[SOLVED] Check for Repeated Entry

oceans · April 25, 2007

Dear People,

May you please help me in “Check for Repeated Entry”.

Situation:

I have 5 TextBoxes, I need to make sure All Entries are NOT the SAME, I should be able to make my own function, but if there is such function in PHP, I can use it before sweating right.

I may appear easy, to process 5 Boxes, it involves creative looping, I believe.

benjaminbeazy · April 25, 2007

$boxes = array('box1' => "$_POST['box1']", 
'box2' => "$_POST['box2']", 
'box3' => "$_POST['box3']", 
'box4' => "$_POST['box4']", 
'box5' => "$_POST['box5']");

$unique = array_unique($boxes);

$count = count($unique);

if($count < 5){
  // this is bad
}else{
  //this is good
}

oceans · April 25, 2007

Dear Friend,

There is a problem,

My code:

"

$boxes = array('Txt1' => "$_POST['Txt1']",

'Txt2' => "$_POST['Txt2']",

'Txt3' => "$_POST['Txt3']",

'Txt4' => "$_POST['Txt4']",

'Txt5' => "$_POST['Txt5']");

$unique = array_unique($boxes);

$count = count($unique);

if($count < 5)

{

// this is bad

echo "Reapeated Entry Found!";

{

else

{

//this is good

echo "Reapeated Entry NOT Found!";

}

"

error on screen

"

Parse error: syntax error, unexpected T_ENCAPSED_AND_WHITESPACE, expecting T_STRING or T_VARIABLE or T_NUM_STRING in C:\wamp\www\MyPHP\Member\Untitled-1.php on line 68

"

I believe you are using "Pointers". I am honest, I am not good at "Pointers", thus I can't understand the error either, can you help me.

sanfly · April 25, 2007

Can you indicate the code from lines 65 - 70 please

benjaminbeazy · April 25, 2007

your {

is backward in

{

else

{

should be

}

else

{

oceans · April 25, 2007

Dear People,

Thanks for the breaces:

My code

"

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

<head>

<title>Untitled Document</title>

</head>

<body>

<?PHP

//Transfer Data from Screen to Memory

$NumberOfTxtBoxes=5;

$NumberOfTxtBoxesToBeFilled=5;

$theValue = "No";

if (isset($_POST['Submit']))

{

for ($i=1; $i<=$NumberOfTxtBoxes; $i++)

{

$InputFromScreen[$i]=strtoupper($_POST["Txt".$i]);

}

else

{

for ($i=1; $i<=$NumberOfTxtBoxes; $i++)

{

$InputFromScreen[$i]="";

}

$boxes = array('Txt1' => "$_POST['Txt1']",

'Txt2' => "$_POST['Txt2']",

'Txt3' => "$_POST['Txt3']",

'Txt4' => "$_POST['Txt4']",

'Txt5' => "$_POST['Txt5']");

$unique = array_unique($boxes);

$count = count($unique);

if($count < 5)

{

// this is bad

echo "Reapeated Entry Found!";

}

else

{

//this is good

echo "Reapeated Entry NOT Found!";

}

?>

<tr>

</tr>

<tr>

</tr>

<tr>

</tr>

<tr>

</tr>

<tr>

</tr>

<tr>

</select></td>

</tr>

<tr>

</select></td>

</tr>

<tr>

<td><?PHP

?></td>

</tr>

<tr>

</tr>

</table>

</form>

</body>

</html>

"

Error on screen

"

Parse error: syntax error, unexpected T_ENCAPSED_AND_WHITESPACE, expecting T_STRING or T_VARIABLE or T_NUM_STRING in C:\wamp\www\MyPHP\Member\Untitled-1.php on line 29

"

sanfly · April 25, 2007

Try replacing this part

 $boxes = array('Txt1' => "$_POST['Txt1']",
   'Txt2' => "$_POST['Txt2']",
   'Txt3' => "$_POST['Txt3']",
   'Txt4' => "$_POST['Txt4']",
   'Txt5' => "$_POST['Txt5']");

with this

 $boxes = array('Txt1' => $_POST['Txt1'],
   'Txt2' => $_POST['Txt2'],
   'Txt3' => $_POST['Txt3'],
   'Txt4' => $_POST['Txt4'],
   'Txt5' => $_POST['Txt5']);

benjaminbeazy · April 25, 2007

yeah. prolly a quote problem

boo_lolly · April 25, 2007

the first thing that comes to mind is a nested foreach loop.

