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- --TEST--
- Test fgetc() function : usage variations - write only modes (Bug #42036)
- --FILE--
- <?php
- /*
- Prototype: string fgetc ( resource $handle );
- Description: Gets character from file pointer
- */
- /* try fgetc on files which are opened in non readable modes
- w, wb, wt,
- a, ab, at,
- x, xb, xt
- */
- // include the header for common test function
- include ("file.inc");
- echo "*** Testing fgetc() with file opened in write only mode ***\n";
- $file_modes = array("w", "wb", "wt", "a", "ab", "at", "x", "xb", "xt");
- $filename = dirname(__FILE__)."/fgetc_variation3.tmp";
- foreach ($file_modes as $file_mode ) {
- echo "-- File opened in mode : $file_mode --\n";
- $file_handle = fopen($filename, $file_mode);
- if(!$file_handle) {
- echo "Error: failed to open file $filename!\n";
- exit();
- }
- $data = "fgetc_variation test";
- fwrite($file_handle, $data);
- // rewind the file pointer to beginning of the file
- var_dump( rewind($file_handle) );
- var_dump( ftell($file_handle) );
- var_dump( feof($file_handle) );
- // read from file
- var_dump( fgetc($file_handle) ); // expected : no chars should be read
- var_dump( ftell($file_handle) ); // ensure that file pointer position is not changed
- var_dump( feof($file_handle) ); // check if end of file pointer is set
- // close the file
- fclose($file_handle);
- // delete the file
- unlink($filename);
- }
- echo "Done\n";
- ?>
- --EXPECTF--
- *** Testing fgetc() with file opened in write only mode ***
- -- File opened in mode : w --
- bool(true)
- int(0)
- bool(false)
- bool(false)
- int(0)
- bool(false)
- -- File opened in mode : wb --
- bool(true)
- int(0)
- bool(false)
- bool(false)
- int(0)
- bool(false)
- -- File opened in mode : wt --
- bool(true)
- int(0)
- bool(false)
- bool(false)
- int(0)
- bool(false)
- -- File opened in mode : a --
- bool(true)
- int(0)
- bool(false)
- bool(false)
- int(0)
- bool(false)
- -- File opened in mode : ab --
- bool(true)
- int(0)
- bool(false)
- bool(false)
- int(0)
- bool(false)
- -- File opened in mode : at --
- bool(true)
- int(0)
- bool(false)
- bool(false)
- int(0)
- bool(false)
- -- File opened in mode : x --
- bool(true)
- int(0)
- bool(false)
- bool(false)
- int(0)
- bool(false)
- -- File opened in mode : xb --
- bool(true)
- int(0)
- bool(false)
- bool(false)
- int(0)
- bool(false)
- -- File opened in mode : xt --
- bool(true)
- int(0)
- bool(false)
- bool(false)
- int(0)
- bool(false)
- Done
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