1--TEST-- 2Test fopen and fclose() functions - usage variations - "w+b" 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 $handle ); 14 Description: Closes an open file pointer 15*/ 16 17/* Test fopen() and fclose(): Opening the file in "w+b" mode, 18 checking for the file creation, write & read operations, 19 checking for the file pointer position, 20 checking for the file truncation when trying to open an existing file in "w+b" mode, 21 and fclose function 22*/ 23$file_path = dirname(__FILE__); 24require($file_path."/file.inc"); 25 26create_files($file_path, 1, "text_with_new_line", 0755, 20, "w", "007_variation", 20, "bytes"); 27$file = $file_path."/007_variation20.tmp"; 28$string = "abcdefghij\nmnopqrst\tuvwxyz\n0123456789"; 29 30echo "*** Test fopen() & fclose() functions: with 'w+b' mode ***\n"; 31$file_handle = fopen($file, "w+b"); //opening the file "w+b" mode 32var_dump($file_handle); //Check for the content of handle 33var_dump( get_resource_type($file_handle) ); //Check for the type of resource 34var_dump( ftell($file_handle) ); //Initial file pointer position, expected at the begining of the file 35var_dump( fwrite($file_handle, $string) ); //Check for write operation; passes; expected:size of the $string 36var_dump( ftell($file_handle) ); //File pointer position after write operation, expected at the end of the file 37rewind($file_handle); 38var_dump( fread($file_handle, 100) ); //Check for read operation; passes; expected: content of file 39var_dump( ftell($file_handle) ); //File pointer position after read operation, expected at the end of the file 40var_dump( fclose($file_handle) ); //Check for close operation on the file handle 41var_dump( get_resource_type($file_handle) ); //Check whether resource is lost after close operation 42 43var_dump( filesize($file) ); //Check for size of existing data file before opening the file in "w+b" mode again, expected: size of content 44clearstatcache(); 45fclose( fopen($file, "w+b") ); //Opening the existing data file again in "w+b" mode 46var_dump( filesize($file) ); //Check for size of existing data file after opening the file in "w+b" mode again, expected: 0 bytes 47clearstatcache(); 48 49unlink($file); //Deleting the file 50fclose( fopen($file, "w+b") ); //Opening the non-existing file in "w+b" mode, which will be created 51var_dump( file_exists($file) ); //Check for the existance of file 52echo "*** Done ***\n"; 53--CLEAN-- 54<?php 55unlink(dirname(__FILE__)."/007_variation20.tmp"); 56?> 57--EXPECTF-- 58*** Test fopen() & fclose() functions: with 'w+b' mode *** 59resource(%d) of type (stream) 60string(6) "stream" 61int(0) 62int(37) 63int(37) 64string(37) "abcdefghij 65mnopqrst uvwxyz 660123456789" 67int(37) 68bool(true) 69string(7) "Unknown" 70int(37) 71int(0) 72bool(true) 73*** Done *** 74