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Reads to EOF on the given file pointer from the current position and writes the results to the output buffer. You may need to call SplFileObject::rewind () to reset the file pointer to the beginning of the file if you have already written data to the file.
Apr 28, 2025 · The SplFileObject::fpassthru () is an inbuilt function in PHP that is used to output the contents of a file to the output buffer, typically the browser, without reading the entire file into memory. It allows you to efficiently stream the contents of a file in smaller chunks, which is particularly useful for working with large files. Syntax: public SplFileObject::fpassthru(): int Parameters ...
There's a solution for what I'm trying to achieve using stream_get_contents(): pass fpassthru contents to variable However, that method requires you to have direct access to the file handle. SplFileObject hides the file handle in a private property and therefore not accessible. Is there anything else I can try?
PHP fpassthru function tutorial shows how to output file contents directly in PHP. Learn fpassthru with practical examples.
Reads to EOF on the given file pointer from the current position and writes the results to the output buffer. You may need to call SplFileObject::rewind () to reset the file pointer to the beginning of the file if you have already written data to the file.
When using fpassthru () on a binary file on Windows systems, you should make sure to open the file in binary mode by appending a b to the mode used in the call to fopen ().
The fpassthru () function reads from the current position in a file - until EOF, and then writes the result to the output buffer. Note: When using fpassthru () on a binary file on Windows, remember to open the file in binary mode.
