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--TEST--
Test fgets() function : usage variations - read with/without length
--FILE--
<?php
/*
Prototype: string fgets ( resource $handle [, int $length] );
Description: Gets a line from file pointer
*/
// include the file.inc for common test funcitons
include ("file.inc");
$file_modes = array("w+", "w+b", "w+t",
"a+", "a+b", "a+t",
"x+", "x+b", "x+t");
$file_content_types = array("numeric", "text", "text_with_new_line", "alphanumeric");
echo "*** Testing fgets() : usage variations ***\n";
$filename = dirname(__FILE__)."/fgets_variation3.tmp";
foreach($file_modes as $file_mode) {
echo "\n-- Testing fgets() with file opened using mode $file_mode --\n";
foreach($file_content_types as $file_content_type) {
echo "-- File content type : $file_content_type --\n";
/* create files with $file_content_type */
$file_handle = fopen($filename, $file_mode);
$data = fill_file($file_handle, $file_content_type, 50);
if ( !$file_handle ) {
echo "Error: failed to open file $filename!";
exit();
}
echo "-- fgets() with default length, file pointer at 0 --\n";
// get the file pointer to beginning of the file
rewind($file_handle);
var_dump( ftell($file_handle) );
var_dump( fgets($file_handle) ); // with default length
var_dump( ftell($file_handle) ); // ensure the file pointer position
var_dump( feof($file_handle) ); // enusre if eof set
echo "-- fgets() with length = 23, Expected: 22 chars, file pointer at 0 --\n";
// get the file pointer to beginning of the file
rewind($file_handle);
var_dump( ftell($file_handle) );
var_dump( fgets($file_handle, 23) ); // expected: 22 chars
var_dump( ftell($file_handle) ); // ensure the file pointer position
var_dump( feof($file_handle) ); // enusre if eof set
//close file
fclose($file_handle);
// delete file
delete_file($filename);
} // file_content_type loop
} // file_mode loop
echo "Done\n";
?>
--EXPECTF--
*** Testing fgets() : usage variations ***
-- Testing fgets() with file opened using mode w+ --
-- File content type : numeric --
-- fgets() with default length, file pointer at 0 --
int(0)
string(50) "22222222222222222222222222222222222222222222222222"
int(50)
bool(true)
-- fgets() with length = 23, Expected: 22 chars, file pointer at 0 --
int(0)
string(22) "2222222222222222222222"
int(22)
bool(false)
-- File content type : text --
-- fgets() with default length, file pointer at 0 --
int(0)
string(50) "text text text text text text text text text text "
int(50)
bool(true)
-- fgets() with length = 23, Expected: 22 chars, file pointer at 0 --
int(0)
string(22) "text text text text te"
int(22)
bool(false)
-- File content type : text_with_new_line --
-- fgets() with default length, file pointer at 0 --
int(0)
string(5) "line
"
int(5)
bool(false)
-- fgets() with length = 23, Expected: 22 chars, file pointer at 0 --
int(0)
string(5) "line
"
int(5)
bool(false)
-- File content type : alphanumeric --
-- fgets() with default length, file pointer at 0 --
int(0)
string(50) "ab12 ab12 ab12 ab12 ab12 ab12 ab12 ab12 ab12 ab12 "
int(50)
bool(true)
-- fgets() with length = 23, Expected: 22 chars, file pointer at 0 --
int(0)
string(22) "ab12 ab12 ab12 ab12 ab"
int(22)
bool(false)
-- Testing fgets() with file opened using mode w+b --
-- File content type : numeric --
-- fgets() with default length, file pointer at 0 --
int(0)
string(50) "22222222222222222222222222222222222222222222222222"
int(50)
bool(true)
-- fgets() with length = 23, Expected: 22 chars, file pointer at 0 --
int(0)
string(22) "2222222222222222222222"
int(22)
bool(false)
-- File content type : text --
-- fgets() with default length, file pointer at 0 --
int(0)
string(50) "text text text text text text text text text text "
int(50)
bool(true)
-- fgets() with length = 23, Expected: 22 chars, file pointer at 0 --
int(0)
string(22) "text text text text te"
int(22)
bool(false)
-- File content type : text_with_new_line --
-- fgets() with default length, file pointer at 0 --
int(0)
string(5) "line
"
int(5)
bool(false)
-- fgets() with length = 23, Expected: 22 chars, file pointer at 0 --
int(0)
string(5) "line
"
int(5)
bool(false)
-- File content type : alphanumeric --
-- fgets() with default length, file pointer at 0 --
int(0)
string(50) "ab12 ab12 ab12 ab12 ab12 ab12 ab12 ab12 ab12 ab12 "
int(50)
bool(true)
-- fgets() with length = 23, Expected: 22 chars, file pointer at 0 --
int(0)
