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Bug #20765 problem with array_search function
Submitted: 2002-12-02 11:10 UTC Modified: 2002-12-02 11:21 UTC
Votes:1
Avg. Score:2.0 ± 0.0
Reproduced:1 of 1 (100.0%)
Same Version:0 (0.0%)
Same OS:1 (100.0%)
From: lenny at solbridge dot com Assigned:
Status: Not a bug Package: Scripting Engine problem
PHP Version: 4.2.3 OS: Windows XP
Private report: No CVE-ID: None
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From: lenny at solbridge dot com
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 [2002-12-02 11:10 UTC] lenny at solbridge dot com 
array_search will return "THE POSITION of the NEEDLE" when a needle is found in an array and return "FALSE" when not found.   The problem will occur when the NEEDLE is found to be at the first position of an array which will return a "0", a value that is equipvalent to "FALSE" though the NEEDLE has been successfully found.

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 [2002-12-02 11:21 UTC] philip@php.net 
There is a warning in the docs, I'll quote it here:

This function may return Boolean FALSE, but may also return a non-Boolean value which evaluates to FALSE, such as 0 or "". Please read the section on Booleans for more information. Use the === operator for testing the return value of this function.

This comes from the &return.falseproblem; entity in the docs.
 
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