1--TEST-- 2Test fopen and fclose() functions - usage variations - "x+t" mode 3--FILE-- 4<?php 5/* 6 fopen() function: 7 Prototype: resource fopen(string $filename, string $mode 8 [, bool $use_include_path [, resource $context]] ); 9 Description: Opens file or URL. 10*/ 11/* 12 fclose() function: 13 Prototype: bool fclose ( resource $handle ); 14 Description: Closes an open file pointer 15*/ 16 17/* Test fopen() and fclose(): Opening the file in "x+t" mode, 18 checking for the file creation, write & read operations, 19 checking for the file pointer position, 20 checking for the warning msg when trying to open an existing file in "x+t" mode, 21 and fclose function 22*/ 23$file_path = dirname(__FILE__); 24$string = "abcdefghij\nmnopqrst\tuvwxyz\n0123456789"; 25$file = $file_path."/007_variation16.tmp"; 26 27echo "*** Test fopen() & fclose() functions: with 'x+t' mode ***\n"; 28$file_handle = fopen($file, "x+t"); //opening the non-existing file in "x+t" mode, file will be created 29var_dump($file_handle); //Check for the content of handle 30var_dump( get_resource_type($file_handle) ); //Check for the type of resource 31var_dump( ftell($file_handle) ); //Initial file pointer position, expected at the begining of the file 32var_dump( fwrite($file_handle, $string) ); //Check for write operation; passes; expected:size of the $string 33var_dump( ftell($file_handle) ); //File pointer position after write operation, expected at the end of the file 34rewind($file_handle); 35var_dump( fread($file_handle, 100) ); //Check for read operation; passes; expected: content of the file 36var_dump( ftell($file_handle) ); //File pointer position after read operation, expected at the end of the file 37var_dump( fclose($file_handle) ); //Check for close operation on the file handle 38var_dump( get_resource_type($file_handle) ); //Check whether resource is lost after close operation 39$file_handle = fopen($file, "x+t"); //Opening the existing data file in "x+t" mode to check for the warning message 40echo "*** Done ***\n"; 41--CLEAN-- 42<?php 43unlink(dirname(__FILE__)."/007_variation16.tmp"); 44?> 45--EXPECTF-- 46*** Test fopen() & fclose() functions: with 'x+t' mode *** 47resource(%d) of type (stream) 48string(6) "stream" 49int(0) 50int(37) 51int(37) 52string(37) "abcdefghij 53mnopqrst uvwxyz 540123456789" 55int(37) 56bool(true) 57string(7) "Unknown" 58 59Warning: fopen(%s): failed to open stream: File exists in %s on line %d 60*** Done *** 61