Remove Multiple Spaces Before and After Characters PHP

say I have a string like so

 Testing       

How could I have it remove all sp开发者_开发知识库aces before the first letter, and all spaces after the last letter in the string.

Thanks!

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Look here for all string functions in PHP.

http://php.net/manual/en/ref.strings.php

use trim(string)

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use trim()

Be sure to have this close by: String functions in PHP

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Try the trim function.

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