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1.1       misho       1: --TEST--
                      2: Test each() function : usage variations - Referenced variables
                      3: --INI--
                      4: allow_call_time_pass_reference=on
                      5: --FILE--
                      6: <?php
                      7: /* Prototype  : array each(array $arr)
                      8:  * Description: Return the currently pointed key..value pair in the passed array,
                      9:  * and advance the pointer to the next element 
                     10:  * Source code: Zend/zend_builtin_functions.c
                     11:  */
                     12: 
                     13: /*
                     14:  * Test behaviour of each() when:
                     15:  * 1. Passed an array made up of referenced variables
                     16:  * 2. Passed an array as $arr argument by reference
                     17:  */
                     18: 
                     19: echo "*** Testing each() : usage variations ***\n";
                     20: 
                     21: echo "\n-- Array made up of referenced variables: --\n";
                     22: $val1 = 'foo';
                     23: $val2 = 'bar';
                     24: 
                     25: $arr1 = array('one' => &$val1, &$val2);
                     26: 
                     27: echo "-- Call each until at the end of the array: --\n";
                     28: var_dump( each($arr1) );
                     29: var_dump( each($arr1) );
                     30: var_dump( each($arr1) );
                     31: 
                     32: 
                     33: echo "\n-- Pass an array by reference to each(): --\n";
                     34: $arr2 = array('zero', 'one', 'two');
                     35: 
                     36: var_dump( each(&$arr2) );
                     37: echo "-- Check original array: --\n";
                     38: var_dump($arr2);
                     39: 
                     40: echo "Done";
                     41: ?>
                     42: 
                     43: --EXPECTF--
                     44: *** Testing each() : usage variations ***
                     45: 
                     46: -- Array made up of referenced variables: --
                     47: -- Call each until at the end of the array: --
                     48: array(4) {
                     49:   [1]=>
                     50:   string(3) "foo"
                     51:   ["value"]=>
                     52:   string(3) "foo"
                     53:   [0]=>
                     54:   string(3) "one"
                     55:   ["key"]=>
                     56:   string(3) "one"
                     57: }
                     58: array(4) {
                     59:   [1]=>
                     60:   string(3) "bar"
                     61:   ["value"]=>
                     62:   string(3) "bar"
                     63:   [0]=>
                     64:   int(0)
                     65:   ["key"]=>
                     66:   int(0)
                     67: }
                     68: bool(false)
                     69: 
                     70: -- Pass an array by reference to each(): --
                     71: array(4) {
                     72:   [1]=>
                     73:   string(4) "zero"
                     74:   ["value"]=>
                     75:   string(4) "zero"
                     76:   [0]=>
                     77:   int(0)
                     78:   ["key"]=>
                     79:   int(0)
                     80: }
                     81: -- Check original array: --
                     82: array(3) {
                     83:   [0]=>
                     84:   string(4) "zero"
                     85:   [1]=>
                     86:   string(3) "one"
                     87:   [2]=>
                     88:   string(3) "two"
                     89: }
                     90: Done