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