fscanf_variation55.phpt [plain text]
--TEST--
Test fscanf() function: usage variations - tracking file pointer while reading
--FILE--
<?php
/*
Prototype: mixed fscanf ( resource $handle, string $format [, mixed &$...] );
Description: Parses input from a file according to a format
*/
/*
Test fscanf() to scan data using different format types and also
tracking the file pointer movement along with reading
*/
$file_path = dirname(__FILE__);
echo "*** Test fscanf(): tracking file pointer along with reading data from file ***\n";
// create a file
$filename = "$file_path/fscanf_variation55.tmp";
$file_handle = fopen($filename, "w");
if($file_handle == false)
exit("Error:failed to open file $filename");
// different valid data
$valid_data = array(
12345, // integer value
-12345,
123.45, // float value
-123.45,
0x123B, // hexadecimal value
0x12ab,
0123, // octal value
-0123,
"abcde", // string
'abcde',
10e3, // exponential value
10e-3
);
// various formats
$int_formats = array( "%d", "%f", "%s", "%o", "%x", "%u", "%c", "%e");
$counter = 1;
// writing to the file
foreach($valid_data as $data) {
fprintf($file_handle, $data);
fprintf($file_handle, "\n");
}
// closing the file
fclose($file_handle);
$modes = array("r", "rb", "rt");
foreach($modes as $mode) {
echo "\n*** File opened in $mode mode ***\n";
// opening the file for reading
$file_handle = fopen($filename, $mode);
if($file_handle == false) {
exit("Error:failed to open file $filename");
}
$counter = 1;
// reading different data from file using different formats
foreach($int_formats as $int_format) {
// current file pointer position
var_dump( ftell($file_handle) );
// rewind the file so that for every foreach iteration the file pointer starts from bof
rewind($file_handle);
// current file pointer position after rewind operation
var_dump( ftell($file_handle) );
echo "\n-- iteration $counter --\n";
while( !feof($file_handle) ) {
var_dump( ftell($file_handle) );
var_dump( fscanf($file_handle,$int_format) );
}
$counter++;
} // end of inner for loop
} // end of outer for loop
echo "\n*** Done ***";
?>
--CLEAN--
<?php
$file_path = dirname(__FILE__);
$filename = "$file_path/fscanf_variation55.tmp";
unlink($filename);
?>
--EXPECTF--
*** Test fscanf(): tracking file pointer along with reading data from file ***
*** File opened in r mode ***
int(0)
int(0)
-- iteration 1 --
int(0)
array(1) {
[0]=>
int(12345)
}
int(6)
array(1) {
[0]=>
int(-12345)
}
int(13)
array(1) {
[0]=>
int(123)
}
int(20)
array(1) {
[0]=>
int(-123)
}
int(28)
array(1) {
[0]=>
int(4667)
}
int(33)
array(1) {
[0]=>
int(4779)
}
int(38)
array(1) {
[0]=>
int(83)
}
int(41)
array(1) {
[0]=>
int(-83)
}
int(45)
array(1) {
[0]=>
NULL
}
int(51)
array(1) {
[0]=>
NULL
}
int(57)
array(1) {
[0]=>
int(10000)
}
int(63)
array(1) {
[0]=>
int(0)
}
int(68)
bool(false)
int(68)
int(0)
-- iteration 2 --
int(0)
array(1) {
[0]=>
float(12345)
}
int(6)
array(1) {
[0]=>
float(-12345)
}
int(13)
array(1) {
[0]=>
float(123.45)
}
