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1.1     ! misho       1: --TEST--
        !             2: Test array_diff_uassoc() function : usage variation - Comparing integers and floating point numbers
        !             3: --FILE--
        !             4: <?php
        !             5: /* Prototype  : array array_diff_uassoc(array arr1, array arr2 [, array ...], callback key_comp_func)
        !             6:  * Description: Computes the difference of arrays with additional index check which is performed by a 
        !             7:  *                             user supplied callback function
        !             8:  * Source code: ext/standard/array.c
        !             9:  */
        !            10: 
        !            11: echo "*** Testing array_diff_uassoc() : usage variation ***\n";
        !            12: 
        !            13: //Initialize variables
        !            14: $arr_default_int = array(1, 2, 3, 4);
        !            15: $arr_float = array(0 => 1.00, 1.00 => 2.00, 2.00 => 3.00, 3.00 => 4.00);
        !            16: 
        !            17: 
        !            18: function key_compare_func($key1, $key2)
        !            19: {
        !            20:     if ($key1 === $key2) {
        !            21:         return 0;
        !            22:     }
        !            23:     return ($key1 > $key2)? 1:-1;
        !            24: }
        !            25: 
        !            26: echo "\n-- Result of comparing integers and floating point numbers --\n";
        !            27: var_dump( array_diff_uassoc($arr_default_int, $arr_float, "key_compare_func") );
        !            28: var_dump( array_diff_uassoc($arr_float, $arr_default_int, "key_compare_func") );
        !            29: 
        !            30: ?>
        !            31: ===DONE===
        !            32: --EXPECTF--
        !            33: *** Testing array_diff_uassoc() : usage variation ***
        !            34: 
        !            35: -- Result of comparing integers and floating point numbers --
        !            36: array(0) {
        !            37: }
        !            38: array(0) {
        !            39: }
        !            40: ===DONE===