3v4l.org

run code in 300+ PHP versions simultaneously

@ 2014-08-29T15:34:34Z

<?php
 class Person
    {   
        function __construct($c)
        {   
            $this->count = $c;
        }       


        function getPrev()
        {       
            return $this->prev; 
        }           

        function setPrev($pr)
        {   
            $this->prev = $pr;
        }   

        function getNext()
        {
            return $this->next;
        }

        function setNext($nxt)
        {
            $this->next = $nxt;
        }

        function shout($shout, $nth)
        {
            if ($shout < $nth)
            {
                return $shout + 1;
            }
            $this->getPrev()->setNext($this->getNext());
            $this->getNext()->setPrev($this->getPrev());
            return 1;
        }
    }

    class Chain
    {
        var $first;

        function __construct($size)
        {
            for($i = 0; $i < $size ; $i++)
            {
                $current = new Person($i);
                if ($this->first == null) $this->first = $current;
                if ($last != null)
                {
                    $last->setNext($current);
                    $current->setPrev($last);
                }
                $last = $current;
            }
            $this->first->setPrev($last);
            $last->setNext($this->first);
        }

        function kill($nth)
        {
            $current = $this->first;
            $shout = 1;
            while($current->getNext() !== $current)
            {
                $shout =  $current->shout($shout,$nth);
                $current = $current->getNext();
            }
            $this->first = $current;
        }
    }

    $start = microtime(true);
    $ITER = 100000;
    for($i = 0 ; $i < $ITER ; $i++)
    {
        $chain = new Chain(40);
        $chain->kill(3);
    }
    $end = microtime(true);
    printf("Time per iteration = %3.2f microsecondsnr",(($end -  $start) * 1000000 / $ITER))

Output for 5.4.0 - 5.4.32: Parse error: syntax error, unexpected end of file in /in/DIRQs on line 84
Process exited with code 255.
Output for 5.1.3 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29: Parse error: syntax error, unexpected $end in /in/DIRQs on line 84
Process exited with code 255.
Output for 5.1.0 - 5.1.2: Strict Standards: var: Deprecated. Please use the public/private/protected modifiers in /in/DIRQs on line 44 Parse error: syntax error, unexpected $end in /in/DIRQs on line 84
Process exited with code 255.
Output for 5.0.0 - 5.0.5: Strict Standards: var: Deprecated. Please use the public/private/protected modifiers in /in/DIRQs on line 44 Parse error: parse error, unexpected $ in /in/DIRQs on line 84
Process exited with code 255.
Output for 4.4.2 - 4.4.9: Parse error: syntax error, unexpected T_OBJECT_OPERATOR in /in/DIRQs on line 36
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1: Parse error: parse error, unexpected T_OBJECT_OPERATOR in /in/DIRQs on line 36
Process exited with code 255.
Output for 4.3.2 - 4.3.4: Parse error: parse error in /in/DIRQs on line 36
Process exited with code 255.

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