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Posted By

braunsHizzzle on 04/08/09


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delete String last comma


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braunsHizzzle
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BrianCoyDesign


Delete Last Comma in a string

 / Published in: PHP
 

URL: http://www.totaldream.org

This is the PHP equivalent to http://snipplr.com/view/12074/delete-last-comma/

You will use only the deleteLastComma() function!

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  1. function instrrev($n,$s) {
  2. 	$x=strpos(chr(0).strrev($n),$s)+0;
  3. 	return (($x==0) ? 0 : strlen($n)-$x+1);
  4.  }
  5.  
  6. function mid($s,$x,$w="") {  //$w is optional
  7. 	if ($w) {return substr($s,$x-1,$w);}
  8.     else {return substr($s,$x-1);}
  9. }
  10.  
  11. function deleteLastComma($valStr) {
  12. 	$lastCommaPos = instrrev($valStr, ",");
  13. 	$valStr = mid($valStr, 1, $lastCommaPos - 1);
  14. 	return  $valStr;
  15. }

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Posted By: MMDeveloper on April 8, 2009

you could probably do this with a one-liner regular expression like this (shooting from the hip, untested)

function deleteLastComma($str) { return preg_replace("/(.*),([^,]+)$/", "$1$2", $str); }

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