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Annotation of embedaddon/php/ext/standard/tests/array/usort_variation7.phpt, revision 1.1.1.1

1.1       misho       1: --TEST--
                      2: Test usort() function : usage variations - Anonymous comparison function
                      3: --FILE--
                      4: <?php
                      5: /* Prototype  : bool usort(array $array_arg, string $cmp_function)
                      6:  * Description: Sort an array by values using a user-defined comparison function 
                      7:  * Source code: ext/standard/array.c
                      8:  */
                      9: 
                     10: /*
                     11:  * Pass an anonymous comparison function as $cmp_function argument to test behaviour()
                     12:  */
                     13: 
                     14: echo "*** Testing usort() : usage variation ***\n";
                     15: 
                     16: $cmp_function = 'if($value1 == $value2) {return 0;} else if($value1 > $value2) {return 1;} else{return -1;}';
                     17: 
                     18: $array_arg = array(0 => 100, 1 => 3, 2 => -70, 3 => 24, 4 => 90);
                     19: 
                     20: echo "\n-- Anonymous 'cmp_function' with parameters passed by value --\n";
                     21: var_dump( usort($array_arg, create_function('$value1, $value2',$cmp_function) ) );
                     22: var_dump($array_arg);
                     23: 
                     24: $array_arg = array("b" => "Banana", "m" => "Mango", "a" => "Apple", "p" => "Pineapple");
                     25: 
                     26: echo "\n-- Anonymous 'cmp_function' with parameters passed by reference --\n";
                     27: var_dump( usort($array_arg, create_function('&$value1, &$value2', $cmp_function) ) );
                     28: var_dump($array_arg);
                     29: ?>
                     30: ===DONE===
                     31: --EXPECTF--
                     32: *** Testing usort() : usage variation ***
                     33: 
                     34: -- Anonymous 'cmp_function' with parameters passed by value --
                     35: bool(true)
                     36: array(5) {
                     37:   [0]=>
                     38:   int(-70)
                     39:   [1]=>
                     40:   int(3)
                     41:   [2]=>
                     42:   int(24)
                     43:   [3]=>
                     44:   int(90)
                     45:   [4]=>
                     46:   int(100)
                     47: }
                     48: 
                     49: -- Anonymous 'cmp_function' with parameters passed by reference --
                     50: bool(true)
                     51: array(4) {
                     52:   [0]=>
                     53:   string(5) "Apple"
                     54:   [1]=>
                     55:   string(6) "Banana"
                     56:   [2]=>
                     57:   string(5) "Mango"
                     58:   [3]=>
                     59:   string(9) "Pineapple"
                     60: }
                     61: ===DONE===