int(20)
array(1) {
[0]=>
float(-123.45)
}
int(28)
array(1) {
[0]=>
float(4667)
}
int(33)
array(1) {
[0]=>
float(4779)
}
int(38)
array(1) {
[0]=>
float(83)
}
int(41)
array(1) {
[0]=>
float(-83)
}
int(45)
array(1) {
[0]=>
NULL
}
int(51)
array(1) {
[0]=>
NULL
}
int(57)
array(1) {
[0]=>
float(10000)
}
int(63)
array(1) {
[0]=>
float(0.01)
}
int(68)
bool(false)
int(68)
int(0)
-- iteration 3 --
int(0)
array(1) {
[0]=>
string(5) "12345"
}
int(6)
array(1) {
[0]=>
string(6) "-12345"
}
int(13)
array(1) {
[0]=>
string(6) "123.45"
}
int(20)
array(1) {
[0]=>
string(7) "-123.45"
}
int(28)
array(1) {
[0]=>
string(4) "4667"
}
int(33)
array(1) {
[0]=>
string(4) "4779"
}
int(38)
array(1) {
[0]=>
string(2) "83"
}
int(41)
array(1) {
[0]=>
string(3) "-83"
}
int(45)
array(1) {
[0]=>
string(5) "abcde"
}
int(51)
array(1) {
[0]=>
string(5) "abcde"
}
int(57)
array(1) {
[0]=>
string(5) "10000"
}
int(63)
array(1) {
[0]=>
string(4) "0.01"
}
int(68)
bool(false)
int(68)
int(0)
-- iteration 4 --
int(0)
array(1) {
[0]=>
int(5349)
}
int(6)
array(1) {
[0]=>
int(-5349)
}
int(13)
array(1) {
[0]=>
int(83)
}
int(20)
array(1) {
[0]=>
int(-83)
}
int(28)
array(1) {
[0]=>
int(2487)
}
int(33)
array(1) {
[0]=>
int(319)
}
int(38)
array(1) {
[0]=>
NULL
}
int(41)
array(1) {
[0]=>
NULL
}
int(45)
array(1) {
[0]=>
NULL
}
int(51)
array(1) {
[0]=>
NULL
}
int(57)
array(1) {
[0]=>
int(4096)
}
int(63)
array(1) {
[0]=>
int(0)
}
int(68)
bool(false)
int(68)
int(0)
-- iteration 5 --
int(0)
array(1) {
[0]=>
int(74565)
}
int(6)
array(1) {
[0]=>
int(-74565)
}
int(13)
array(1) {
[0]=>
int(291)
}
int(20)
array(1) {
[0]=>
int(-291)
}
int(28)
array(1) {
[0]=>
int(18023)
}
int(33)
array(1) {
[0]=>
int(18297)
}
int(38)
array(1) {
[0]=>
int(131)
}
int(41)
array(1) {
[0]=>
int(-131)
}
int(45)
array(1) {
[0]=>
int(703710)
}
int(51)
array(1) {
[0]=>
int(703710)
}
int(57)
array(1) {
[0]=>
int(65536)
}
int(63)
array(1) {
[0]=>
int(0)
}
int(68)
bool(false)
int(68)
int(0)
-- iteration 6 --
int(0)
array(1) {
[0]=>
int(12345)
}
int(6)
array(1) {
[0]=>
string(10) "4294954951"
}
int(13)
array(1) {
[0]=>
int(123)
}
int(20)
array(1) {
[0]=>
string(10) "4294967173"
}
int(28)
array(1) {
[0]=>
int(4667)
}
int(33)
array(1) {
[0]=>
int(4779)
}
int(38)
array(1) {
[0]=>
int(83)
}
int(41)
array(1) {
[0]=>
string(10) "4294967213"
}
int(45)
array(1) {
[0]=>
NULL
}
int(51)
array(1) {
[0]=>
NULL
}
int(57)
array(1) {
[0]=>
int(10000)
}
int(63)
array(1) {
[0]=>
int(0)
}
int(68)
bool(false)
int(68)
int(0)
-- iteration 7 --
int(0)
array(1) {
[0]=>
string(1) "1"
}
int(6)
array(1) {
[0]=>
string(1) "-"
}
int(13)
array(1) {
[0]=>
string(1) "1"
}
int(20)
array(1) {
[0]=>
string(1) "-"
}
int(28)
array(1) {
[0]=>
string(1) "4"
}
int(33)
array(1) {
[0]=>
string(1) "4"
}
int(38)
array(1) {
[0]=>
string(1) "8"
}
int(41)
array(1) {
[0]=>
string(1) "-"
}
int(45)
array(1) {
[0]=>
string(1) "a"
}
int(51)
array(1) {
[0]=>
string(1) "a"
}
int(57)
array(1) {
[0]=>
string(1) "1"
}
int(63)
array(1) {
[0]=>
string(1) "0"
