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openssl_random_pseudo_bytesGenerate a pseudo-random string of bytes Description
string openssl_random_pseudo_bytes
( int
$length
[, bool &$crypto_strong
] )
Generates a string of pseudo-random bytes, with the number of bytes
determined by the
It also indicates if a cryptographically strong algorithm was used to produce the
pseudo-random bytes, and does this via the optional Parameters
Return Values
Returns the generated string of bytes on success, or Examples
Example #1 openssl_random_pseudo_bytes example
<?php The above example will output something similar to: Lengths: Bytes: -1 and Hex: 0 string(0) "" NULL Lengths: Bytes: 0 and Hex: 0 string(0) "" NULL Lengths: Bytes: 1 and Hex: 2 string(2) "42" bool(true) Lengths: Bytes: 2 and Hex: 4 string(4) "dc6e" bool(true) Lengths: Bytes: 3 and Hex: 6 string(6) "288591" bool(true) Lengths: Bytes: 4 and Hex: 8 string(8) "ab86d144" bool(true) See Also
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