We now have a youtube channel. Subscribe!

PHP | crc32() Function

PHP crc32() Function

Hello folks! welcome back to a new edition of our tutorial on PHP. In this tutorial guide, we are going to be studying about the PHP crc32() Function.

The built-in PHP crc32() function is used to calculate the crc32 polynomial of a string.

This built-in function generates the cyclic redundancy checksum polynomial of 32-bit lengths of the string. It is usually used in validating the integrity of the data being transmitted


Following below is the syntax to use this function -

crc32 ( string )

Parameter Details

Sr.NoParameters & Description


The string to be calculated.

Return Value

This PHP function returns a 32-bit CRC as a string.


Try out the example below -

   $str = crc32("webdesigntutorialz");


When the above code is executed, it will produce the following result -


Alright guys! This is where we are going to be rounding up for this tutorial post. In our next tutorial, we will be studying about the PHP crypt() Function.

Feel free to ask your questions where necessary and we will attend to them as soon as possible. If this tutorial was helpful to you, you can use the share button to share this tutorial.

Follow us on our various social media platforms to stay updated with our latest tutorials. You can also subscribe to our newsletter in order to get our tutorials delivered directly to your emails.

Thanks for reading and bye for now.

Post a Comment

Hello dear readers! Please kindly try your best to make sure your comments comply with our comment policy guidelines. You can visit our comment policy page to view these guidelines which are clearly stated. Thank you.
© 2023 ‧ WebDesignTutorialz. All rights reserved. Developed by Jago Desain