PHP : intval() function
Description
The intval() function is used to get the integer value of a variable.
Version:
(PHP 4 and above)
Syntax:
intval(var_name, base)
Parameter:
Name | Description | Required / Optional |
Type |
---|---|---|---|
var_name | The scalar value being converted to an integer | Required | Mixed* |
base | The base for the conversion. (default is base 10) | Optional | Integer |
*Mixed : Mixed indicates that a parameter may accept multiple (but not necessarily all) types.
Return value
The integer value of var on success, or 0 on failure
Value Type : Integer.
Example :
<?php
echo intval(102).'<br>';
echo intval(102.22).'<br>';
echo intval('102').'<br>';
echo intval(+102).'<br>';
echo intval(-102).'<br>';
echo intval(0102).'<br>';
echo intval('0002').'<br>';
echo intval(1e20).'<br>';
echo intval(0x1B).'<br>';
echo intval(10200000).'<br>';
echo intval(10200000000000000000).'<br>';
echo intval(10, 2).'<br>';
echo intval('10', 2).'<br>';
?>
Output :
102 102 102 102 -102 66 2 0 27 10200000 0 10 2
View the example in the browser
Practice here online :
See also
Previous: import_request_ variables
Next: is_array
PHP: Tips of the Day
Returns true if the given string is a palindrome, false otherwise
Example:
<?php function tips_palindrome($string) { return strrev($string) === (string) $string; } print(tips_palindrome('malayalam')); print("\n"); print(tips_palindrome(151)); ?>
Output:
1 1
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