<?php
        $bool = false;
        foreach($_POST as $key1 => $val1){
                foreach($_POST as $key2 => $val2){
                        (($val1 == $val2) ? ($bool == true) : (''));
                }
        }
        echo (($bool == true) ? ("this is bad.\n") : ("this is good"));
?>

but i'm sure there's a much better way to do it. but that should work in the meantime.

EDIT: that will not work because it will always end up comparing itself with itself, so $bool will always eventually be true. i'll edit this post with another function when i figure it out.

i think you had it right with array_unique:

<?php
        if(!array_unique($_POST)){
                echo "not good.\n";
        }else{
                echo "this is acceptable.\n";
        }
?>

oceans · April 25, 2007

SanFly,

Thanks it works,

Boo_Lolly,

I had your idea in my mind "creative looping" but it is a sweat.

benjaminbeazy · April 25, 2007

no thanks needed to the guy who supplied the code...

oceans · April 25, 2007

Dear Benjaminbeazy,

I over looked, thanks for your code.

oceans · April 25, 2007

I have another application problem for this,

How can I make it ignore empty entries, if not, minimum two unfilled entries will fail the test.

benjaminbeazy · April 25, 2007


foreach($boxes as $var => $val){

    if(strlen(ltrim(rtrim($val))) < 1){

        echo "1 or more boxes are empty";

    }

}

oceans · April 25, 2007

Dear Benjaminbeazy,

I think I missleasd you. What I ment was.

Situation:

We have five boxes, three are filled uniquely, the other two left empty.

Your code will respond all the five boxes are not unique, because of the empty boxes.

How can we get arround this "inovating your code" to ignore the boxes if it is empty.

benjaminbeazy · April 25, 2007

so you want it to still be ok if 2 boxes are empty and ther other 3 are unique, right....?

oceans · April 25, 2007

Perfect, ignore all empty entryies, take action only on those filled entries. min number of filled entry=0 max number of filled entry=5

benjaminbeazy · April 25, 2007

i posted the relevant code, u can replace as necessary

foreach($boxes as $var => $val){

    if(strlen(ltrim(rtrim($val))) < 1){

        unset($boxes[$var]);
    }

}

   
if($count(array_unique($boxes)) < count($boxes))
   {
    // this is bad
    echo "Reapeated Entry Found!";
   }
   else
   {
     //this is good
     echo "Repeated Entry NOT Found!";
   }

oceans · April 25, 2007

I tried

"

$boxes = array('Txt1' => $InputFromScreen[1],

'Txt2' => $InputFromScreen[2],

'Txt3' => $InputFromScreen[3],

'Txt4' => $InputFromScreen[4],

'Txt5' => $InputFromScreen[5]);

foreach($boxes as $var => $val)

{

if(strlen(ltrim(rtrim($val))) < 1)

{

unset($boxes[$var]);

}

if($count(array_unique($boxes)) < count($boxes))

{

// this is bad

echo "Reapeated Entry Found!";

}

else

{

//this is good

echo "Repeated Entry NOT Found!";

}

"

error on screen

"

Fatal error: Function name must be a string in C:\wamp\www\MyPHP\Member\Untitled-1.php on line 44

"

line 44 is "if($count(array_unique($boxes)) < count($boxes))"

benjaminbeazy · April 25, 2007

okay then assign the vars before the conditional....

$unique = array_unique($boxes);

$unique = count($unique);

$count = count($boxes);

and change conditional to...

if($unique < $count){

benjaminbeazy · April 25, 2007

actually my bad

dont do all that, just get rid of the $ in front of count in the if statement

i'm tired and not catching little junk like that..

oceans · April 25, 2007

Splandid,

Thanks a million. :-*

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[SOLVED] Check for Repeated Entry

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