How to make sure the value is reset in foreach loop in PHP

Posted by kwokwai on Stack Overflow See other posts from Stack Overflow or by kwokwai
Published on 2010-04-28T10:45:30Z Indexed on 2010/04/28 10:53 UTC
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Hi all,

I was writing a simple PHP page and a few foreach loops were used.

Here are the scripts:

$arrs = array("a", "b", "c");

    foreach ($arrs as $arr) {
if(substr($arr,0,1)=="b")
{
echo "This is b";
}     
    } // ends of first foreach loop and I didn't use ifelse here

And when this foreach ends, I wrote another foreach loop in which all the values in the foreach loop was the same as previous foreach.

    foreach ($arrs as $arr) {
  if(substr($arr,0,1)=="c")
{
echo "This is c";
}     
    }

I am not sure if it is a good practice to have two foreach loops with same values and keys.

Will the values get overwritten in the first foreach loop?

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