测试代码markdown

<?php
function key_compare_func($a, $b)
{
    if ($a === $b) {
        return 0;
    }
    return ($a > $b)? 1:-1;
}

$array1 = array("a" => "green", "b" => "brown", "c" => "blue", "red");
$array2 = array("a" => "green", "yellow", "red");
$result = array_diff_uassoc($array1, $array2, "key_compare_func");
print_r($result);
?>
    已邀请:
     $b)? 1:-1;
    }
    
    $array1 = array("a" => "green", "b" => "brown", "c" => "blue", "red");
    $array2 = array("a" => "green", "yellow", "red");
    $result = array_diff_uassoc($array1, $array2, "key_compare_func");
    print_r($result);
    ?>
     $b)? 1:-1;
    }
    
    $array1 = array("a" => "green", "b" => "brown", "c" => "blue", "red");
    $array2 = array("a" => "green", "yellow", "red");
    $result = array_diff_uassoc($array1, $array2, "key_compare_func");
    print_r($result);
    ?>

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