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is_scalar: Removed note, hid TODO comment, added some info.

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Regarding TODO, not sure about it, can't think of a better example atm.


git-svn-id: https://svn.php.net/repository/phpdoc/en/trunk@66809 c90b9560-bf6c-de11-be94-00142212c4b1
This commit is contained in:
Philip Olson 2002-01-03 18:42:29 +00:00
parent 9a69200810
commit 468daad7ae
1 changed files with 12 additions and 17 deletions
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29
functions/var.xml
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@ -1,5 +1,5 @@
<?xml version="1.0" encoding="iso-8859-1"?>
<!-- $Revision: 1.89 $ -->
<!-- $Revision: 1.90 $ -->
<reference id="ref.variables">
<title>Variable Functions</title>
<titleabbrev>Variables</titleabbrev>
@ -745,20 +745,21 @@ import_request_variables("gP", "rvar_");
</para>
<para>
Scalar variables are those containing an <type>integer</type>,
<type>float</type>, <type>string</type> or <type>boolean</type>.
For example:
<type>float</type>, <type>string</type> or <type>boolean</type>.
Types <type>array</type>, <type>object</type> and <type>resource</type>
or not scalar.
<informalexample>
<programlisting role="php">
<![CDATA[
<!-- TODO: better example, this one can be quite misleading for unexperienced
programmers -->
programmers. -->
<![CDATA[
function show_var($var) {
if (is_scalar($var))
if (is_scalar($var)) {
echo $var;
else
} else {
var_dump($var);
}
}
$pi = 3.1416;
$proteins = array("hemoglobin", "cytochrome c oxidase", "ferredoxin");
@ -782,15 +783,9 @@ show_var($proteins)
<note>
<para>
<function>is_scalar</function> does not consider <type>resource</type>
type values to be scalar values. This behavior is intentional:
Resources are abstract datatypes which are currently based on
integers. This implementation detail should not be relied upon,
as it may change.
</para>
</note>
<note>
<para>
Since 4.0.5
type values to be scalar as resources are abstract datatypes
which are currently based on integers. This implementation detail should
not be relied upon, as it may change.
</para>
</note>
<para>