downloads | documentation | faq | getting help | mailing lists | licenses | wiki | reporting bugs | php.net sites | conferences | my php.net

search for in the

similar_text> <sha1_file
[edit] Last updated: Fri, 24 May 2013

view this page in

sha1

(PHP 4 >= 4.3.0, PHP 5)

sha1Calculate the sha1 hash of a string

Descrierea

string sha1 ( string $str [, bool $raw_output = false ] )

Calculates the sha1 hash of str using the » US Secure Hash Algorithm 1.

Parametri

str

The input string.

raw_output

If the optional raw_output is set to TRUE, then the sha1 digest is instead returned in raw binary format with a length of 20, otherwise the returned value is a 40-character hexadecimal number.

Valorile întoarse

Returns the sha1 hash as a string.

Istoria schimbărilor

Versiunea Descriere
5.0.0 The raw_output parameter was added.

Exemple

Example #1 A sha1() example

<?php
$str 
'apple';

if (
sha1($str) === 'd0be2dc421be4fcd0172e5afceea3970e2f3d940') {
    echo 
"Would you like a green or red apple?";
}
?>

Note

Notă: Hashing-ul securizat al parolelor

Nu este recomandabilă utilizatea acestei funcții pentru a securiza parole din motivul rapidității acestui algoritm de hashing. Vedeți aici pentru detalii.

Vedeți de asemenea

  • sha1_file() - Calculate the sha1 hash of a file
  • crc32() - Calculates the crc32 polynomial of a string
  • md5() - Calculate the md5 hash of a string
  • hash() - Generate a hash value (message digest)



similar_text> <sha1_file
[edit] Last updated: Fri, 24 May 2013
 
add a note add a note User Contributed Notes sha1 - [39 notes]