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1.1       misho       1: --TEST--
                      2: Test array_slice() function : usage variations - referenced variables
                      3: --INI--
                      4: allow_call_time_pass_reference=on
                      5: --FILE--
                      6: <?php
                      7: /* Prototype  : array array_slice(array $input, int $offset [, int $length [, bool $preserve_keys]])
                      8:  * Description: Returns elements specified by offset and length 
                      9:  * Source code: ext/standard/array.c
                     10:  */
                     11: 
                     12: /*
                     13:  * Test array_slice() when:
                     14:  * 1. Passed an array of referenced variables
                     15:  * 2. $input argument is passed by reference
                     16:  */
                     17: 
                     18: echo "*** Testing array_slice() : usage variations ***\n";
                     19: 
                     20: $val1 = 'one';
                     21: $val2 = 'two';
                     22: $val3 = 'three';
                     23: 
                     24: echo "\n-- Array of referenced variables (\$preserve_keys = default) --\n";
                     25: $input = array(3 => &$val1, 2 => &$val2, 1 => &$val3);
                     26: var_dump(array_slice($input, 1, 2));
                     27: 
                     28: echo "-- Change \$val2 (\$preserve_keys = TRUE) --\n";
                     29: $val2 = 'hello, world';
                     30: var_dump(array_slice($input, 1, 2, true));
                     31: 
                     32: echo "\n-- Pass array by reference --\n";
                     33: $new_input = array (1, 2, 3);
                     34: var_dump(array_slice(&$new_input, 1));
                     35: echo "-- Check passed array: --\n";
                     36: var_dump($new_input);
                     37: 
                     38: echo "Done";
                     39: ?>
                     40: 
                     41: --EXPECTF--
                     42: *** Testing array_slice() : usage variations ***
                     43: 
                     44: -- Array of referenced variables ($preserve_keys = default) --
                     45: array(2) {
                     46:   [0]=>
                     47:   &string(3) "two"
                     48:   [1]=>
                     49:   &string(5) "three"
                     50: }
                     51: -- Change $val2 ($preserve_keys = TRUE) --
                     52: array(2) {
                     53:   [2]=>
                     54:   &string(12) "hello, world"
                     55:   [1]=>
                     56:   &string(5) "three"
                     57: }
                     58: 
                     59: -- Pass array by reference --
                     60: array(2) {
                     61:   [0]=>
                     62:   int(2)
                     63:   [1]=>
                     64:   int(3)
                     65: }
                     66: -- Check passed array: --
                     67: array(3) {
                     68:   [0]=>
                     69:   int(1)
                     70:   [1]=>
                     71:   int(2)
                     72:   [2]=>
                     73:   int(3)
                     74: }
                     75: Done