note 128993 added to function.is-int
| From: | dottwatson at main dot php dot net | Date: | Thu, 02 Nov 2023 10:58:45 +0000 |
| Subject: | note 128993 added to function.is-int | ||
| Groups: | php.notes | ||
| Request: | Send a blank email to php-notes+get-220949@lists.php.net to get a copy of this message | ||
Here my 2 cents for checking if number is float or integer
<?php
$values = array(23, "23", 23.5, "23.5", null, true, false);
foreach ($values as $value) {
echo "is_int(";
var_export($value);
echo ") = ";
var_dump(isInteger($value));
}
/**
Returns
is_int(23) = bool(true)
is_int('23') = bool(true)
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)
*/
echo "\n";
$values = array(23, "23", 23.5, "23.5", null, true, false);
foreach ($values as $value) {
echo "is_float(";
var_export($value);
echo ") = ";
var_dump(isFloat($value));
}
/**
Returns
is_float(23) = bool(false)
is_float('23') = bool(false)
is_float(23.5) = bool(true)
is_float('23.5') = bool(true)
is_float(NULL) = bool(false)
is_float(true) = bool(false)
is_float(false) = bool(false)
*/
function isInteger($input){
return preg_match("#^[0-9]+$#",trim((string)$input)) && !is_bool($input);
}
function isFloat($input){
return preg_match("#^[0-9]+\.[0-9]+$#",trim((string)$input)) &&
!is_bool($input);
}
----
Server IP: 45.112.84.4
Probable Submitter: 45.91.157.134 (proxied: 213.209.221.221)
----
Manual Page -- https://php.net/manual/en/function.is-int.php
Edit -- https://main.php.net/note/edit/128993
Del: integrated -- https://main.php.net/note/delete/128993/integrated
Del: useless -- https://main.php.net/note/delete/128993/useless
Del: bad code -- https://main.php.net/note/delete/128993/bad+code
Del: spam -- https://main.php.net/note/delete/128993/spam
Del: non-english -- https://main.php.net/note/delete/128993/non-english
Del: in docs -- https://main.php.net/note/delete/128993/in+docs
Del: other reasons-- https://main.php.net/note/delete/128993
Reject -- https://main.php.net/note/reject/128993
Search -- https://main.php.net/manage/user-notes.php