ID: 9983
User Update by: [EMAIL PROTECTED]
Old-Status: Closed
Status: Open
Old-Bug Type: Scripting Engine problem
Bug Type: Documentation problem
Description: String concatination
I read precedence list again. There is "." operator listed and has higher precedence
than "?:" operator. So PHP is working as expected. I didn't see "." It was hard to see
on my browser. Thanks.
Anyway, I have suggestion for the manual page, so I changed status to open as
"Documentation Problem".
I think the manual page better to have relevant language constructs in the precedence
list even if it is not a actually a operator in PHP. (Such as "()", "{}", "::", "->",
unary "-","+". It seems these are not a operator in PHP, since they are not listed.
Not sure though.) Only "()" is described in the section. All of them affects how
expressions are evaluated in script and I think precedence for these is important as
operator precedence because programmers want expressions are evaluated as expected.
How about change the section title from "Operator Precedence" to "Precedence"? Then
documentation can include anything that can affects expression and still have
consistency with section title.
It also would be nice to have a little explaination for each operator in the
precedence list. Since it is ambigous if listed operator is unary or binary. For
example, unary "-" should have higher precedence than binary "-". It would be obvious
for most users, but it may be usuful for someone.
Previous Comments:
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[2001-03-26 03:46:52] [EMAIL PROTECTED]
Please read this manual page:
http://www.php.net/manual/en/language.operators.precedence.php
--Jani
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[2001-03-26 00:17:05] [EMAIL PROTECTED]
Following code, needs "()" to get expected value.
$bar = true;
$str = "TEST". ($bar ? 'true' : 'false') ."TEST";
Without "(" and ")", only "true" will be in $str.
(PHP4.0.4pl1/Apache DSO/Linux, PHP4.0.5RC1/Apache DSO/W2K Server)
If this is expected behavior in PHP, it would better to be described in the Manual.
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Full Bug description available at: http://bugs.php.net/?id=9983
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