string(22) "ab12 ab12 ab12 ab12 ab"
int(22)
bool(false)
-- Testing fgets() with file opened using mode w+t --
-- File content type : numeric --
-- fgets() with default length, file pointer at 0 --
int(0)
string(50) "22222222222222222222222222222222222222222222222222"
int(50)
bool(true)
-- fgets() with length = 23, Expected: 22 chars, file pointer at 0 --
int(0)
string(22) "2222222222222222222222"
int(22)
bool(false)
-- File content type : text --
-- fgets() with default length, file pointer at 0 --
int(0)
string(50) "text text text text text text text text text text "
int(50)
bool(true)
-- fgets() with length = 23, Expected: 22 chars, file pointer at 0 --
int(0)
string(22) "text text text text te"
int(22)
bool(false)
-- File content type : text_with_new_line --
-- fgets() with default length, file pointer at 0 --
int(0)
string(5) "line
"
int(5)
bool(false)
-- fgets() with length = 23, Expected: 22 chars, file pointer at 0 --
int(0)
string(5) "line
"
int(5)
bool(false)
-- File content type : alphanumeric --
-- fgets() with default length, file pointer at 0 --
int(0)
string(50) "ab12 ab12 ab12 ab12 ab12 ab12 ab12 ab12 ab12 ab12 "
int(50)
bool(true)
-- fgets() with length = 23, Expected: 22 chars, file pointer at 0 --
int(0)
string(22) "ab12 ab12 ab12 ab12 ab"
int(22)
bool(false)
-- Testing fgets() with file opened using mode a+ --
-- File content type : numeric --
-- fgets() with default length, file pointer at 0 --
int(0)
string(50) "22222222222222222222222222222222222222222222222222"
int(50)
bool(true)
-- fgets() with length = 23, Expected: 22 chars, file pointer at 0 --
int(0)
string(22) "2222222222222222222222"
int(22)
bool(false)
-- File content type : text --
-- fgets() with default length, file pointer at 0 --
int(0)
string(50) "text text text text text text text text text text "
int(50)
bool(true)
-- fgets() with length = 23, Expected: 22 chars, file pointer at 0 --
int(0)
string(22) "text text text text te"
int(22)
bool(false)
-- File content type : text_with_new_line --
-- fgets() with default length, file pointer at 0 --
int(0)
string(5) "line
"
int(5)
bool(false)
-- fgets() with length = 23, Expected: 22 chars, file pointer at 0 --
int(0)
string(5) "line
"
int(5)
bool(false)
-- File content type : alphanumeric --
-- fgets() with default length, file pointer at 0 --
int(0)
string(50) "ab12 ab12 ab12 ab12 ab12 ab12 ab12 ab12 ab12 ab12 "
int(50)
bool(true)
-- fgets() with length = 23, Expected: 22 chars, file pointer at 0 --
int(0)
string(22) "ab12 ab12 ab12 ab12 ab"
int(22)
bool(false)
-- Testing fgets() with file opened using mode a+b --
-- File content type : numeric --
-- fgets() with default length, file pointer at 0 --
int(0)
string(50) "22222222222222222222222222222222222222222222222222"
int(50)
bool(true)
-- fgets() with length = 23, Expected: 22 chars, file pointer at 0 --
int(0)
string(22) "2222222222222222222222"
int(22)
bool(false)
-- File content type : text --
-- fgets() with default length, file pointer at 0 --
int(0)
string(50) "text text text text text text text text text text "
int(50)
bool(true)
-- fgets() with length = 23, Expected: 22 chars, file pointer at 0 --
int(0)
string(22) "text text text text te"
int(22)
bool(false)
-- File content type : text_with_new_line --
-- fgets() with default length, file pointer at 0 --
int(0)
string(5) "line
"
int(5)
bool(false)
-- fgets() with length = 23, Expected: 22 chars, file pointer at 0 --
int(0)
string(5) "line
"
int(5)
bool(false)
-- File content type : alphanumeric --
-- fgets() with default length, file pointer at 0 --
int(0)
string(50) "ab12 ab12 ab12 ab12 ab12 ab12 ab12 ab12 ab12 ab12 "
int(50)
bool(true)
-- fgets() with length = 23, Expected: 22 chars, file pointer at 0 --
int(0)
string(22) "ab12 ab12 ab12 ab12 ab"
int(22)
bool(false)
-- Testing fgets() with file opened using mode a+t --
-- File content type : numeric --
-- fgets() with default length, file pointer at 0 --
int(0)
string(50) "22222222222222222222222222222222222222222222222222"
int(50)
bool(true)
-- fgets() with length = 23, Expected: 22 chars, file pointer at 0 --
int(0)
string(22) "2222222222222222222222"
int(22)
bool(false)
-- File content type : text --
-- fgets() with default length, file pointer at 0 --
int(0)
string(50) "text text text text text text text text text text "
int(50)
bool(true)
-- fgets() with length = 23, Expected: 22 chars, file pointer at 0 --
