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1.1     ! misho       1: --TEST--
        !             2: Test get_declared_interfaces() function : basic functionality 
        !             3: --FILE--
        !             4: <?php
        !             5: /* Prototype  : proto array get_declared_interfaces()
        !             6:  * Description: Returns an array of all declared interfaces. 
        !             7:  * Source code: Zend/zend_builtin_functions.c
        !             8:  * Alias to functions: 
        !             9:  */
        !            10: 
        !            11: 
        !            12: echo "*** Testing get_declared_interfaces() : basic functionality ***\n";
        !            13: 
        !            14: // Zero arguments
        !            15: echo "\n-- Testing get_declared_interfaces() function with Zero arguments --\n";
        !            16: var_dump(get_declared_interfaces());
        !            17: 
        !            18: foreach (get_declared_interfaces() as $interface) {
        !            19:        if (!interface_exists($interface)) {
        !            20:                echo "Error: $interface is not a valid interface.\n"; 
        !            21:        }
        !            22: }
        !            23: 
        !            24: echo "\n-- Ensure userspace classes are not listed --\n";
        !            25: Class C {}
        !            26: var_dump(in_array('C', get_declared_interfaces()));
        !            27: 
        !            28: echo "\n-- Ensure userspace interfaces are listed --\n";
        !            29: Interface I {}
        !            30: var_dump(in_array('I', get_declared_interfaces()));
        !            31: 
        !            32: echo "Done";
        !            33: ?>
        !            34: --EXPECTF--
        !            35: *** Testing get_declared_interfaces() : basic functionality ***
        !            36: 
        !            37: -- Testing get_declared_interfaces() function with Zero arguments --
        !            38: array(%d) {
        !            39: %a
        !            40: }
        !            41: 
        !            42: -- Ensure userspace classes are not listed --
        !            43: bool(false)
        !            44: 
        !            45: -- Ensure userspace interfaces are listed --
        !            46: bool(true)
        !            47: Done