PHP – rand() Function
The PHP rand() function generates a random integer.
PHP – readdir() Function
The PHP readdir() function returns the name of the next entry in a directory.
PHP – readfile() Function
The PHP readfile() function reads a file and writes it to the output buffer.
PHP – realpath_cache_get() Function
The PHP realpath_cache_get() function returns realpath cache entries.
PHP – realpath_cache_size() Function
The PHP realpath_cache_size() function returns realpath cache size.
PHP – require Keyword
The PHP require keyword is used to embed PHP code from another file. If the file is not found, a fatal error is thrown and the program stops.
PHP – require_once Keyword
The PHP require_once keyword is used to embed PHP code from another file.
PHP – reset() Function
The PHP reset() function moves the internal pointer to the first element of the array.
PHP – restore_error_handler() Function
The PHP restore_error_handler() function restores the previous error handler after changing it with the set_error_handler() function.
PHP – restore_exception_handler() Function
The PHP restore_exception_handler() function restores the previous exception handler after changing it with the set_exception_handler() function.
PHP – rewind() Function
The PHP rewind() function rewinds the position of the file pointer to the beginning of the file.
PHP – return Keyword
The PHP return keyword ends a function and uses the result of an expression as the return value of the function.
PHP – rewinddir() Function
The PHP rewinddir() function resets the directory handle created by opendir().
PHP – scandir() Function
The PHP scandir() function returns an array of files and directories of the specified directory.