1--TEST-- 2Test fopen and fclose() functions - usage variations - "wt" mode 3--SKIPIF-- 4<?php 5if( substr(PHP_OS, 0, 3) != "WIN" ) 6 die('skip Run only on Windows'); 7?> 8--FILE-- 9<?php 10/* 11 fopen() function: 12 Prototype: resource fopen(string $filename, string $mode 13 [, bool $use_include_path [, resource $context]] ); 14 Description: Opens file or URL. 15*/ 16/* 17 fclose() function: 18 Prototype: bool fclose ( resource $handle ); 19 Description: Closes an open file pointer 20*/ 21 22/* Test fopen() and fclose(): Opening the file in "wt" mode, 23 checking for the file creation, write & read operations, 24 checking for the file pointer position, 25 checking for the file truncation when trying to open an existing file in "wt" mode, 26 and fclose function 27*/ 28$file_path = dirname(__FILE__); 29require($file_path."/file.inc"); 30 31create_files($file_path, 1, "text_with_new_line", 0755, 20, "wt", "007_variation_私はガラスを食べられます", 11, "bytes"); 32$file = $file_path."/007_variation_私はガラスを食べられます11.tmp"; 33$string = "abcdefghij\nmnopqrst\tuvwxyz\n0123456789"; 34 35echo "*** Test fopen() & fclose() functions: with 'wt' mode ***\n"; 36$file_handle = fopen($file, "wt"); //opening the file "wt" mode 37var_dump($file_handle); //Check for the content of handle 38var_dump( get_resource_type($file_handle) ); //Check for the type of resource 39var_dump( ftell($file_handle) ); //Initial file pointer position, expected at the beginning of the file 40var_dump( fwrite($file_handle, $string) ); //Check for write operation; passes; expected:size of the $string 41var_dump( ftell($file_handle) ); //File pointer position after write operation, expected at the end of the file 42rewind($file_handle); 43var_dump( fread($file_handle, 100) ); //Check for read operation; fails; expected: empty string 44var_dump( ftell($file_handle) ); //File pointer position after read operation, expected at the beginning of the file 45var_dump( fclose($file_handle) ); //Check for close operation on the file handle 46var_dump( get_resource_type($file_handle) ); //Check whether resource is lost after close operation 47 48var_dump( filesize($file) ); //Check for size of existing data file before opening the file in "wt" mode again, expected: size of content 49clearstatcache(); 50fclose( fopen($file, "wt") ); //Opening the existing data file again in "wt" mode 51var_dump( filesize($file) ); //Check for size of existing data file after opening the file in "wt" mode again, expected: 0 bytes 52clearstatcache(); 53 54unlink($file); //Deleting the file 55fclose( fopen($file, "wt") ); //Opening the non-existing file in "wt" mode, which will be created 56var_dump( file_exists($file) ); //Check for the existence of file 57echo "*** Done ***\n"; 58--CLEAN-- 59<?php 60$file_path = dirname(__FILE__); 61$file = $file_path."/007_variation_私はガラスを食べられます11.tmp"; 62unlink($file); 63?> 64--EXPECTF-- 65*** Test fopen() & fclose() functions: with 'wt' mode *** 66resource(%d) of type (stream) 67string(6) "stream" 68int(0) 69int(37) 70int(37) 71string(0) "" 72int(0) 73bool(true) 74string(7) "Unknown" 75int(39) 76int(0) 77bool(true) 78*** Done *** 79