Remove excess whitespace from within a string

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Not sure exactly what you want but here are two situations:

  1. If you are just dealing with excess whitespace on the beginning or end of the string you can use trim(), ltrim() or rtrim() to remove it.

  2. If you are dealing with extra spaces within a string consider a preg_replace of multiple whitespaces " "* with a single whitespace " ".

Example:

$foo = preg_replace('/\s+/', ' ', $foo);

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