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--TEST-- Test fscanf() function: usage variations - file pointer pointing to EOF --FILE-- <?php /* Prototype: mixed fscanf ( resource $handle, string $format [, mixed &$...] ); Description: Parses input from a file according to a format */ /* Test fscanf() to read a file when file pointer is pointing to EOF */ $file_path = dirname(__FILE__); echo "*** Test fscanf(): to read a file when file pointer is pointing to EOF ***\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_variation53.tmp"; $file_handle = fopen($filename, "w"); if($file_handle == false) exit("Error:failed to open file $filename"); //writing data to the file @fwrite($file_handle, "Sample text\n"); // writing a blank line @fwrite($file_handle, "\n"); //closing the file fclose($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 $counter --\n"; // current location var_dump( ftell($file_handle) ); // set the file pointer to eof var_dump( fseek($file_handle, 0, SEEK_END) ); // current location var_dump( ftell($file_handle) ); foreach($formats as $format) { var_dump( fscanf($file_handle,$format) ); } $counter++; fclose($file_handle); unlink($filename); } echo "\n*** Done ***"; ?> --CLEAN-- <?php $file_path = dirname(__FILE__); $filename = "$file_path/fscanf_variation53.tmp"; if(file_exists($filename)) { unlink($filename); } ?> --EXPECT-- *** Test fscanf(): to read a file when file pointer is pointing to EOF *** -- iteration 1 -- int(0) int(0) int(13) bool(false) bool(false) bool(false) bool(false) bool(false) bool(false) bool(false) -- iteration 2 -- int(0) int(0) int(13) bool(false) bool(false) bool(false) bool(false) bool(false) bool(false) bool(false) -- iteration 3 -- int(0) int(0) int(13) bool(false) bool(false) bool(false) bool(false) bool(false) bool(false) bool(false) -- iteration 4 -- int(0) int(0) int(13) bool(false) bool(false) bool(false) bool(false) bool(false) bool(false) bool(false) -- iteration 5 -- int(0) int(0) int(13) bool(false) bool(false) bool(false) bool(false) bool(false) bool(false) bool(false) -- iteration 6 -- int(0) int(0) int(13) bool(false) bool(false) bool(false) bool(false) bool(false) bool(false) bool(false) -- iteration 7 -- int(0) int(0) int(0) bool(false) bool(false) bool(false) bool(false) bool(false) bool(false) bool(false) -- iteration 8 -- int(0) int(0) int(0) bool(false) bool(false) bool(false) bool(false) bool(false) bool(false) bool(false) -- iteration 9 -- int(0) int(0) int(0) bool(false) bool(false) bool(false) bool(false) bool(false) bool(false) bool(false) -- iteration 10 -- int(0) int(0) int(13) bool(false) bool(false) bool(false) bool(false) bool(false) bool(false) bool(false) -- iteration 11 -- int(0) int(0) int(13) bool(false) bool(false) bool(false) bool(false) bool(false) bool(false) bool(false) -- iteration 12 -- int(0) int(0) int(13) bool(false) bool(false) bool(false) bool(false) bool(false) bool(false) bool(false) *** Done ***