--TEST--
Test each() function
--FILE--
<?php
/* Return the current key and value pair from an array
and advance the array cursor */
echo "*** Testing each() : basic functionality ***\n";
$arrays = array (
array(0),
array(1),
array(-1),
array(1, 2, 3, 4, 5),
array(-1, -2, -3, 6, 7, 8),
array("a", "ab", "abc", "abcd"),
array("1" => "one", "2" => "two", "3" => "three", "4" => "four"),
array("one" => 1, "two" => 2, 3 => "three", 4 => 4, "" => 5,
" " => 6, "\x00" => "\x000", "\0" => "\0", "" => "",
TRUE => TRUE, FALSE => FALSE, NULL => NULL
),
array("1.5" => "one.5", "-2.0" => "negative2.0"),
array(-5 => "negative5", -.05 => "negative.05")
);
/* loop through to check working of each() on different arrays */
$i = 0;
while( list( $key, $sub_array) = each($arrays) ) {
echo "-- Iteration $i --\n";
$c = count ($sub_array);
$c++; // increment by one to create the situation
// of accessing beyond array size
while ( $c ) {
var_dump( each($sub_array) );
$c --;
}
/* assignment of an array to another variable resets the internal
pointer of the array. check this and ensure that each returns
the first element after the assignment */
$new_array = $sub_array;
var_dump( each($sub_array) );
echo "\n";
$i++;
}
echo "\n*** Testing each() : possible variations ***\n";
echo "-- Testing each() with reset() function --\n";
/* reset the $arrays and use each to get the first element */
var_dump( reset($arrays) );
var_dump( each($arrays) ); // first element
list($key, $sub_array) = each($arrays); // now second element
var_dump( each($sub_array) );
echo "-- Testing each() with resources --\n";
$fp = fopen(__FILE__, "r");
$dfp = opendir(".");
$resources = array (
"file" => $fp,
"dir" => $dfp
);
for( $i = 0; $i < count($resources); $i++) {
var_dump( each($resources) );
}
echo "-- Testing each with objects --\n";
class each_class {
private $var_private = 100;
protected $var_protected = "string";
public $var_public = array(0, 1, TRUE, NULL);
}
$each_obj = new each_class();
for( $i = 0; $i <= 2; $i++ ) {
var_dump( each($each_obj) );
}
echo "-- Testing each() with null array --\n";
$null_array = array();
var_dump( each($null_array) );
echo "\n*** Testing error conditions ***\n";
/* unexpected number of arguments */
var_dump( each() ); // args = 0
var_dump( each($null_array, $null_array) ); // args > expected
/* unexpected argument type */
$var=1;
$str ="string";
$fl = "15.5";
var_dump( each($var) );
var_dump( each($str) );
var_dump( each($fl) );
// close resourses used
fclose($fp);
closedir($dfp);
echo "Done\n";
?>
--EXPECTF--
*** Testing each() : basic functionality ***
-- Iteration 0 --
array(4) {
[1]=>
int(0)
["value"]=>
int(0)
[0]=>
int(0)
["key"]=>
int(0)
}
bool(false)
array(4) {
[1]=>
int(0)
["value"]=>
int(0)
[0]=>
int(0)
["key"]=>
int(0)
}
-- Iteration 1 --
array(4) {
[1]=>
int(1)
["value"]=>
