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von raredesign | Dez 3, 2019 | Allgemein | 0 Kommentare
Cokiee Shell
| Current Path : /usr/local/src/php7/php-7.0.5/ext/standard/tests/file/ |
| Current File : //usr/local/src/php7/php-7.0.5/ext/standard/tests/file/fseek_ftell_rewind_variation1.phpt |
--TEST--
Test fseek(), ftell() & rewind() functions : usage variations - all r & a modes, default whence
--FILE--
<?php
/* Prototype: int fseek ( resource $handle, int $offset [, int $whence] );
Description: Seeks on a file pointer
Prototype: bool rewind ( resource $handle );
Description: Rewind the position of a file pointer
Prototype: int ftell ( resource $handle );
Description: Tells file pointer read/write position
*/
// include the file.inc for common functions for test
include ("file.inc");
/* Testing fseek(),ftell(),rewind() functions
1. All read and append modes
2. Testing fseek() without using argument whence
*/
echo "*** Testing fseek(), ftell(), rewind() : default whence & all r and a modes ***\n";
$file_modes = array( "r","rb","rt","r+","r+b","r+t",
"a","ab","at","a+","a+b","a+t");
$file_content_types = array( "text_with_new_line","alphanumeric");
$offset = array(-1, 0, 1, 513); // different offsets, including negative and beyond size
$filename = dirname(__FILE__)."/fseek_ftell_rewind_variation1.tmp"; // this is name of the file created by create_files()
/* open the file using $files_modes and perform fseek(),ftell() and rewind() on it */
foreach($file_content_types as $file_content_type){
echo "\n-- File having data of type ". $file_content_type ." --\n";
foreach($file_modes as $file_mode) {
echo "-- File opened in mode ".$file_mode." --\n";
create_files ( dirname(__FILE__), 1, $file_content_type, 0755, 512, "w", "fseek_ftell_rewind_variation"
,1,"bytes",".tmp"); //create a file with 512 bytes size
$file_handle = fopen($filename, $file_mode);
if (!$file_handle) {
echo "Error: failed to fopen() file: $filename!";
exit();
}
echo "-- Testing fseek() without using argument whence --\n";
foreach($offset as $count){
var_dump( fseek($file_handle, $count) );
var_dump( ftell($file_handle) ); // confirm the file pointer position
var_dump( feof($file_handle) ); //ensure that file pointer is not at end
} //end of offset loop
//close the file and check the size
fclose($file_handle);
var_dump( filesize($filename) );
delete_file($filename); // delete file with name
} //end of file_mode loop
} //end of file_content_types loop
echo "Done\n";
?>
--EXPECTF--
*** Testing fseek(), ftell(), rewind() : default whence & all r and a modes ***
-- File having data of type text_with_new_line --
-- File opened in mode r --
-- Testing fseek() without using argument whence --
int(-1)
int(0)
bool(false)
int(0)
int(0)
bool(false)
int(0)
int(1)
bool(false)
int(0)
int(513)
bool(false)
int(512)
-- File opened in mode rb --
-- Testing fseek() without using argument whence --
int(-1)
int(0)
bool(false)
int(0)
int(0)
bool(false)
int(0)
int(1)
bool(false)
int(0)
int(513)
bool(false)
int(512)
-- File opened in mode rt --
-- Testing fseek() without using argument whence --
int(-1)
int(0)
bool(false)
int(0)
int(0)
bool(false)
int(0)
int(1)
bool(false)
int(0)
int(513)
bool(false)
int(512)
-- File opened in mode r+ --
-- Testing fseek() without using argument whence --
int(-1)
int(0)
bool(false)
int(0)
int(0)
bool(false)
int(0)
int(1)
bool(false)
int(0)
int(513)
bool(false)
int(512)
-- File opened in mode r+b --
-- Testing fseek() without using argument whence --
int(-1)
int(0)
bool(false)
int(0)
int(0)
bool(false)
int(0)
int(1)
bool(false)
int(0)
int(513)
bool(false)
int(512)
-- File opened in mode r+t --
-- Testing fseek() without using argument whence --
int(-1)
int(0)
bool(false)
int(0)
