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Implementation of Stack, Queue and Set data structure using php.

Stack Class Available methods

  • isFull() -- return true if stack is Full
  • isEmpty() -- return true if stack is Empty
  • push($value) - insert item to stack
  • pop() - remove item to stack
  • getStack() - get the stack
  • peak() - return top item of the stack

How to use?

try {
    $stack = new Stack();
    print_r( $stack->push( 1 )->push( 2 )->push( 3 )->pop()->push( 4 )->getStack() );
} catch ( \Throwable $th ) {
    echo $th->getMessage();
}

Method chaining is available for push and pop

You can define Stack size. For example: new Stack(10). Default size is 5

Queue Class Available methods

  • isFull() -- return true if queue is Full
  • isEmpty() -- return true if queue is Empty
  • enqueue($value) - insert item to queue
  • dequeue() - remove item to queue
  • getQueue() - get the queue
  • peak() - return top item of the queue
  • output() - Get details of the queue

How to use?

try {
    $queue = new Queue();
    print_r( $queue->enqueue( 1 )->dequeue()->enqueue( 2 )->enqueue( 3 )->enqueue( 4 )->enqueue( 5 )->getQueue() );
    $queue->dequeue()->output();
} catch ( \Throwable $th ) {
    print_r( $th->getMessage() );
}

Method chaining is available for enqueue and dequeue

You can define Queue size. For example: new Queue(10). Default size is 5

Set Class Available methods

  • add($value) - insert item to Set
  • remove($value) - remove item to Set
  • isExists($value) - if value exists in the Set
  • getSet() - get the Set array
  • getSize() - get the Size of the Set
  • max() - Get the maximum value of the Set
  • min() - Get the minimum value of the Set

How to use?

try {
    $set = new Set();
    print_r( $set->add( 5 )->add( 6 )->add( 5 )->remove( 6 )->add( 9 )->getSet() );
    echo "Max value: " . $set->max() . "\n";
    echo "Set size: " . $set->getSize() . "\n";
} catch ( \Throwable $th ) {
    echo $th->getMessage();
}

Method chaining is available for add and remove

Note: Example Code is given in index.php

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Implementation of Data Structure using PHP

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