PHP crc32 Function
What is crc32 Function?
In PHP, this function is used to calculate the cyclic redundancy checksum polynomial of a string.
In the above syntax "string" is the input for which crc32 polynomial to be found, its usually 32-bit's in length for the given string, and its used to validate the integrity of data being transmitted.
$str = crc32("Hey how are you!");
In the above example the "u%" fomatter is used to get the correct result, otherwise it may display negative numbers.