Functionality of PHP trim() function

Function:

trim — Strip whitespace (or other characters) from the beginning and end of a string.

 

Syntax:

string trim ( string $str [, string $charlist ] )

 

Arguments:

str
The string that will be trimmed.

charlist
Optionally, the stripped characters can also be specified using the charlist parameter.

 

Argument Options:

PHP trim function returns a string with white space stripped from the beginning and end of str. Without the second parameter, trim() will strip these characters:

 

” ” (ASCII 32 (0x20)), an ordinary space
“\0” (ASCII 0 (0x00)), the NUL-byte
“\n” (ASCII 10 (0x0A)), a new line (line feed)
“\t” (ASCII 9 (0x09)), a tab
“\r” (ASCII 13 (0x0D)), a carriage return
“\x0B” (ASCII 11 (0x0B)), a vertical tab

 

Can I trim other characters than these?

Yes, this is possible and easy, you just use a second parameter with all characters you want to trim.

 

Trim these characters from the beginning and end of a string: “S”,”c”,”e”.

[php]</pre>
<pre>$mystr = trim ( "Scriparticle" , "Sce") ;
echo $mystr;
[/php]


Result will

[php]
riparticl
[/php]