1--TEST-- 2Test fopen and fclose() functions - usage variations - "x" mode 3--FILE-- 4<?php 5 6/* Test fopen() and fclose(): Opening the file in "x" mode, 7 checking for the file creation, write & read operations, 8 checking for the file pointer position, 9 checking for the warning msg when trying to open an existing file in "x" mode, 10 and fclose function 11*/ 12$file_path = __DIR__; 13$string = "abcdefghij\nmnopqrst\tuvwxyz\n0123456789"; 14$file = $file_path."/007_variation7.tmp"; 15 16echo "*** Test fopen() & fclose() functions: with 'x' mode ***\n"; 17$file_handle = fopen($file, "x"); //opening the non-existing file in "x" mode, file will be created 18var_dump($file_handle); //Check for the content of handle 19var_dump( get_resource_type($file_handle) ); //Check for the type of resource 20var_dump( ftell($file_handle) ); //Initial file pointer position, expected at the beginning of the file 21var_dump( fwrite($file_handle, $string) ); //Check for write operation; passes; expected:size of the $string 22var_dump( ftell($file_handle) ); //File pointer position after write operation, expected at the end of the file 23rewind($file_handle); 24var_dump( fread($file_handle, 100) ); //Check for read operation; fails; expected: false 25var_dump( ftell($file_handle) ); //File pointer position after read operation, expected at the beginning of the file 26var_dump( fclose($file_handle) ); //Check for close operation on the file handle 27var_dump( get_resource_type($file_handle) ); //Check whether resource is lost after close operation 28$file_handle = fopen($file, "x"); //Opening the existing data file in 'x' mode to check for the warning message 29echo "*** Done ***\n"; 30--CLEAN-- 31<?php 32unlink(__DIR__."/007_variation7.tmp"); 33?> 34--EXPECTF-- 35*** Test fopen() & fclose() functions: with 'x' mode *** 36resource(%d) of type (stream) 37string(6) "stream" 38int(0) 39int(37) 40int(37) 41 42Notice: fread(): Read of 8192 bytes failed with errno=9 Bad file descriptor in %s on line %d 43bool(false) 44int(0) 45bool(true) 46string(7) "Unknown" 47 48Warning: fopen(%s): Failed to open stream: File exists in %s on line %d 49*** Done *** 50