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copy from is_string example,

Browse source 
more descriptive example code output

-- 
Provided by Hans Henrik Bergan (divinity76@gmail.com)

git-svn-id: https://svn.php.net/repository/phpdoc/en/trunk@329668 c90b9560-bf6c-de11-be94-00142212c4b1
This commit is contained in:
Peter Cowburn 2013-03-05 21:15:49 +00:00
parent 65ecfa33fd
commit 73c3254151
1 changed files with 14 additions and 13 deletions
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27
reference/var/functions/is-int.xml
View file

@ -53,26 +53,27 @@
<programlisting role="php">
<![CDATA[
<?php
if (is_int(23)) {
echo "is integer\n";
} else {
echo "is not an integer\n";
$values = array(23, "23", 23.5, "23.5", null, true, false);
foreach ($values as $value) {
echo "is_int(";
var_export($value);
echo ") = ";
var_dump(is_int($value));
}
var_dump(is_int(23));
var_dump(is_int("23"));
var_dump(is_int(23.5));
var_dump(is_int(true));
?>
]]>
</programlisting>
&example.outputs;
<screen>
<![CDATA[
is integer
bool(true)
bool(false)
bool(false)
bool(false)
is_int(23) = bool(true)
is_int('23') = bool(false)
is_int(23.5) = bool(false)
is_int('23.5') = bool(false)
is_int(NULL) = bool(false)
is_int(true) = bool(false)
is_int(false) = bool(false)
]]>
</screen>
</example>