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--TEST--
Test fopen and fclose() functions - usage variations - "wt" mode
--SKIPIF--
<?php
if( substr(PHP_OS, 0, 3) == "WIN" )
die('skip Do not run on Windows');
?>
--FILE--
<?php
/*
fopen() function:
Prototype: resource fopen(string $filename, string $mode
[, bool $use_include_path [, resource $context]] );
Description: Opens file or URL.
*/
/*
fclose() function:
Prototype: bool fclose ( resource $handle );
Description: Closes an open file pointer
*/
/* Test fopen() and fclose(): Opening the file in "wt" mode,
checking for the file creation, write & read operations,
checking for the file pointer position,
checking for the file truncation when trying to open an existing file in "wt" mode,
and fclose function
*/
$file_path = dirname(__FILE__);
require($file_path."/file.inc");
create_files($file_path, 1, "text_with_new_line", 0755, 20, "wt", "007_variation", 11, "bytes");
$file = $file_path."/007_variation11.tmp";
$string = "abcdefghij\nmnopqrst\tuvwxyz\n0123456789";
echo "*** Test fopen() & fclose() functions: with 'wt' mode ***\n";
$file_handle = fopen($file, "wt"); //opening the file "wt" mode
var_dump($file_handle); //Check for the content of handle
var_dump( get_resource_type($file_handle) ); //Check for the type of resource
var_dump( ftell($file_handle) ); //Initial file pointer position, expected at the beginning of the file
var_dump( fwrite($file_handle, $string) ); //Check for write operation; passes; expected:size of the $string
var_dump( ftell($file_handle) ); //File pointer position after write operation, expected at the end of the file
rewind($file_handle);
var_dump( fread($file_handle, 100) ); //Check for read operation; fails; expected: empty string
var_dump( ftell($file_handle) ); //File pointer position after read operation, expected at the beginning of the file
var_dump( fclose($file_handle) ); //Check for close operation on the file handle
var_dump( get_resource_type($file_handle) ); //Check whether resource is lost after close operation
var_dump( filesize($file) ); //Check for size of existing data file before opening the file in "wt" mode again, expected: size of content
clearstatcache();
fclose( fopen($file, "wt") ); //Opening the existing data file again in "wt" mode
var_dump( filesize($file) ); //Check for size of existing data file after opening the file in "wt" mode again, expected: 0 bytes
clearstatcache();
unlink($file); //Deleting the file
fclose( fopen($file, "wt") ); //Opening the non-existing file in "wt" mode, which will be created
var_dump( file_exists($file) ); //Check for the existence of file
echo "*** Done ***\n";
--CLEAN--
<?php
unlink(dirname(__FILE__)."/007_variation11.tmp");
?>
--EXPECTF--
*** Test fopen() & fclose() functions: with 'wt' mode ***
resource(%d) of type (stream)
string(6) "stream"
int(0)
int(37)
int(37)
string(0) ""
int(0)
bool(true)
string(7) "Unknown"
int(37)
int(0)
bool(true)
*** Done ***