<?php
$x=array("r","a","f","c","s");

shuffle($x);

$z=array_search("c",$x);
unset($x[$z]);
print_r($x);
?>

<?php
function extract1($this)
{
//if i have a parent

    if($this->parent)
    {
        try
        {     //if i can be removed from parent's contents array;
        array_splice($parent->content,$this);// here is doubt.
            }
            catch(Exception $e)
            {
                }

         }
        $lastChild=$this->lastRecursiveChild();
        $nextElement =$lastChild->next;

        if($this->previous)
         {
        $this->previous->next=$nextElement;
     }
        if($nextElement)
         {
        $nextElement->previous=$this->previous;
     }
        $this->previous=null;
        $lastChild->next = Null;
        $this->parent = Null;
        if ($this->previousSibling)
    {
        $this->previousSibling->nextSibling = $this->nextSibling;
        }
    if ($this->nextSibling)
    {
        $this->nextSibling->previousSibling = $this->previousSibling;
    }
    $this->previousSibling = $this->nextSibling = Null;
        return $this;
}
?>

<?php
/* This is the call back for set_error_handler */
function exception_error_handler($severity, $message, $file, $line )
{
    throw new ErrorException($message, 0, $severity, $file, $line);
}

/* Set the new error handler */
set_error_handler('exception_error_handler');

/* Trigger exception, because this function needs more than 0 parameters */
try
{
    min();
}
catch(ErrorException $e)
{
    switch($e->getSeverity())
    {
        case(E_WARNING):
        {
            printf('Warning: %s in %s on line %d', $e->getMessage(), $e->getFile(), $e->getLine());
        }
        break;
        /* ... same for other error levels thats catchable here ... */
    }
}
?>

C:\> php test.php
Warning: min() expects at least 1 parameter, 0 given in C:\test.php on line 14