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Title : Array Insertion
Categories : PHP, PHP Classes, Arrays Click here to Update Your Picture
Saravanan .R
Date : Sep 30th 2004
Grade : 3 of 5 (graded 7 times)
Viewed : 11924
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Class Name : arrayAll

Function Name : Insert()

Args : 1. <$array> Designation Array
2. <$position> Position to be Insertion
3. <$elements> Elements to be Inserted into the Array

Task : Inserting the No. of Elements in the given Array Postion.

<?php
class arrayAll
{
    var $startError = '<p><b>Warning:</b> Check your input parameters <i><b>';
    var $endError = '</b></i></p>';

    function Insert($array = '', $position = '' , $elements= '')           
    {
        if ($position == '' || $array == '' || $elements == '' || $position < 1 || $position > count($array)+1)
        {
            echo $this->startError . "insert".$this->endError;
        }
        else
        {
            $left = array_slice ($array, 0, $position+1);
            $right = array_slice ($array, $position+1,count($array));

                for($i=1; $i< COUNT($elements) ; $i++)
                {
                        $insert[$i] .= $elements[$i]  ;
                }               
            $array = array_merge ($left, $insert, $right);
            // echo " Left Count : " . COUNT($left) . "<BR>\n";
            // echo " Insert Count : " . COUNT($insert) . "<BR>\n";
            // echo " Right Count : " . COUNT($right) . "<BR>\n";
            unset($left, $right, $insert);
        }
        unset ($position, $elements);
        return $array ;
    }
}
?>



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User Comments
 Joseph Crawford wrote : 1197
nice code now all you need to do is to implement a way to check for duplicate array entries because if there is a duplicate wont it leave the entry out or something?

what if the user wanted duplicates? 		 
 Saravanan .R wrote : 1206
Thanx Joseph. for your comment. Now I have comeup with  solution for your comment. check it out. 		 
 Saravanan .R wrote :1207
&lt;?
/*
 *  Class Name : arrayAll
 *    
 *    Function Name : Insert()
 *
 *        Args      : 1. &lt;$array&gt; Designation Array
 *                    2. &lt;$position&gt; Position to be Insertion
 *                    3. &lt;$elements&gt; Elements to be Inserted into the Array
 *                    4. &lt;$preserveDuplicate&gt; Preserve the Duplicate values [ yes/no ]
 *
 *        Returns   : nothing
 *
 *        Task      : Inserting the No. of Elements in the given Array Postion.
 *
 *        Docs      : Yes
 *
 *****************************************************************************/

class arrayAll
{
    var $startError = `&lt;p&gt;&lt;b&gt;Warning:&lt;/b&gt; Check your input parameters &lt;i&gt;&lt;b&gt;`;
    var $endError = `&lt;/b&gt;&lt;/i&gt;&lt;/p&gt;`;

    function Insert($array = ``, $position = `` , $elements= ``, $preserveDuplicate=`no`)            
    {
        if ($position == `` || $array == `` || $elements == `` || $position &lt; 1 || $position &gt; count($array)+1)
        {
            echo $this-&gt;startError . "insert". $this-&gt;endError;
        }
        else
        {
            $fullArray ="";

            $left = array_slice ($array, 0, $position-1);
            $right = array_slice ($array, $position,count($array));

            if ( strtolower($preserveDuplicate) == "yes" )
            {
                for( $lft =0 ; $lft &lt; $position ; $lft++)
                {
                    $fullArray[] = $array[$lft] ;
                }

                for( $mdl=0 ; $mdl &lt; count($elements); $mdl++)
                {
                    $fullArray[] = $elements[$mdl] ;
                }

                for( $rght = 0 ; $rght &lt; COUNT($right) ; $rght++)
                {
                    $fullArray[] = $right[$rght] ;
                }
            }
            else
                $fullArray = array_merge($left, $elements, $right);


            unset($left, $right, $insert);
        }
        unset ($position, $elements);
        return $fullArray ;
    }
} 
/* 
 *    class arrayAll ends here 
 *****************************************************************************/

Here I have introduce the 4th argument, User can enable to preserve duplicate.
any suggestion or feedback u may mail me : saravanan.r@gmail.com

Thanks
Saravanan.R