}
int(68)
bool(false)
int(68)
int(0)
-- iteration 8 --
int(0)
array(1) {
[0]=>
float(12345)
}
int(6)
array(1) {
[0]=>
float(-12345)
}
int(13)
array(1) {
[0]=>
float(123.45)
}
int(20)
array(1) {
[0]=>
float(-123.45)
}
int(28)
array(1) {
[0]=>
float(4667)
}
int(33)
array(1) {
[0]=>
float(4779)
}
int(38)
array(1) {
[0]=>
float(83)
}
int(41)
array(1) {
[0]=>
float(-83)
}
int(45)
array(1) {
[0]=>
NULL
}
int(51)
array(1) {
[0]=>
NULL
}
int(57)
array(1) {
[0]=>
float(10000)
}
int(63)
array(1) {
[0]=>
float(0.01)
}
int(68)
bool(false)
*** File opened in rb mode ***
int(0)
int(0)
-- iteration 1 --
int(0)
array(1) {
[0]=>
int(12345)
}
int(6)
array(1) {
[0]=>
int(-12345)
}
int(13)
array(1) {
[0]=>
int(123)
}
int(20)
array(1) {
[0]=>
int(-123)
}
int(28)
array(1) {
[0]=>
int(4667)
}
int(33)
array(1) {
[0]=>
int(4779)
}
int(38)
array(1) {
[0]=>
int(83)
}
int(41)
array(1) {
[0]=>
int(-83)
}
int(45)
array(1) {
[0]=>
NULL
}
int(51)
array(1) {
[0]=>
NULL
}
int(57)
array(1) {
[0]=>
int(10000)
}
int(63)
array(1) {
[0]=>
int(0)
}
int(68)
bool(false)
int(68)
int(0)
-- iteration 2 --
int(0)
array(1) {
[0]=>
float(12345)
}
int(6)
array(1) {
[0]=>
float(-12345)
}
int(13)
array(1) {
[0]=>
float(123.45)
}
int(20)
array(1) {
[0]=>
float(-123.45)
}
int(28)
array(1) {
[0]=>
float(4667)
}
int(33)
array(1) {
[0]=>
float(4779)
}
int(38)
array(1) {
[0]=>
float(83)
}
int(41)
array(1) {
[0]=>
float(-83)
}
int(45)
array(1) {
[0]=>
NULL
}
int(51)
array(1) {
[0]=>
NULL
}
int(57)
array(1) {
[0]=>
float(10000)
}
int(63)
array(1) {
[0]=>
float(0.01)
}
int(68)
bool(false)
int(68)
int(0)
-- iteration 3 --
int(0)
array(1) {
[0]=>
string(5) "12345"
}
int(6)
array(1) {
[0]=>
string(6) "-12345"
}
int(13)
array(1) {
[0]=>
string(6) "123.45"
}
int(20)
array(1) {
[0]=>
string(7) "-123.45"
}
int(28)
array(1) {
[0]=>
string(4) "4667"
}
int(33)
array(1) {
[0]=>
string(4) "4779"
}
int(38)
array(1) {
[0]=>
string(2) "83"
}
int(41)
array(1) {
[0]=>
string(3) "-83"
}
int(45)
array(1) {
[0]=>
string(5) "abcde"
}
int(51)
array(1) {
[0]=>
string(5) "abcde"
}
int(57)
array(1) {
[0]=>
string(5) "10000"
}
int(63)
array(1) {
[0]=>
string(4) "0.01"
}
int(68)
bool(false)
int(68)
int(0)
-- iteration 4 --
int(0)
array(1) {
[0]=>
int(5349)
}
int(6)
array(1) {
[0]=>
int(-5349)
}
int(13)
array(1) {
[0]=>
int(83)
}
int(20)
array(1) {
[0]=>
int(-83)
}
int(28)
array(1) {
[0]=>
int(2487)
}
int(33)
array(1) {
[0]=>
int(319)
}
int(38)
array(1) {
[0]=>
NULL
}
int(41)
array(1) {
[0]=>
NULL
}
int(45)
array(1) {
[0]=>
NULL
}
int(51)
array(1) {
[0]=>
NULL
}
int(57)
array(1) {
[0]=>
int(4096)
}
int(63)
array(1) {
[0]=>
int(0)
}
int(68)
bool(false)
int(68)
int(0)
-- iteration 5 --
int(0)
array(1) {
[0]=>
int(74565)
}
int(6)
array(1) {
[0]=>
int(-74565)
}
int(13)
array(1) {
[0]=>
int(291)
}
int(20)
array(1) {
[0]=>
int(-291)
}
int(28)
array(1) {
[0]=>
int(18023)
}
int(33)
array(1) {
[0]=>
int(18297)
}
int(38)
array(1) {
[0]=>
int(131)
}
int(41)
array(1) {
[0]=>
int(-131)
}
int(45)
