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1.1       misho       1: --TEST--
                      2: Test array_map() function : object functionality - class methods as callback function
                      3: --FILE--
                      4: <?php
                      5: /* Prototype  : array array_map  ( callback $callback  , array $arr1  [, array $...  ] )
                      6:  * Description: Applies the callback to the elements of the given arrays
                      7:  * Source code: ext/standard/array.c
                      8:  */
                      9: 
                     10: /*
                     11:  * Testing array_map() for object functionality with following callback function variations:
                     12:  *   1) child class method using parent object
                     13:  *   2) parent class method using child object
                     14:  *   3) child class method using parent class
                     15:  *   4) parent class method using child class
                     16:  */
                     17: echo "*** Testing array_map() : class methods as callback function ***\n";
                     18: 
                     19: $arr1 = array(1, 5, 7);
                     20: 
                     21: class ParentClass
                     22: {
                     23:   public $var1 = 10;
                     24:   public static function staticParent1($n) {
                     25:     return $n;
                     26:   }
                     27:   private static function staticParent2($n) {
                     28:     return $n;
                     29:   }
                     30: }
                     31: 
                     32: class ChildClass extends ParentClass 
                     33: {
                     34:   var $parent_obj;
                     35:   public function __construct ( ) {
                     36:     $this->parent_obj = new ParentClass();
                     37:   }
                     38:   public $var2 = 5;
                     39:   public static function staticChild($n) {
                     40:     return $n;
                     41:   }
                     42:   public function nonstaticChild($n) {
                     43:     return $n;
                     44:   }
                     45: }
                     46: 
                     47: $childobj = new ChildClass();
                     48: $parentobj = new ParentClass();
                     49: 
                     50: echo "-- accessing parent method from child class --\n";
                     51: var_dump( array_map(array('ChildClass', 'staticParent1'), $arr1) );
                     52: 
                     53: echo "-- accessing child method from parent class --\n";
                     54: var_dump( array_map(array('ParentClass', 'staticChild'), $arr1) );
                     55: 
                     56: echo "-- accessing parent method using child class object --\n";
                     57: var_dump( array_map(array($childobj, 'staticParent1'), $arr1) );
                     58: 
                     59: echo "-- accessing child method using parent class object --\n";
                     60: var_dump( array_map(array($parentobj, 'staticChild'), $arr1) );
                     61: 
                     62: echo "Done";
                     63: ?>
                     64: --EXPECTF--
                     65: *** Testing array_map() : class methods as callback function ***
                     66: -- accessing parent method from child class --
                     67: array(3) {
                     68:   [0]=>
                     69:   int(1)
                     70:   [1]=>
                     71:   int(5)
                     72:   [2]=>
                     73:   int(7)
                     74: }
                     75: -- accessing child method from parent class --
                     76: 
                     77: Warning: array_map() expects parameter 1 to be a valid callback, class 'ParentClass' does not have a method 'staticChild' in %s on line %d
                     78: NULL
                     79: -- accessing parent method using child class object --
                     80: array(3) {
                     81:   [0]=>
                     82:   int(1)
                     83:   [1]=>
                     84:   int(5)
                     85:   [2]=>
                     86:   int(7)
                     87: }
                     88: -- accessing child method using parent class object --
                     89: 
                     90: Warning: array_map() expects parameter 1 to be a valid callback, class 'ParentClass' does not have a method 'staticChild' in %s on line %d
                     91: NULL
                     92: Done