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- --TEST--
- Test fopen and fclose() functions - usage variations - "x" mode
- --FILE--
- <?php
- /*
- fopen() function:
- Prototype: resource fopen(string $filename, string $mode
- [, bool $use_include_path [, resource $context]] );
- Description: Opens file or URL.
- */
- /*
- fclose() function:
- Prototype: bool fclose ( resource $handle );
- Description: Closes an open file pointer
- */
- /* Test fopen() and fclose(): Opening the file in "x" mode,
- checking for the file creation, write & read operations,
- checking for the file pointer position,
- checking for the warning msg when trying to open an existing file in "x" mode,
- and fclose function
- */
- $file_path = dirname(__FILE__);
- $string = b"abcdefghij\nmnopqrst\tuvwxyz\n0123456789";
- $file = $file_path."/007_variation7.tmp";
- echo "*** Test fopen() & fclose() functions: with 'x' mode ***\n";
- $file_handle = fopen($file, "x"); //opening the non-existing file in "x" mode, file will be created
- var_dump($file_handle); //Check for the content of handle
- var_dump( get_resource_type($file_handle) ); //Check for the type of resource
- var_dump( ftell($file_handle) ); //Initial file pointer position, expected at the beginning of the file
- var_dump( fwrite($file_handle, $string) ); //Check for write operation; passes; expected:size of the $string
- var_dump( ftell($file_handle) ); //File pointer position after write operation, expected at the end of the file
- rewind($file_handle);
- var_dump( fread($file_handle, 100) ); //Check for read operation; fails; expected: empty string
- var_dump( ftell($file_handle) ); //File pointer position after read operation, expected at the beginning of the file
- var_dump( fclose($file_handle) ); //Check for close operation on the file handle
- var_dump( get_resource_type($file_handle) ); //Check whether resource is lost after close operation
- $file_handle = fopen($file, "x"); //Opening the existing data file in 'x' mode to check for the warning message
- echo "*** Done ***\n";
- --CLEAN--
- <?php
- unlink(dirname(__FILE__)."/007_variation7.tmp");
- ?>
- --EXPECTF--
- *** Test fopen() & fclose() functions: with 'x' mode ***
- resource(%d) of type (stream)
- %unicode|string%(6) "stream"
- int(0)
- int(37)
- int(37)
- string(0) ""
- int(0)
- bool(true)
- %unicode|string%(7) "Unknown"
- Warning: fopen(%s): failed to open stream: File exists in %s on line %s
- *** Done ***
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