array(1) {
[0]=>
int(703710)
}
int(51)
array(1) {
[0]=>
int(703710)
}
int(57)
array(1) {
[0]=>
int(65536)
}
int(63)
array(1) {
[0]=>
int(0)
}
int(68)
bool(false)
int(68)
int(0)
-- iteration 6 --
int(0)
array(1) {
[0]=>
int(12345)
}
int(6)
array(1) {
[0]=>
string(10) "4294954951"
}
int(13)
array(1) {
[0]=>
int(123)
}
int(20)
array(1) {
[0]=>
string(10) "4294967173"
}
int(28)
array(1) {
[0]=>
int(4667)
}
int(33)
array(1) {
[0]=>
int(4779)
}
int(38)
array(1) {
[0]=>
int(83)
}
int(41)
array(1) {
[0]=>
string(10) "4294967213"
}
int(45)
array(1) {
[0]=>
NULL
}
int(51)
array(1) {
[0]=>
NULL
}
int(57)
array(1) {
[0]=>
int(10000)
}
int(63)
array(1) {
[0]=>
int(0)
}
int(68)
bool(false)
int(68)
int(0)
-- iteration 7 --
int(0)
array(1) {
[0]=>
string(1) "1"
}
int(6)
array(1) {
[0]=>
string(1) "-"
}
int(13)
array(1) {
[0]=>
string(1) "1"
}
int(20)
array(1) {
[0]=>
string(1) "-"
}
int(28)
array(1) {
[0]=>
string(1) "4"
}
int(33)
array(1) {
[0]=>
string(1) "4"
}
int(38)
array(1) {
[0]=>
string(1) "8"
}
int(41)
array(1) {
[0]=>
string(1) "-"
}
int(45)
array(1) {
[0]=>
string(1) "a"
}
int(51)
array(1) {
[0]=>
string(1) "a"
}
int(57)
array(1) {
[0]=>
string(1) "1"
}
int(63)
array(1) {
[0]=>
string(1) "0"
}
int(68)
bool(false)
int(68)
int(0)
-- iteration 8 --
int(0)
array(1) {
[0]=>
float(12345)
}
int(6)
array(1) {
[0]=>
float(-12345)
}
int(13)
array(1) {
[0]=>
float(123.45)
}
int(20)
array(1) {
[0]=>
float(-123.45)
}
int(28)
array(1) {
[0]=>
float(4667)
}
int(33)
array(1) {
[0]=>
float(4779)
}
int(38)
array(1) {
[0]=>
float(83)
}
int(41)
array(1) {
[0]=>
float(-83)
}
int(45)
array(1) {
[0]=>
NULL
}
int(51)
array(1) {
[0]=>
NULL
}
int(57)
array(1) {
[0]=>
float(10000)
}
int(63)
array(1) {
[0]=>
float(0.01)
}
int(68)
bool(false)
*** File opened in rt mode ***
int(0)
int(0)
-- iteration 1 --
int(0)
array(1) {
[0]=>
int(12345)
}
int(6)
array(1) {
[0]=>
int(-12345)
}
int(13)
array(1) {
[0]=>
int(123)
}
int(20)
array(1) {
[0]=>
int(-123)
}
int(28)
array(1) {
[0]=>
int(4667)
}
int(33)
array(1) {
[0]=>
int(4779)
}
int(38)
array(1) {
[0]=>
int(83)
}
int(41)
array(1) {
[0]=>
int(-83)
}
int(45)
array(1) {
[0]=>
NULL
}
int(51)
array(1) {
[0]=>
NULL
}
int(57)
array(1) {
[0]=>
int(10000)
}
int(63)
array(1) {
[0]=>
int(0)
}
int(68)
bool(false)
int(68)
int(0)
-- iteration 2 --
int(0)
array(1) {
[0]=>
float(12345)
}
int(6)
array(1) {
[0]=>
float(-12345)
}
int(13)
array(1) {
[0]=>
float(123.45)
}
int(20)
array(1) {
[0]=>
float(-123.45)
}
int(28)
array(1) {
[0]=>
float(4667)
}
int(33)
array(1) {
[0]=>
float(4779)
}
int(38)
array(1) {
[0]=>
float(83)
}
int(41)
array(1) {
[0]=>
float(-83)
}
int(45)
array(1) {
[0]=>
NULL
}
int(51)
array(1) {
[0]=>
NULL
}
int(57)
array(1) {
[0]=>
float(10000)
}
int(63)
array(1) {
[0]=>
float(0.01)
}
int(68)
bool(false)
int(68)
int(0)
-- iteration 3 --
int(0)
array(1) {
[0]=>
string(5) "12345"
}
int(6)
array(1) {
[0]=>
string(6) "-12345"
}
int(13)
array(1) {
[0]=>
string(6) "123.45"
}
int(20)
array(1) {
[0]=>
