crc32 – PHP String Functions
Syntax :
string crc32(string);
Description :
crc32() function will return CRC32 i.e cyclic redundancy checksum polynomial of 32-bit lengths of the string. This is usually used to validate the integrity of data being transmitted.
Note : You need to use the “%u” formatter of sprintf() or printf() to get the string representation of the unsigned crc32() checksum in decimal format.
Parameter :
string – String to be used.
Output :
This will return CRC32 i.e cyclic redundancy checksum polynomial of 32-bit lengths of the string.
PHP crc32() function Example 1
<?php
$checksum = crc32("Hi from tutorialmines.net!");
printf("%u", $checksum);
?>In above example ,We have a string “Hi from tutorialmines.net!”. So, when we apply crc32() function.
Now Output will become –
1895815105
