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The fseek () function seeks in an open file. This function moves the file pointer from its current position to a new position, forward or backward, specified by the number of bytes. Tip: You can find the current position by using ftell ()!
fseek (resource $stream, int $offset, int $whence = SEEK_SET): int. Sets the file position indicator for the file referenced by stream. The new position, measured in bytes from the beginning of the file, is obtained by adding offset to the position specified by whence.
fseek ( resource $stream, int $offset, [int $whence = SEEK_SET] ): int. Sets the file position indicator for the file referenced by stream. The new position, measured in bytes from the beginning of the file, is obtained by adding offset to the position specified by whence.
The fseek() function is a built-in PHP function that sets the file position indicator for the specified file pointer. This function is used to move the file pointer to a specific location in a file. Here's the basic syntax of the fseek() function: fseek (file, offset, whence);
18 cze 2023 · The fseek() function allows you to seek to a specific position within a file, giving you control over where the file pointer is positioned. One practical example of using fseek() is when you need to update a specific piece of data in a file. Let's say you have a log file and you want to modify a particular entry.
The PHP Filesystem fseek () function is used to seek in an open file. This function can move file pointer from its current position to a new position forward or backward, given by the number of bytes. This function can return 0 on success or -1 on failure. Seeking past EOF can not produce an error.
fseek ( resource $handle , int $offset [, int $whence = SEEK_SET ] ) : int. Sets the file position indicator for the file referenced by handle. The new position, measured in bytes from the beginning of the file, is obtained by adding offset to the position specified by whence.
