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Editorial Team
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Asked: 2026-06-16T23:41:25+00:00

I have a list of variables which I am using for some PHP functions.

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I have a list of variables which I am using for some PHP functions. I know I can simplify this code but I am not really sure how. I have tried for(){} loops but haven’t figured out how to make the result usable.

HERE ARE MY VARIABLES

    $saveData_1  = post_data($url_1);
    $saveData_2  = post_data($url_2);
    $saveData_3  = post_data($url_3);
    $saveData_4  = post_data($url_4);
    $saveData_5  = post_data($url_5);
    $saveData_6  = post_data($url_6);
    $saveData_7  = post_data($url_7);
    $saveData_8  = post_data($url_8);
    $saveData_9  = post_data($url_9);
    $saveData_10 = post_data($url_10);
    $saveData_11 = post_data($url_11);
    $saveData_12 = post_data($url_12);
    $saveData_13 = post_data($url_13);
    $saveData_14 = post_data($url_14);
    $saveData_15 = post_data($url_15);
    $saveData_16 = post_data($url_16);
    $saveData_17 = post_data($url_17);
    $saveData_18 = post_data($url_18);
    $saveData_19 = post_data($url_19);
    $saveData_20 = post_data($url_20);

HERE IS WHAT I HAVE TRIED

for($i = 0; $i<20; $i++) {
        $saveData = '$saveData_'.$i;
        $postData = 'post_data($url_'.$i.')';   
        print($saveData. '=' .$postData. ';');
    }

This works for the most part, it prints out my list of variables. But what I don’t know, is how to make this usable so instead of printing them to the page being displayed in the browser they will be instead be “printed” to my php script.

Basically my goal is to write the Variables of above without having to actually write a new variable each time.

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1 Answer

  1. Editorial Team

    You need to use arrays. I will type up an example and add it to this comment. But what you want to use is an array variable. One array can hold all this and you can iterate (loop) through it easily.

    Here ya go:

    <?php
/* what the heck?  You need arrays ;-)
$saveData_1  = post_data($url_1);
$saveData_2  = post_data($url_2);
$saveData_3  = post_data($url_3);
$saveData_4  = post_data($url_4);
$saveData_5  = post_data($url_5);
$saveData_6  = post_data($url_6);
$saveData_7  = post_data($url_7);
$saveData_8  = post_data($url_8);
$saveData_9  = post_data($url_9);
$saveData_10 = post_data($url_10);
$saveData_11 = post_data($url_11);
$saveData_12 = post_data($url_12);
$saveData_13 = post_data($url_13);
$saveData_14 = post_data($url_14);
$saveData_15 = post_data($url_15);
$saveData_16 = post_data($url_16);
$saveData_17 = post_data($url_17);
$saveData_18 = post_data($url_18);
$saveData_19 = post_data($url_19);
$saveData_20 = post_data($url_20);
*/



$saveData = array();  // just a formality. You don't need to delcare variable types in PHP.
for ($i = 1; $i < 21; $i++) {
    $var = 'url_'.$i;
    $saveData[$i] = post_data($$var);
}

// now all your stuff is in $saveData
// what's in savedata 20?  this is:
echo $saveData[20];

// you could skip all of this and just use the $_POST superglobal
$_POST[$url_20]

// I'm curious to see what you are doing, because this process should be re-thought.
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