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is_int(): accurately test for integer

/ Published in: PHP
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A better and more accurate function to see if a value is an integer.

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  1. function is_int($int){
  2. 		if(is_numeric($int) === TRUE){
  3. 				return ((int)$int == $int) ? true: false;
  4. 		}
  5. 		return FALSE;
  6. }
  7. /*
  8.     // test code
  9. 		print("155 - ".int(155)."<br>");
  10.     print("15.5 - ".int(15.5)."<br>");
  11.     print("\"155\" - ".int("155")."<br>");
  12.     print("\"15.5\" - ".int("15.5")."<br>");
  13.     print("\"0155\" - ".int("0155")."<br>");
  14.     print("\"I'm 155\" - ".int("I'm 155")."<br>");
  15.     print("\"test\" -- ".int(true)."<br>");
  16.     print("\"\" - ".int(""));
  17. */

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