current version (PHP 5.4.4). Behavior of PHP 5.4 WAS changed.
I intend to show evidence of breakage (backward incompatibility)
in PHP 5.4.4, not intend to write test code to be passed on PHP 5.4.4.
--
Oishi Kazuo
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cd711685a592c52be200e248154283c6c49c9f8
zendi_smart_strcmp() and is_numeric_string[_ex]() are changed.
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OISHI Kazuo
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lity problem (2)
--FILE--
"0x");
var_dump("0x" <= "0x");
--EXPECT--
bool(true)
bool(true)
bool(true)
bool(true)
bool(true)
bool(true)
bool(false)
bool(true)
==
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OISHI K
at at least the right side is supposed
> to be float, not integer ...
In addition to == operator, >, <, >=, and <= operators are influenced.
And, hexdecimal format for big number is now case-sensitive.
http://www.mail-archive.com/internals@lists.php.net/msg58789.html
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O
ompatible change should not be introduced in
major operators such as ==, anymore. But if behavior change is applied
to string comparison operator, it should be a natural extension of
current behavior; number-like string is compared as number, not as raw
string. (e.g. canonicalize string as number way before string match.)
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OISHI Kazuo
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