int(0)
bool(false)
int(0)
int(1)
bool(false)
int(0)
int(513)
bool(false)
int(512)
-- File opened in mode a --
-- Testing fseek() without using argument whence --
int(-1)
int(0)
bool(false)
int(0)
int(0)
bool(false)
int(0)
int(1)
bool(false)
int(0)
int(513)
bool(false)
int(512)
-- File opened in mode ab --
-- Testing fseek() without using argument whence --
int(-1)
int(0)
bool(false)
int(0)
int(0)
bool(false)
int(0)
int(1)
bool(false)
int(0)
int(513)
bool(false)
int(512)
-- File opened in mode at --
-- Testing fseek() without using argument whence --
int(-1)
int(0)
bool(false)
int(0)
int(0)
bool(false)
int(0)
int(1)
bool(false)
int(0)
int(513)
bool(false)
int(512)
-- File opened in mode a+ --
-- Testing fseek() without using argument whence --
int(-1)
int(0)
bool(false)
int(0)
int(0)
bool(false)
int(0)
int(1)
bool(false)
int(0)
int(513)
bool(false)
int(512)
-- File opened in mode a+b --
-- Testing fseek() without using argument whence --
int(-1)
int(0)
bool(false)
int(0)
int(0)
bool(false)
int(0)
int(1)
bool(false)
int(0)
int(513)
bool(false)
int(512)
-- File opened in mode a+t --
-- Testing fseek() without using argument whence --
int(-1)
int(0)
bool(false)
int(0)
int(0)
bool(false)
int(0)
int(1)
bool(false)
int(0)
int(513)
bool(false)
int(512)
-- File having data of type alphanumeric --
-- File opened in mode r --
-- Testing fseek() without using argument whence --
int(-1)
int(0)
bool(false)
int(0)
int(0)
bool(false)
int(0)
int(1)
bool(false)
int(0)
int(513)
bool(false)
int(512)
-- File opened in mode rb --
-- Testing fseek() without using argument whence --
int(-1)
int(0)
bool(false)
int(0)
int(0)
bool(false)
int(0)
int(1)
bool(false)
int(0)
int(513)
bool(false)
int(512)
-- File opened in mode rt --
-- Testing fseek() without using argument whence --
int(-1)
int(0)
bool(false)
int(0)
int(0)
bool(false)
int(0)
int(1)
bool(false)
int(0)
int(513)
bool(false)
int(512)
-- File opened in mode r+ --
-- Testing fseek() without using argument whence --
int(-1)
int(0)
bool(false)
int(0)
int(0)
bool(false)
int(0)
int(1)
bool(false)
int(0)
int(513)
bool(false)
int(512)
-- File opened in mode r+b --
-- Testing fseek() without using argument whence --
int(-1)
int(0)
bool(false)
int(0)
int(0)
bool(false)
int(0)
int(1)
bool(false)
int(0)
int(513)
bool(false)
int(512)
-- File opened in mode r+t --
-- Testing fseek() without using argument whence --
int(-1)
int(0)
bool(false)
int(0)
int(0)
bool(false)
int(0)
int(1)
bool(false)
int(0)
int(513)
bool(false)
int(512)
-- File opened in mode a --
-- Testing fseek() without using argument whence --
int(-1)
int(0)
bool(false)
int(0)
int(0)
bool(false)
int(0)
int(1)
bool(false)
int(0)
int(513)
bool(false)
int(512)
-- File opened in mode ab --
-- Testing fseek() without using argument whence --
int(-1)
int(0)
bool(false)
int(0)
int(0)
bool(false)
int(0)
int(1)
bool(false)
int(0)
int(513)
bool(false)
int(512)
-- File opened in mode at --
-- Testing fseek() without using argument whence --
int(-1)
int(0)
bool(false)
int(0)
int(0)
bool(false)
int(0)
int(1)
bool(false)
int(0)
int(513)
bool(false)
int(512)
-- File opened in mode a+ --
-- Testing fseek() without using argument whence --
int(-1)
int(0)
bool(false)
int(0)
int(0)
bool(false)
int(0)
int(1)
bool(false)
int(0)
int(513)
bool(false)
int(512)
-- File opened in mode a+b --
-- Testing fseek() without using argument whence --
int(-1)
int(0)
bool(false)
int(0)
int(0)
bool(false)
int(0)
int(1)
bool(false)
int(0)
int(513)
bool(false)
int(512)
-- File opened in mode a+t --
-- Testing fseek() without using argument whence --
int(-1)
int(0)
bool(false)
int(0)
int(0)
bool(false)
int(0)
int(1)
bool(false)
int(0)
int(513)
bool(false)
int(512)
Done
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