array

derrick katungi · August 23, 2011

<?php

echo = ' <form id="form1" name="form1" method="post" action="try.php">

</td></tr></table></form>';

for($i = 1; $i <= 5; $i++)

{

$in[$a._.$i] = $_POST['.$a._.$i.'];

}

var_dump($in);

?>

Help::::

i want the array $in[$a._.$i] to store the values that will be typed into the form.

$a = 1 and $i is variable that changes according to the for loop.

currently the var_dump($in) returns null.

voip03 · August 23, 2011

echo =

syntax error, unexpected '='

you need submit button

derrick katungi · August 23, 2011

<?php

echo ' <form id="form1" name="form1" method="post" action="try.php">

</td></tr></table></form>';

if($_POST['submit'])

{

for($i = 1; $i <= 5; $i++)

{

$in[$a._.$i] = $_POST['.$a._.$i.'];

}

var_dump($in);

?>

Help::::

i want the array $in[$a._.$i] to store the values that will be typed into the form.

$a = 1 and $i is variable that changes according to the for loop.

currently the var_dump($in) returns null.

when the submit button is clicked, it shows you the content in the array.

WebStyles · August 23, 2011

I really don't know what you mean. Are you just trying to add an underscore between $a and $i ?

then try this:

<?php

echo '<form id="form1" name="form1" method="post" action="try.php">
                 <table width="454" border="0">
       <td width="153">
         <label><input type="text" name="'.$a.'_'.$i.'" /></label></td>   
            </td></tr></table></form>';
               
          foreach($in = 1; $i <= 5; $i++)
      {
         $in[$a.'_'.$i]  = $_POST[$a.'_'.$i];
      
      }
      var_dump($in);

?>

PFMaBiSmAd · August 23, 2011

Your $a variable is not set to anything, so of course var_dump($in) returns null.

Anyways, you should be using an array name for your form fields, rather than trying to make a series of named/numbered fields - http://www.php.net/manual/en/faq.html.php#faq.html.arrays

derrick katungi · August 23, 2011

<!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>

<!--

body {

background-color:#666666;

}

-->

</style></head>

<body>

<div style="width:800px;height:auto;

-webkit-border-radius: 41px 42px 44px 41px;

-moz-border-radius: 41px 42px 44px 41px;

border-radius: 41px 42px 44px 41px;

border: 6px solid #FFFFFF;

background-color:#FFFF66;">

<tr>

<td width="83">First Number </td>

</tr>

</table>

</form>

</div>

<p>

<?php

error_reporting(0);

$number1 = $_POST['fno1'];

$inputText = "input";

echo '<p>&nbsp </p>';

echo '<table width="" border="1">';

echo '<tr><td width="147">num1</td>';

echo '<td width="147">num2</td>';

echo '<td width="147">num3</td></tr></table>';

// loop for producing the required number of inputs

echo '<form id="form1" name="form1" method="post" action="">';

echo '<table width="454" border="1">';

for($i = 1; $i <= $number1; $i++)

{

$input = 0;

$x = 0;

$a = 1;

$b = 2;

$c = 3;

echo '<tr><td width="144" height="">';

echo '<input type="text" name="'.$inputText.$a.'_'.$i.'" /></td>';

echo '<td width="144">';

echo '<input type="text" name="'.$inputText.$b.'_'.$i.'" /></td>';

echo '<td width="29">';

echo '<input type="text" name="'.$inputText.$c.'_'.$i.'" />';

echo '</td></tr>';

}

echo '<form id="form2" name="form2" method="post" action="process.php">';

echo '<tr><td width="29" colspan="3" align="right">';

echo '<input type="submit" name="button" id="button" value="Evaluate" />';

echo '</td></tr></form>';

echo '<p>&nbsp </p>';

if($_POST['button'])

{

for($i = 1; $i <= $number1; $i++)

{

$in[$inputText.$a.'_'.$i] = $_POST[$inputText.$a.'_'.$i];

$out[$inputText.$b.'_'.$i] = $_POST[$inputText.$b.'_'.$i];

$num[$inputText.$c.'_'.$i] = $_POST[$inputText.$c.'_'.$i];

}

print_r($in);

echo "<br>";

print_r($out);

echo "<br>";

print_r($num);

echo "<br>";

var_dump($in);

var_dump($out);

var_dump($num);

}

?>

</div>

</body>

</html>

this is the whole code. i want 3 arrays to store data that will be input in the 3 columns i.e.

-the first column should have its own array.

-the second column should have its own array.

-the third column should have its own array.

i hope its more clear now.

PFMaBiSmAd · August 24, 2011

error_reporting(0);

Setting error reporting to zero is hiding the error messages that would help you find the problems in your code.

When learning php, developing php code, or debugging php code, you should have error_reporting set to E_ALL and display_errors set to ON so that all the php detected errors will be reported and displayed.

derrick katungi · August 25, 2011

thanks Guru...

this code stores input in an array and then outputs the contents..

<?php

if($_POST['submit'])

{

var_dump($_POST);

$inn = $_POST['$in'];

print_r($inn);

echo "<br>";

print_r($inn[1]);

}

?>

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