int(0)
string(22) "text text text text te"
int(22)
bool(false)
-- File content type : text_with_new_line --
-- fgets() with default length, file pointer at 0 --
int(0)
string(5) "line
"
int(5)
bool(false)
-- fgets() with length = 23, Expected: 22 chars, file pointer at 0 --
int(0)
string(5) "line
"
int(5)
bool(false)
-- File content type : alphanumeric --
-- fgets() with default length, file pointer at 0 --
int(0)
string(50) "ab12 ab12 ab12 ab12 ab12 ab12 ab12 ab12 ab12 ab12 "
int(50)
bool(true)
-- fgets() with length = 23, Expected: 22 chars, file pointer at 0 --
int(0)
string(22) "ab12 ab12 ab12 ab12 ab"
int(22)
bool(false)
-- Testing fgets() with file opened using mode x+ --
-- File content type : numeric --
-- fgets() with default length, file pointer at 0 --
int(0)
string(50) "22222222222222222222222222222222222222222222222222"
int(50)
bool(true)
-- fgets() with length = 23, Expected: 22 chars, file pointer at 0 --
int(0)
string(22) "2222222222222222222222"
int(22)
bool(false)
-- File content type : text --
-- fgets() with default length, file pointer at 0 --
int(0)
string(50) "text text text text text text text text text text "
int(50)
bool(true)
-- fgets() with length = 23, Expected: 22 chars, file pointer at 0 --
int(0)
string(22) "text text text text te"
int(22)
bool(false)
-- File content type : text_with_new_line --
-- fgets() with default length, file pointer at 0 --
int(0)
string(5) "line
"
int(5)
bool(false)
-- fgets() with length = 23, Expected: 22 chars, file pointer at 0 --
int(0)
string(5) "line
"
int(5)
bool(false)
-- File content type : alphanumeric --
-- fgets() with default length, file pointer at 0 --
int(0)
string(50) "ab12 ab12 ab12 ab12 ab12 ab12 ab12 ab12 ab12 ab12 "
int(50)
bool(true)
-- fgets() with length = 23, Expected: 22 chars, file pointer at 0 --
int(0)
string(22) "ab12 ab12 ab12 ab12 ab"
int(22)
bool(false)
-- Testing fgets() with file opened using mode x+b --
-- File content type : numeric --
-- fgets() with default length, file pointer at 0 --
int(0)
string(50) "22222222222222222222222222222222222222222222222222"
int(50)
bool(true)
-- fgets() with length = 23, Expected: 22 chars, file pointer at 0 --
int(0)
string(22) "2222222222222222222222"
int(22)
bool(false)
-- File content type : text --
-- fgets() with default length, file pointer at 0 --
int(0)
string(50) "text text text text text text text text text text "
int(50)
bool(true)
-- fgets() with length = 23, Expected: 22 chars, file pointer at 0 --
int(0)
string(22) "text text text text te"
int(22)
bool(false)
-- File content type : text_with_new_line --
-- fgets() with default length, file pointer at 0 --
int(0)
string(5) "line
"
int(5)
bool(false)
-- fgets() with length = 23, Expected: 22 chars, file pointer at 0 --
int(0)
string(5) "line
"
int(5)
bool(false)
-- File content type : alphanumeric --
-- fgets() with default length, file pointer at 0 --
int(0)
string(50) "ab12 ab12 ab12 ab12 ab12 ab12 ab12 ab12 ab12 ab12 "
int(50)
bool(true)
-- fgets() with length = 23, Expected: 22 chars, file pointer at 0 --
int(0)
string(22) "ab12 ab12 ab12 ab12 ab"
int(22)
bool(false)
-- Testing fgets() with file opened using mode x+t --
-- File content type : numeric --
-- fgets() with default length, file pointer at 0 --
int(0)
string(50) "22222222222222222222222222222222222222222222222222"
int(50)
bool(true)
-- fgets() with length = 23, Expected: 22 chars, file pointer at 0 --
int(0)
string(22) "2222222222222222222222"
int(22)
bool(false)
-- File content type : text --
-- fgets() with default length, file pointer at 0 --
int(0)
string(50) "text text text text text text text text text text "
int(50)
bool(true)
-- fgets() with length = 23, Expected: 22 chars, file pointer at 0 --
int(0)
string(22) "text text text text te"
int(22)
bool(false)
-- File content type : text_with_new_line --
-- fgets() with default length, file pointer at 0 --
int(0)
string(5) "line
"
int(5)
bool(false)
-- fgets() with length = 23, Expected: 22 chars, file pointer at 0 --
int(0)
string(5) "line
"
int(5)
bool(false)
-- File content type : alphanumeric --
-- fgets() with default length, file pointer at 0 --
int(0)
string(50) "ab12 ab12 ab12 ab12 ab12 ab12 ab12 ab12 ab12 ab12 "
int(50)
bool(true)
-- fgets() with length = 23, Expected: 22 chars, file pointer at 0 --
int(0)
string(22) "ab12 ab12 ab12 ab12 ab"
int(22)
bool(false)
Done