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OAuthProvider::generateToken

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(PECL OAuth >= 1.0.0)

OAuthProvider::generateToken — Generate a random token

Description

final public static OAuthProvider::generateToken ( int $size [, bool $strong = FALSE ] ) : string

Generates a string of pseudo-random bytes.

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Parameters

size

The desired token length, in terms of bytes.

strong

Setting to TRUE means /dev/random will be used for entropy, as otherwise the non-blocking /dev/urandom is used. This parameter is ignored on Windows.

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Return Values

The generated token, as a string of bytes.

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Errors/Exceptions

If the strong parameter is TRUE, then an E_WARNING level error will be emitted when the fallback rand() implementation is used to fill the remaining random bytes (e.g., when not enough random data was found, initially).

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Examples

Example #1 OAuthProvider::generateToken() example

<?php
$p = new OAuthProvider();

$t = $p->generateToken(4);

echo strlen($t),  PHP_EOL;
echo bin2hex($t), PHP_EOL;

?>

The above example will output something similar to:

4
b6a82c27

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Notes

Note:

When not enough random data is available to the system, this function will fill the remaining random bytes using the internal PHP rand() implementation.

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See Also

Find a PHP function

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Document created the 30/01/2003, last modified the 26/10/2018
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References

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