123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253 |
- --TEST--
- Test each() function : usage variations - keys of different data types
- --FILE--
- <?php
- /* Prototype : array each(array $arr)
- * Description: Return the currently pointed key..value pair in the passed array,
- * and advance the pointer to the next element
- * Source code: Zend/zend_builtin_functions.c
- */
- /*
- * Pass each() arrays where the keys are different data types to test behaviour
- */
- echo "*** Testing each() : usage variations ***\n";
- //get an unset variable
- $unset_var = 10;
- unset ($unset_var);
- // heredoc string
- $heredoc = <<<EOT
- hello world
- EOT;
- // unexpected values to be passed as $arr
- $inputs = array(
- // int data
- /*1*/ 'int' => array(
- 0 => 'zero',
- 1 => 'one',
- 12345 => 'positive',
- -2345 => 'negative',
- ),
- // float data
- /*2*/ 'float' => array(
- 10.5 => 'positive',
- -10.5 => 'negative',
- .5 => 'half',
- ),
-
- /*3*/ 'extreme floats' => array(
- 12.3456789000e6 => 'large',
- 12.3456789000E-10 => 'small',
- ),
- // null data
- /*4*/ 'null uppercase' => array(
- NULL => 'null 1',
- ),
-
- /*5*/ 'null lowercase' => array(
- null => 'null 2',
- ),
- // boolean data
- /*6*/ 'bool lowercase' => array(
- true => 'lowert',
- false => 'lowerf',
- ),
-
- /*7*/ 'bool uppercase' => array(
- TRUE => 'uppert',
- FALSE => 'upperf',
- ),
-
- // empty data
- /*8*/ 'empty double quotes' => array(
- "" => 'emptyd',
- ),
-
- /*9*/ 'empty single quotes' => array(
- '' => 'emptys',
- ),
- // string data
- /*10*/ 'string' => array(
- "stringd" => 'stringd',
- 'strings' => 'strings',
- $heredoc => 'stringh',
- ),
- // undefined data
- /*11*/ 'undefined' => array(
- @$undefined_var => 'undefined',
- ),
- // unset data
- /*12*/ 'unset' => array(
- @$unset_var => 'unset',
- ),
- );
- // loop through each element of $inputs to check the behavior of each()
- $iterator = 1;
- foreach($inputs as $key => $input) {
- echo "\n-- Iteration $iterator: $key data --\n";
- var_dump( each($input) );
- $iterator++;
- };
- echo "Done";
- ?>
- --EXPECTF--
- *** Testing each() : usage variations ***
- -- Iteration 1: int data --
- array(4) {
- [1]=>
- string(4) "zero"
- ["value"]=>
- string(4) "zero"
- [0]=>
- int(0)
- ["key"]=>
- int(0)
- }
- -- Iteration 2: float data --
- array(4) {
- [1]=>
- string(8) "positive"
- ["value"]=>
- string(8) "positive"
- [0]=>
- int(10)
- ["key"]=>
- int(10)
- }
- -- Iteration 3: extreme floats data --
- array(4) {
- [1]=>
- string(5) "large"
- ["value"]=>
- string(5) "large"
- [0]=>
- int(12345678)
- ["key"]=>
- int(12345678)
- }
- -- Iteration 4: null uppercase data --
- array(4) {
- [1]=>
- string(6) "null 1"
- ["value"]=>
- string(6) "null 1"
- [0]=>
- string(0) ""
- ["key"]=>
- string(0) ""
- }
- -- Iteration 5: null lowercase data --
- array(4) {
- [1]=>
- string(6) "null 2"
- ["value"]=>
- string(6) "null 2"
- [0]=>
- string(0) ""
- ["key"]=>
- string(0) ""
- }
- -- Iteration 6: bool lowercase data --
- array(4) {
- [1]=>
- string(6) "lowert"
- ["value"]=>
- string(6) "lowert"
- [0]=>
- int(1)
- ["key"]=>
- int(1)
- }
- -- Iteration 7: bool uppercase data --
- array(4) {
- [1]=>
- string(6) "uppert"
- ["value"]=>
- string(6) "uppert"
- [0]=>
- int(1)
- ["key"]=>
- int(1)
- }
- -- Iteration 8: empty double quotes data --
- array(4) {
- [1]=>
- string(6) "emptyd"
- ["value"]=>
- string(6) "emptyd"
- [0]=>
- string(0) ""
- ["key"]=>
- string(0) ""
- }
- -- Iteration 9: empty single quotes data --
- array(4) {
- [1]=>
- string(6) "emptys"
- ["value"]=>
- string(6) "emptys"
- [0]=>
- string(0) ""
- ["key"]=>
- string(0) ""
- }
- -- Iteration 10: string data --
- array(4) {
- [1]=>
- string(7) "stringd"
- ["value"]=>
- string(7) "stringd"
- [0]=>
- string(7) "stringd"
- ["key"]=>
- string(7) "stringd"
- }
- -- Iteration 11: undefined data --
- array(4) {
- [1]=>
- string(9) "undefined"
- ["value"]=>
- string(9) "undefined"
- [0]=>
- string(0) ""
- ["key"]=>
- string(0) ""
- }
- -- Iteration 12: unset data --
- array(4) {
- [1]=>
- string(5) "unset"
- ["value"]=>
- string(5) "unset"
- [0]=>
- string(0) ""
- ["key"]=>
- string(0) ""
- }
- Done
|