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Bug #6152 count() function not returning proper value
Submitted: 2000-08-14 15:26 UTC Modified: 2000-08-14 15:34 UTC
From: jdoyon at nrcan dot gc dot ca Assigned:
Status: Closed Package: Misbehaving function
PHP Version: 3.0.15 OS: Linux RedHat 6.2
Private report: No CVE-ID: None
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 [2000-08-14 15:26 UTC] jdoyon at nrcan dot gc dot ca 
I just discovered that the count() function to return the length of an array does not seem to be returning the proper value.

I have an array of length 858, and it keeps telling me it's 464 !

If I manually force the loop I can output all elements, whereas if I use a for() loop with "$i < count($array)" as I usually do, I get only part of it !

I suspect this maybe caused by the fact that this is an array of counters, where not all single elements might get initialized.
(i.e. some counters increase, some remain NULL).

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 [2000-08-14 15:34 UTC] zak@php.net 
This is not a bug - this is the way that php handles arrays.

PHP considers all arrays to be associative arrays.

For example:
$array[9] = 1;
$array[2] = 1;

count ($array) will return a value of two, even though the last element in the array looks like it is positioned at the 10th numeric index in the array.

Since indexes 0 and 1, and 3 to 8 are not set, then they are not counted.
 
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