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- --TEST--
- Test fscanf() function: usage variations - empty file
- --FILE--
- <?php
- /* Test fscanf() to scan an empty file */
- $file_path = __DIR__;
- echo "*** Test fscanf(): to read an empty file ***\n";
- // various formats
- $formats = array( "%d", "%f", "%e", "%u", " %s", "%x", "%o");
- $counter = 1;
- // various read modes
- $modes = array("r", "rb", "rt", "r+", "r+b", "r+t",
- "w+", "w+b", "w+t",
- "a+", "a+b", "a+t"
- );
- $counter = 1;
- // reading the values from file using different integer formats
- foreach($modes as $mode) {
- // create an empty file
- $filename = "$file_path/fscanf_variation52.tmp";
- $file_handle = fopen($filename, "w");
- if($file_handle == false)
- exit("Error:failed to open file $filename");
- //closing the file
- fclose($file_handle);
- // opening file in $mode mode
- $file_handle = fopen($filename, $mode);
- if($file_handle == false) {
- exit("Error:failed to open file $filename");
- }
- echo "\n-- iteration $counter --\n";
- foreach($formats as $format) {
- var_dump( fscanf($file_handle,$format) );
- rewind($file_handle);
- }
- $counter++;
- fclose($file_handle);
- unlink($filename);
- }
- echo "\n*** Done ***";
- ?>
- --CLEAN--
- <?php
- $file_path = __DIR__;
- $filename = "$file_path/fscanf_variation52.tmp";
- if(file_exists($filename)) {
- unlink($filename);
- }
- ?>
- --EXPECT--
- *** Test fscanf(): to read an empty file ***
- -- iteration 1 --
- bool(false)
- bool(false)
- bool(false)
- bool(false)
- bool(false)
- bool(false)
- bool(false)
- -- iteration 2 --
- bool(false)
- bool(false)
- bool(false)
- bool(false)
- bool(false)
- bool(false)
- bool(false)
- -- iteration 3 --
- bool(false)
- bool(false)
- bool(false)
- bool(false)
- bool(false)
- bool(false)
- bool(false)
- -- iteration 4 --
- bool(false)
- bool(false)
- bool(false)
- bool(false)
- bool(false)
- bool(false)
- bool(false)
- -- iteration 5 --
- bool(false)
- bool(false)
- bool(false)
- bool(false)
- bool(false)
- bool(false)
- bool(false)
- -- iteration 6 --
- bool(false)
- bool(false)
- bool(false)
- bool(false)
- bool(false)
- bool(false)
- bool(false)
- -- iteration 7 --
- bool(false)
- bool(false)
- bool(false)
- bool(false)
- bool(false)
- bool(false)
- bool(false)
- -- iteration 8 --
- bool(false)
- bool(false)
- bool(false)
- bool(false)
- bool(false)
- bool(false)
- bool(false)
- -- iteration 9 --
- bool(false)
- bool(false)
- bool(false)
- bool(false)
- bool(false)
- bool(false)
- bool(false)
- -- iteration 10 --
- bool(false)
- bool(false)
- bool(false)
- bool(false)
- bool(false)
- bool(false)
- bool(false)
- -- iteration 11 --
- bool(false)
- bool(false)
- bool(false)
- bool(false)
- bool(false)
- bool(false)
- bool(false)
- -- iteration 12 --
- bool(false)
- bool(false)
- bool(false)
- bool(false)
- bool(false)
- bool(false)
- bool(false)
- *** Done ***
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