--TEST--
Test fseek() function : usage variations - different types for whence
--CREDITS--
Dave Kelsey <d_kelsey@uk.ibm.com>
--SKIPIF--
<?php if (PHP_INT_SIZE != 8) die("skip this test is for 64-bit only");
--FILE--
<?php
/* Prototype : proto int fseek(resource fp, int offset [, int whence])
* Description: Seek on a file pointer
* Source code: ext/standard/file.c
* Alias to functions: gzseek
*/
echo "*** Testing fseek() : usage variations ***\n";
error_reporting(E_ALL & ~E_NOTICE);
$fp = fopen(__FILE__, 'r');
$offset = 3;
//get an unset variable
$unset_var = 10;
unset ($unset_var);
//array of values to iterate over
$values = array(
// outside of whence range
-100,
100,
// float data
10.5,
-10.5,
10.1234567e10,
10.7654321E-10,
.5,
// null data
NULL,
null,
// boolean data
true,
false,
TRUE,
FALSE,
// empty data
"",
'',
// string data
"string",
'string',
// undefined data
$undefined_var,
// unset data
$unset_var,
);
// loop through each element of the array for whence
foreach($values as $value) {
echo "\nArg value $value \n";
var_dump( fseek($fp, $offset, $value) );
var_dump( ftell($fp));
};
fclose($fp);
echo "Done";
?>
--EXPECTF--
*** Testing fseek() : usage variations ***
Arg value -100
int(-1)
int(0)
Arg value 100
int(-1)
int(0)
Arg value 10.5
int(-1)
int(0)
Arg value -10.5
int(-1)
int(0)
Arg value 101234567000
int(-1)
int(0)
Arg value 1.07654321E-9
int(0)
int(3)
Arg value 0.5
int(0)
int(3)
Arg value
int(0)
int(3)
Arg value
int(0)
int(3)
Arg value 1
int(0)
int(6)
Arg value
int(0)
int(3)
Arg value 1
int(0)
int(6)
Arg value
int(0)
int(3)
Arg value
Warning: fseek() expects parameter 3 to be integer, string given in %s on line %d
bool(false)
int(3)
Arg value
Warning: fseek() expects parameter 3 to be integer, string given in %s on line %d
bool(false)
int(3)
Arg value string
Warning: fseek() expects parameter 3 to be integer, string given in %s on line %d
bool(false)
int(3)
Arg value string
Warning: fseek() expects parameter 3 to be integer, string given in %s on line %d
bool(false)
int(3)
Arg value
int(0)
int(3)
Arg value
int(0)
int(3)
Done
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