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PHP: crc32() function

Description

The crc32() function generates a 32-bit cyclic redundancy code (CRC) for a string.

The function is generally used to validate the integrity of data being transmitted.

Version:

(PHP 4 and above)

Syntax:

crc32(string_data)

Parameter:

Name Description Required /
Optional
Type
string_data The string data. Required String

Return values

The crc32 checksum of string_data.

Value Type: Integer.

Pictorial Presentation

php-string-crc32()

Example:

<?php
$crc_string = crc32('Good Morning...');
printf('%u', $crc_string);
?>

Output:

1329844137 

View the example in the browser

See also

PHP Function Reference

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