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|
--TEST--
Test end() function
--SKIPIF--
<?php
if (PHP_INT_SIZE != 4) die("skip this test is for 32bit platform only");
?>
--INI--
precision=14
--FILE--
<?php
/* Prototype: mixed end ( array &$array );
Description: Advances internal pointer of array to last element, and returns its value.
*/
$arrays = array (
array( 0 ),
range(1, 100 ),
range('a', 'z', 2 ),
array("a" => "A", 2 => "B", "C" => 3, 4 => 4, "one" => 1, "" => NULL ),
array(1, array(1, 2 => 3 ), "one" => 1, "5" => 5 ),
array(-1, -2, -3, -4, "-0.005" => "neg0.005", 2.0 => "float2", "neg.9" => -.9 ),
array(1.0005, 2.000000, -3.000000, -4.9999999 ),
array(true, false),
array("PHP", "Web2.0", "SOA"),
array(1, array() ),
array(1, 2, "" ),
array(" "),
array(2147483647, 2147483648, -2147483647, -2147483648 ),
array(0x7FFFFFFF, -0x80000000, 017777777777, -020000000000 ),
array(-.6700000E+3, -4.10003E+3, 1e-5, -1E+5, 000002.00 )
);
/* loop through $arrays to print the last element of each sub-array */
echo "*** Testing end() on different arrays ***\n";
$counter = 1;
foreach ($arrays as $sub_array){
echo "-- Iteration $counter --\n";
var_dump( end($sub_array) );
/* ensure that internal pointer is moved to last element */
var_dump( current($sub_array) );
$counter++;
}
/* checking for end() on sub-arrays */
echo "\n*** Testing end() with sub-arrays ***\n";
$test_array = array(1, array(1 => "one", "two" => 2, "" => "f") );
var_dump( end($test_array) );
var_dump( end($test_array[1]) );
/* checking working of end() when array elements are deleted */
echo "\n*** Testing end() when array elements are deleted ***\n";
$array_test = array("a", "b", "d", 7, "u" => "U", -4, "-.008" => "neg.008");
// remove first element from array
echo "\n-- Remove first element from array --\n";
unset($array_test[0]);
var_dump( end($array_test) );
// remove last element from array, rewind and check end()
echo "\n-- Remove last element from array --\n";
unset($array_test['-.008']);
var_dump( end($array_test) );
reset( $array_test );
var_dump( end($array_test) );
// remove any element !first, !last, rewind and check end()
echo "\n-- Remove any element from array apart from first and last element --\n";
unset($array_test[7]);
var_dump( end($array_test) );
var_dump( reset($array_test) );
var_dump( end($array_test) );
/* Checking on OBJECTS type */
echo "\n*** Testing end() on objects ***\n";
class foo
{
function __toString() {
return "Object";
}
}
class foo1
{
function __toString() {
return "Object1";
}
}
$object1 = new foo(); //new object created
$object2 = new foo1();
$array_object = array();
$array_object[0] = &$object1;
$array_object[1] = &$object2;
var_dump( end($array_object) );
var_dump($array_object);
/* Checking on RESOURCE type */
echo "\n*** Testing end() on resource type ***\n";
//file type resource
$file_handle = fopen(__FILE__, "r");
//directory type resource
$dir_handle = opendir( dirname(__FILE__) );
//store resources in array
$resources = array($file_handle, $dir_handle);
var_dump( end($resources) );
var_dump( current($resources) );
echo "\n*** Testing error conditions ***\n";
/* checking for unexpected number of arguments */
var_dump( end() );
var_dump( end($array[0], $array[0]) );
/* checking for unexpected type of arguments */
$var=1;
$var1="string";
var_dump( end($var) );
var_dump( end($var1) );
/* checking null array */
$null_array = array();
var_dump( end($null_array) );
echo "Done\n";
?>
--CLEAN--
/* cleaning resource handles */
fclose( $file_handle ); //file resource handle deleted
closedir( $dir_handle ); //dir resource handle deleted
--EXPECTF--
*** Testing end() on different arrays ***
-- Iteration 1 --
int(0)
int(0)
-- Iteration 2 --
int(100)
int(100)
-- Iteration 3 --
string(1) "y"
string(1) "y"
-- Iteration 4 --
NULL
NULL
-- Iteration 5 --
int(5)
int(5)
-- Iteration 6 --
float(-0.9)
float(-0.9)
-- Iteration 7 --
float(-4.9999999)
float(-4.9999999)
-- Iteration 8 --
bool(false)
bool(false)
-- Iteration 9 --
string(3) "SOA"
string(3) "SOA"
-- Iteration 10 --
array(0) {
}
array(0) {
}
-- Iteration 11 --
string(0) ""
string(0) ""
-- Iteration 12 --
string(1) " "
string(1) " "
-- Iteration 13 --
float(-2147483648)
float(-2147483648)
-- Iteration 14 --
float(-2147483648)
float(-2147483648)
-- Iteration 15 --
float(2)
float(2)
*** Testing end() with sub-arrays ***
array(3) {
[1]=>
string(3) "one"
["two"]=>
int(2)
[""]=>
string(1) "f"
}
string(1) "f"
*** Testing end() when array elements are deleted ***
-- Remove first element from array --
string(7) "neg.008"
-- Remove last element from array --
int(-4)
int(-4)
-- Remove any element from array apart from first and last element --
int(-4)
string(1) "b"
int(-4)
*** Testing end() on objects ***
object(foo1)#%d (0) {
}
array(2) {
[0]=>
&object(foo)#%d (0) {
}
[1]=>
&object(foo1)#%d (0) {
}
}
*** Testing end() on resource type ***
resource(%d) of type (stream)
resource(%d) of type (stream)
*** Testing error conditions ***
Warning: Wrong parameter count for end() in %s on line %d
NULL
Warning: Wrong parameter count for end() in %s on line %d
NULL
Warning: end(): Passed variable is not an array or object in %s on line %d
bool(false)
Warning: end(): Passed variable is not an array or object in %s on line %d
bool(false)
bool(false)
Done
|
