note 67984 added to function.is-numeric
| From: | Miero at osu1 dot php dot net | Date: | Sat, 08 Jul 2006 16:31:02 +0000 |
| Subject: | note 67984 added to function.is-numeric | ||
| Groups: | php.notes | ||
| Request: | Send a blank email to php-notes+get-114596@lists.php.net to get a copy of this message | ||
function is_intval($a) {
return ((string)$a === (string)(int)$a);
}
true for ("123", "0", "-1", 0, 11, 9011, 00, 0x12, true)
false for (" ", "", 1.1, "123.1", "00", "0x123",
"123a", "ada", "--1", "999999999999999999999999999999999",
false, null, '1 ')
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Probable Submitter: 195.113.25.139
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Manual Page -- http://www.php.net/manual/en/function.is-numeric.php
Edit -- http://master.php.net/note/edit/67984
Del: integrated -- http://master.php.net/note/delete/67984/integrated
Del: useless -- http://master.php.net/note/delete/67984/useless
Del: bad code -- http://master.php.net/note/delete/67984/bad+code
Del: spam -- http://master.php.net/note/delete/67984/spam
Del: non-english -- http://master.php.net/note/delete/67984/non-english
Del: in docs -- http://master.php.net/note/delete/67984/in+docs
Del: other reasons-- http://master.php.net/note/delete/67984
Reject -- http://master.php.net/note/reject/67984
Search -- http://master.php.net/manage/user-notes.php