo $str . "<br><br>";

echo trim($str,"Good!!");  // trim "Good" from the start and "!!!" from the end 
?>

</body>
</html>

Output:
Good Morning Everyone!!!

Morning Everyone

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