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is_empty() : safely test for an empty string (or mixed variable)

/ Published in: PHP
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a function to safely test for an empty string (or mixed variable) in cases when "0" is not intended to be empty

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  1. function _empty($string){ 
  2. 		 $string = trim($string);
  3. 		 if(!is_numeric($string)) return empty($string);
  4. 		 return FALSE;
  5. }

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