string(7) "-123.45"
}
int(28)
array(1) {
[0]=>
string(4) "4667"
}
int(33)
array(1) {
[0]=>
string(4) "4779"
}
int(38)
array(1) {
[0]=>
string(2) "83"
}
int(41)
array(1) {
[0]=>
string(3) "-83"
}
int(45)
array(1) {
[0]=>
string(5) "abcde"
}
int(51)
array(1) {
[0]=>
string(5) "abcde"
}
int(57)
array(1) {
[0]=>
string(5) "10000"
}
int(63)
array(1) {
[0]=>
string(4) "0.01"
}
int(68)
bool(false)
int(68)
int(0)
-- iteration 4 --
int(0)
array(1) {
[0]=>
int(5349)
}
int(6)
array(1) {
[0]=>
int(-5349)
}
int(13)
array(1) {
[0]=>
int(83)
}
int(20)
array(1) {
[0]=>
int(-83)
}
int(28)
array(1) {
[0]=>
int(2487)
}
int(33)
array(1) {
[0]=>
int(319)
}
int(38)
array(1) {
[0]=>
NULL
}
int(41)
array(1) {
[0]=>
NULL
}
int(45)
array(1) {
[0]=>
NULL
}
int(51)
array(1) {
[0]=>
NULL
}
int(57)
array(1) {
[0]=>
int(4096)
}
int(63)
array(1) {
[0]=>
int(0)
}
int(68)
bool(false)
int(68)
int(0)
-- iteration 5 --
int(0)
array(1) {
[0]=>
int(74565)
}
int(6)
array(1) {
[0]=>
int(-74565)
}
int(13)
array(1) {
[0]=>
int(291)
}
int(20)
array(1) {
[0]=>
int(-291)
}
int(28)
array(1) {
[0]=>
int(18023)
}
int(33)
array(1) {
[0]=>
int(18297)
}
int(38)
array(1) {
[0]=>
int(131)
}
int(41)
array(1) {
[0]=>
int(-131)
}
int(45)
array(1) {
[0]=>
int(703710)
}
int(51)
array(1) {
[0]=>
int(703710)
}
int(57)
array(1) {
[0]=>
int(65536)
}
int(63)
array(1) {
[0]=>
int(0)
}
int(68)
bool(false)
int(68)
int(0)
-- iteration 6 --
int(0)
array(1) {
[0]=>
int(12345)
}
int(6)
array(1) {
[0]=>
string(10) "4294954951"
}
int(13)
array(1) {
[0]=>
int(123)
}
int(20)
array(1) {
[0]=>
string(10) "4294967173"
}
int(28)
array(1) {
[0]=>
int(4667)
}
int(33)
array(1) {
[0]=>
int(4779)
}
int(38)
array(1) {
[0]=>
int(83)
}
int(41)
array(1) {
[0]=>
string(10) "4294967213"
}
int(45)
array(1) {
[0]=>
NULL
}
int(51)
array(1) {
[0]=>
NULL
}
int(57)
array(1) {
[0]=>
int(10000)
}
int(63)
array(1) {
[0]=>
int(0)
}
int(68)
bool(false)
int(68)
int(0)
-- iteration 7 --
int(0)
array(1) {
[0]=>
string(1) "1"
}
int(6)
array(1) {
[0]=>
string(1) "-"
}
int(13)
array(1) {
[0]=>
string(1) "1"
}
int(20)
array(1) {
[0]=>
string(1) "-"
}
int(28)
array(1) {
[0]=>
string(1) "4"
}
int(33)
array(1) {
[0]=>
string(1) "4"
}
int(38)
array(1) {
[0]=>
string(1) "8"
}
int(41)
array(1) {
[0]=>
string(1) "-"
}
int(45)
array(1) {
[0]=>
string(1) "a"
}
int(51)
array(1) {
[0]=>
string(1) "a"
}
int(57)
array(1) {
[0]=>
string(1) "1"
}
int(63)
array(1) {
[0]=>
string(1) "0"
}
int(68)
bool(false)
int(68)
int(0)
-- iteration 8 --
int(0)
array(1) {
[0]=>
float(12345)
}
int(6)
array(1) {
[0]=>
float(-12345)
}
int(13)
array(1) {
[0]=>
float(123.45)
}
int(20)
array(1) {
[0]=>
float(-123.45)
}
int(28)
array(1) {
[0]=>
float(4667)
}
int(33)
array(1) {
[0]=>
float(4779)
}
int(38)
array(1) {
[0]=>
float(83)
}
int(41)
array(1) {
[0]=>
float(-83)
}
int(45)
array(1) {
[0]=>
NULL
}
int(51)
array(1) {
[0]=>
NULL
}
int(57)
array(1) {
[0]=>
float(10000)
}
int(63)
array(1) {
[0]=>
float(0.01)
}
int(68)
bool(false)
*** Done ***