PHP :: Request #11604 :: count() error codes

Request #11604	count() error codes
Submitted:	2001-06-21 11:17 UTC	Modified:	2001-06-22 18:17 UTC
From:	vroemisse at home dot nl	Assigned:
Status:	Not a bug	Package:	Feature/Change Request
PHP Version:	4.0.5	OS:	Linux/any
Private report:	No	CVE-ID:	None

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[2001-06-21 11:17 UTC] vroemisse at home dot nl

count($var) can return 0 if $var is not set and 1 if $var is not an array. 

In my view these overlap with proper return values - I can have an empty array and I can have an array with only 1 element. Actually, I often do.

Please make count($var) return -1 and -2 in these cases so I can reliably determine what's the situation with $var.

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[2001-06-22 18:17 UTC] hholzgra@php.net

you should use is_array() for argument type checking
*before* calling count() or sizeof()

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