EvalMathStack Class Reference

Collaboration diagram for EvalMathStack:

Public Member Functions
	push ($val)
	pop ()
	last ($n=1)

Data Fields
array	$stack = []
int	$count = 0

Detailed Description

Definition at line 448 of file class.EvalMath.php.

Member Function Documentation

last()

EvalMathStack::last

(

$n = 1

)

Definition at line 468 of file class.EvalMath.php.

    {
        if (isset($this->stack[$this->count - $n])) {
            return $this->stack[$this->count - $n];
        }
        return null;
    }

pop()

EvalMathStack::pop

(

)

Definition at line 459 of file class.EvalMath.php.

    {
        if ($this->count > 0) {
            $this->count--;
            return $this->stack[$this->count];
        }
        return null;
    }

References $count.

push()

EvalMathStack::push

(

$val

)

Definition at line 453 of file class.EvalMath.php.

                              : void
    {
        $this->stack[$this->count] = $val;
        $this->count++;
    }

References $count.

Field Documentation

$count

int EvalMathStack::$count = 0

Definition at line 451 of file class.EvalMath.php.

Referenced by pop(), and push().

$stack

array EvalMathStack::$stack = []

Definition at line 450 of file class.EvalMath.php.

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The documentation for this class was generated from the following file:

• Services/Math/classes/class.EvalMath.php