octdec
(PHP 4, PHP 5)
octdec — Octal to decimal
Description
Returns the decimal equivalent of the octal number
represented by the octal_string argument.
Parameters
-
octal_string -
The octal string to convert
Return Values
The decimal representation of octal_string
Changelog
| Version | Description |
|---|---|
| 4.1.0 | The function can now convert numbers that are too large to fit into the platforms integer type, larger values are returned as float in that case. |
Examples
Example #1 octdec() example
<?php
echo octdec('77') . "\n";
echo octdec(decoct(45));
?>
The above example will output:
63 45
See Also
- decoct() - Decimal to octal
- bindec() - Binary to decimal
- hexdec() - Hexadecimal to decimal
- base_convert() - Convert a number between arbitrary bases
- PHP Руководство
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- abs
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- ceil
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- deg2rad
- exp
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- getrandmax
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- hypot
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- is_finite
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- is_nan
- lcg_value
- log10
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- pi
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Коментарии
Number is octal?
Simple and easy:
<?php
function is_octal($x) {
return decoct(octdec($x)) == $x;
}
echo is_octal(077); // true
echo is_octal(195); // false
?>
Thanks
[]'s