int(1)
[0]=>
int(0)
["key"]=>
int(0)
}
bool(false)
array(4) {
[1]=>
int(1)
["value"]=>
int(1)
[0]=>
int(0)
["key"]=>
int(0)
}
-- Iteration 2 --
array(4) {
[1]=>
int(-1)
["value"]=>
int(-1)
[0]=>
int(0)
["key"]=>
int(0)
}
bool(false)
array(4) {
[1]=>
int(-1)
["value"]=>
int(-1)
[0]=>
int(0)
["key"]=>
int(0)
}
-- Iteration 3 --
array(4) {
[1]=>
int(1)
["value"]=>
int(1)
[0]=>
int(0)
["key"]=>
int(0)
}
array(4) {
[1]=>
int(2)
["value"]=>
int(2)
[0]=>
int(1)
["key"]=>
int(1)
}
array(4) {
[1]=>
int(3)
["value"]=>
int(3)
[0]=>
int(2)
["key"]=>
int(2)
}
array(4) {
[1]=>
int(4)
["value"]=>
int(4)
[0]=>
int(3)
["key"]=>
int(3)
}
array(4) {
[1]=>
int(5)
["value"]=>
int(5)
[0]=>
int(4)
["key"]=>
int(4)
}
bool(false)
array(4) {
[1]=>
int(1)
["value"]=>
int(1)
[0]=>
int(0)
["key"]=>
int(0)
}
-- Iteration 4 --
array(4) {
[1]=>
int(-1)
["value"]=>
int(-1)
[0]=>
int(0)
["key"]=>
int(0)
}
array(4) {
[1]=>
int(-2)
["value"]=>
int(-2)
[0]=>
int(1)
["key"]=>
int(1)
}
array(4) {
[1]=>
int(-3)
["value"]=>
int(-3)
[0]=>
int(2)
["key"]=>
int(2)
}
array(4) {
[1]=>
int(6)
["value"]=>
int(6)
[0]=>
int(3)
["key"]=>
int(3)
}
array(4) {
[1]=>
int(7)
["value"]=>
int(7)
[0]=>
int(4)
["key"]=>
int(4)
}
array(4) {
[1]=>
int(8)
["value"]=>
int(8)
[0]=>
int(5)
["key"]=>
int(5)
}
bool(false)
array(4) {
[1]=>
int(-1)
["value"]=>
int(-1)
[0]=>
int(0)
["key"]=>
int(0)
}
-- Iteration 5 --
array(4) {
[1]=>
string(1) "a"
["value"]=>
string(1) "a"
[0]=>
int(0)
["key"]=>
int(0)
}
array(4) {
[1]=>
string(2) "ab"
["value"]=>
string(2) "ab"
[0]=>
int(1)
["key"]=>
int(1)
}
array(4) {
[1]=>
string(3) "abc"
["value"]=>
string(3) "abc"
[0]=>
int(2)
["key"]=>
int(2)
}
array(4) {
[1]=>
string(4) "abcd"
["value"]=>
string(4) "abcd"
[0]=>
int(3)
["key"]=>
int(3)
}
bool(false)
array(4) {
[1]=>
string(1) "a"
["value"]=>
string(1) "a"
[0]=>
int(0)
["key"]=>
int(0)
}
-- Iteration 6 --
array(4) {
[1]=>
string(3) "one"
["value"]=>
string(3) "one"
[0]=>
int(1)
["key"]=>
int(1)
}
array(4) {
[1]=>
string(3) "two"
["value"]=>
string(3) "two"
[0]=>
int(2)
["key"]=>
int(2)
}
array(4) {
[1]=>
string(5) "three"
["value"]=>
string(5) "three"
[0]=>
int(3)
["key"]=>
int(3)
}
array(4) {
[1]=>
string(4) "four"
["value"]=>
string(4) "four"
[0]=>
int(4)
["key"]=>
int(4)
}
bool(false)
array(4) {
[1]=>
string(3) "one"
["value"]=>
string(3) "one"
[0]=>
int(1)
["key"]=>
int(1)
}
-- Iteration 7 --
array(4) {
[1]=>
int(1)
["value"]=>
int(1)
[0]=>
string(3) "one"
["key"]=>
string(3) "one"
}
array(4) {
[1]=>
int(2)
["value"]=>
int(2)
[0]=>
string(3) "two"
["key"]=>
string(3) "two"
}
array(4) {
[1]=>
string(5) "three"
["value"]=>
string(5) "three"
[0]=>
int(3)
["key"]=>
int(3)
}
array(4) {
[1]=>
int(4)
["value"]=>
int(4)
[0]=>
int(4)
["key"]=>
int(4)
}
array(4) {
[1]=>
NULL
["value"]=>
NULL
[0]=>
string(0) ""
["key"]=>
string(0) ""
}
array(4) {
[1]=>
