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Bug #37394 erroneous parameter check in substr_compare
Submitted: 2006-05-10 11:20 UTC Modified: 2006-05-10 13:08 UTC
From: sivann at cs dot ntua dot gr Assigned:
Status: Closed Package: Unknown/Other Function
PHP Version: 5.1.4 OS: Linux
Private report: No CVE-ID: None
 [2006-05-10 11:20 UTC] sivann at cs dot ntua dot gr
substr_compare shouldn't output warning and return FALSE if the "length" parameter *equals* the length of main_str. It should do that only if length > strlen(main_str). 

Moreover an invalid error is returned: "The start position cannot exceed initial string length" even if specifying start position 0.

This error didn't exist in version 5.1.0.

Reproduce code:
echo substr_compare("abcd","abcd",0,4);

Expected result:
it should do the same as this (return 0):
echo substr_compare("abcd","abcd",0);

Actual result:
Warning: substr_compare() [function.substr-compare]: The start position cannot exceed initial string length in ...


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 [2006-05-10 13:08 UTC]
This bug has been fixed in CVS.

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