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1. www.php.net › manual › enPHP: sha1_file - Manual

   www.php.net › manual › en

   Calculates the sha1 hash of the file specified by filename using the » US Secure Hash Algorithm 1, and returns that hash. The hash is a 40-character hexadecimal number.

2. www.w3schools.com › PHP › func_string_sha1_filePHP sha1_file () Function - W3Schools

   www.w3schools.com › PHP › func_string_sha1_file

   Definition and Usage The sha1_file () function calculates the SHA-1 hash of a file. The sha1_file () function uses the US Secure Hash Algorithm 1. From RFC 3174 - The US Secure Hash Algorithm 1: "SHA-1 produces a 160-bit output called a message digest. The message digest can then, for example, be input to a signature algorithm which generates or verifies the signature for the message. Signing ...

3. www.geeksforgeeks.org › php › php-sha1_file-functionPHP sha1_file () Function - GeeksforGeeks

   www.geeksforgeeks.org › php › php-sha1_file-function

   Jul 11, 2025 · The sha1_file () function is an inbuilt function in PHP which is used to generate the SHA-1 hash of the text file. This function returns a string on success and returns FALSE otherwise.

4. www.tutorialrepublic.com › php-reference › php-sha1PHP sha1_file () Function - Tutorial Republic

   www.tutorialrepublic.com › php-reference › php-sha1

   More Examples Here're some more examples showing how sha1_file() function actually works: The following examples demonstrate how to verify a file for any change using this function. The PHP code below first stores the SHA1 hash of a file in a text file.

   • Version: PHP 4.3.0+

5. www.w3resource.com › sha1_filePHP sha1_file () function - w3resource

   www.w3resource.com › sha1_file

   Oct 4, 2024 · The sha1_file() function is used to calculate the sha1 hash (Using US Secure Hash Algorithm 1 ) of a file.

6. www.tutorialspoint.com › php › php_function_sha1_filePHP String sha1_file () Function - Online Tutorials Library

   www.tutorialspoint.com › php › php_function_sha1_file

   The PHP String sha1_file() function is used to calculate and return the sha1 hash of the file given by filename using the US Secure Hash Algorithm 1. The hash is a 40-character hexadecimal number.

7. People also ask

   What is sha1_file() in PHP?

   • Our article is about the PHP function sha1_file(), which is used to calculate the SHA-1 hash of a file. This function is useful for verifying file integrity and for secure storage and transmission of data. In this article, we will discuss the syntax and usage of sha1_file(), as well as provide some examples.

   Sha1_file() - W3docs

   www.w3docs.com/learn-php/sha1-file.html

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   What is SHA-1 hash in PHP?

   • It allows you to calculate the SHA-1 hash of a file, which is a one-way encryption method that generates a unique fixed-length output based on the file data. By mastering this function, you can become a more proficient PHP developer.

   Sha1_file() - W3docs

   www.w3docs.com/learn-php/sha1-file.html

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   How to calculate SHA-1 hash of a file using sha1_file() function?

   • The sha1_file() function is used to calculate the SHA-1 hash of a file. The syntax of the sha1_file() function is as follows: The function takes two parameters: $filename and $raw_output. The $filename parameter is the name of the file to be hashed.

   Sha1_file() - W3docs

   www.w3docs.com/learn-php/sha1-file.html

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   What is sha1_file() function?

   • The sha1_file () function uses the US Secure Hash Algorithm 1. From RFC 3174 - The US Secure Hash Algorithm 1: "SHA-1 produces a 160-bit output called a message digest. The message digest can then, for example, be input to a signature algorithm which generates or verifies the signature for the message.

   PHP sha1_file() Function - W3Schools

   www.w3schools.com/PHP/func_string_sha1_file.asp

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8. www.w3docs.com › learn-php › sha1-fileSha1_file () - W3docs

   www.w3docs.com › learn-php › sha1-file

   The sha1_file() function is a useful tool for verifying file integrity and for secure storage and transmission of data in PHP. It allows you to calculate the SHA-1 hash of a file, which is a one-way encryption method that generates a unique fixed-length output based on the file data.