int(6)
["value"]=>
int(6)
[0]=>
string(2) " "
["key"]=>
string(2) " "
}
array(4) {
[1]=>
string(1) " "
["value"]=>
string(1) " "
[0]=>
string(1) " "
["key"]=>
string(1) " "
}
array(4) {
[1]=>
bool(true)
["value"]=>
bool(true)
[0]=>
int(1)
["key"]=>
int(1)
}
array(4) {
[1]=>
bool(false)
["value"]=>
bool(false)
[0]=>
int(0)
["key"]=>
int(0)
}
bool(false)
array(4) {
[1]=>
int(1)
["value"]=>
int(1)
[0]=>
string(3) "one"
["key"]=>
string(3) "one"
}
-- Iteration 8 --
array(4) {
[1]=>
string(5) "one.5"
["value"]=>
string(5) "one.5"
[0]=>
string(3) "1.5"
["key"]=>
string(3) "1.5"
}
array(4) {
[1]=>
string(11) "negative2.0"
["value"]=>
string(11) "negative2.0"
[0]=>
string(4) "-2.0"
["key"]=>
string(4) "-2.0"
}
bool(false)
array(4) {
[1]=>
string(5) "one.5"
["value"]=>
string(5) "one.5"
[0]=>
string(3) "1.5"
["key"]=>
string(3) "1.5"
}
-- Iteration 9 --
array(4) {
[1]=>
string(9) "negative5"
["value"]=>
string(9) "negative5"
[0]=>
int(-5)
["key"]=>
int(-5)
}
array(4) {
[1]=>
string(11) "negative.05"
["value"]=>
string(11) "negative.05"
[0]=>
int(0)
["key"]=>
int(0)
}
bool(false)
array(4) {
[1]=>
string(9) "negative5"
["value"]=>
string(9) "negative5"
[0]=>
int(-5)
["key"]=>
int(-5)
}
*** Testing each() : possible variations ***
-- Testing each() with reset() function --
array(1) {
[0]=>
int(0)
}
array(4) {
[1]=>
array(1) {
[0]=>
int(0)
}
["value"]=>
array(1) {
[0]=>
int(0)
}
[0]=>
int(0)
["key"]=>
int(0)
}
array(4) {
[1]=>
int(1)
["value"]=>
int(1)
[0]=>
int(0)
["key"]=>
int(0)
}
-- Testing each() with resources --
array(4) {
[1]=>
resource(5) of type (stream)
["value"]=>
resource(5) of type (stream)
[0]=>
string(4) "file"
["key"]=>
string(4) "file"
}
array(4) {
[1]=>
resource(6) of type (stream)
["value"]=>
resource(6) of type (stream)
[0]=>
string(3) "dir"
["key"]=>
string(3) "dir"
}
-- Testing each with objects --
array(4) {
[1]=>
int(100)
["value"]=>
int(100)
[0]=>
string(23) " each_class var_private"
["key"]=>
string(23) " each_class var_private"
}
array(4) {
[1]=>
string(6) "string"
["value"]=>
string(6) "string"
[0]=>
string(16) " * var_protected"
["key"]=>
string(16) " * var_protected"
}
array(4) {
[1]=>
array(4) {
[0]=>
int(0)
[1]=>
int(1)
[2]=>
bool(true)
[3]=>
NULL
}
["value"]=>
array(4) {
[0]=>
int(0)
[1]=>
int(1)
[2]=>
bool(true)
[3]=>
NULL
}
[0]=>
string(10) "var_public"
["key"]=>
string(10) "var_public"
}
-- Testing each() with null array --
bool(false)
*** Testing error conditions ***
Warning: Wrong parameter count for each() in %s on line %d
NULL
Warning: Wrong parameter count for each() in %s on line %d
NULL
Warning: Variable passed to each() is not an array or object in %s on line %d
NULL
Warning: Variable passed to each() is not an array or object in %s on line %d
NULL
Warning: Variable passed to each() is not an array or object in %s on line %d
NULL
Done