Miscellaneous

What is the difference between fread () and fopen () function in PHP?

What is the difference between fread () and fopen () function in PHP?

Fopen() returns a file handle resource, which is basically the contents of the file. To read from a file, the function fread() is used, and to write to a file fwrite() is used.

What is fread () in PHP?

The fread() function in PHP is an inbuilt function which reads up to length bytes from the file pointer referenced by file from an open file. The fread() function stops at the end of the file or when it reaches the specified length passed as a parameter, whichever comes first.

What is fopen () and fclose () function explain with program?

fopen () function creates a new file or opens an existing file. fclose () fclose () function closes an opened file.

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What does fopen () function do in PHP?

fopen() function in PHP. The fopen() function opens a file or URL. If the function fails, it returns FALSE and an error on failure.

Which of the following is correct about fclose () in PHP?

The fclose() function in PHP is an inbuilt function which is used to close a file which is pointed by an open file pointer. The fclose() function returns true on success and false on failure. This parameter specifies the file which has to be closed. Return Value: It returns true on success and false on failure.

Does fread move the file pointer?

Answer: Yes, the position of the file pointer is updated automatically after the read operation, so that successive fread() functions read successive file records.

Does fread return?

The fread() function returns the number of full items successfully read, which can be less than count if an error occurs, or if the end-of-file is met before reaching count. If size or count is 0, the fread() function returns zero, and the contents of the array and the state of the stream remain unchanged.

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What is Fclose?

Description. The fclose() function closes a stream pointed to by stream . This function deletes all buffers that are associated with the stream before closing it. When it closes the stream, the function releases any buffers that the system reserved.

What is the purpose of the fclose () function in C?

In the C Programming Language, the fclose function closes a stream pointed to by stream. The fclose function flushes any unwritten data in the stream’s buffer.

What is the return type of fclose ()?

The fclose() function returns 0 if it successfully closes the stream, or EOF if any errors were detected.

What is $_ files in PHP?

$_FILES is a two dimensional associative global array of items which are being uploaded by via HTTP POST method and holds the attributes of files such as: Attribute. Description. [name] Name of file which is uploading.

How to open a file using fopen function in PHP?

Save the above code in a file named file_function.php Assuming you saved the file in phptuts folder in htdocs, open the URL http://localhost/phptuts/file_function.php in your browser You will get the following results. The fopen function is used to open files. It has the following syntax Read file from beginning.

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Why is fopen() so hated in PHP?

The reason for this is because it is another one of those functions lifted straight from C, and so is not as user-friendly as most PHP functions. On the flip-side, as per usual, is the fact that fopen () is an incredibly versatile function that some people come to love for its ability to manipulate files just as you want it to.

How to finish off using FREAD() in PHP?

To finish off using fread () it is simply necessary to close the file as soon as you are done with it. Author’s Note: Although PHP automatically closes all files you left open in your script, it is not smart to rely on it to do so – it is a poor use of resources, and it might affect other processes trying to read the file.

What is the difference between “fopen” and “die” functions in PHP?

HERE, “fopen” function returns the pointer to the file specified in the file path “die()” function is called if an error occurs. It displays a message and exists execution of the script