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Annotation of embedaddon/php/ext/standard/tests/array/array_diff_key_variation7.phpt, revision 1.1.1.1

1.1       misho       1: --TEST--
                      2: Test array_diff_key() function : usage variation - Passing null,unset and undefined variable indexed array
                      3: --FILE--
                      4: <?php
                      5: /* Prototype  : array array_diff_key(array arr1, array arr2 [, array ...])
                      6:  * Description: Returns the entries of arr1 that have keys which are not present in any of the others arguments. 
                      7:  * Source code: ext/standard/array.c
                      8:  */
                      9: 
                     10: echo "*** Testing array_diff_key() : usage variation ***\n";
                     11: 
                     12: // Initialise function arguments not being substituted (if any)
                     13: $input_array = array(10 => '10', "" => 'empty'); 
                     14: 
                     15: //get an unset variable
                     16: $unset_var = 10;
                     17: unset ($unset_var);
                     18: 
                     19: $input_arrays = array(
                     20:       'null indexed' => array(NULL => 'null 1', null => 'null 2'),
                     21:       'undefined indexed' => array(@$undefined_var => 'undefined'),
                     22:       'unset  indexed' => array(@$unset_var => 'unset'),
                     23: );
                     24: 
                     25: foreach($input_arrays as $key =>$value) {
                     26:       echo "\n--$key--\n";
                     27:       // loop through each element of the array for arr1
                     28:       var_dump( array_diff_key($input_array, $value) );
                     29:       var_dump( array_diff_key($value, $input_array) );
                     30: }      
                     31: ?>
                     32: ===DONE===
                     33: --EXPECTF--
                     34: *** Testing array_diff_key() : usage variation ***
                     35: 
                     36: --null indexed--
                     37: array(1) {
                     38:   [10]=>
                     39:   string(2) "10"
                     40: }
                     41: array(0) {
                     42: }
                     43: 
                     44: --undefined indexed--
                     45: array(1) {
                     46:   [10]=>
                     47:   string(2) "10"
                     48: }
                     49: array(0) {
                     50: }
                     51: 
                     52: --unset  indexed--
                     53: array(1) {
                     54:   [10]=>
                     55:   string(2) "10"
                     56: }
                     57: array(0) {
                     58: }
                     59: ===DONE===