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Editorial Team
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Editorial Team
Asked: May 27, 20262026-05-27T22:50:49+00:00 2026-05-27T22:50:49+00:00

i have this dynamic textbox, and i want to get value by using class.

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i have this dynamic textbox, and i want to get value by using class. by php

<input id="op1" name="po1" class="key" size="50">
<input id="op2" name="po2" class="key" size="50">
<input id="op3" name="po3" class="key" size="50">
<input id="op4" name="po4" class="max" size="50">
<input id="op5" name="po5" class="key" size="50">
<input id="op6" name="po6" class="lol" size="50">
<input id="op6" name="po6" class="lol" size="50">

in this textbox there are “key”, “max” and “lol” class
How i get value from this all dynamic textbox by using only Class “Key” in php

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1 Answer

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  1. Editorial Team
    Editorial Team
    2026-05-27T22:50:50+00:00Added an answer on May 27, 2026 at 10:50 pm

    I’m unsure what you mean about “using class”, however you can loop the $_POST array to get access to the variables like so:

    // Show the variables
    var_dump($_POST);
    // Loop the variables
    foreach($_POST as $k => $v){
        echo "{$k} = {$v}";
    }
    

    Alternatively you can group your vars together in your HTML like so:

    <input id="op1" name="po[1]" class="key" size="50">
    <input id="op2" name="po[2]" class="key" size="50">
    <input id="op3" name="po[3]" class="key" size="50">
    <input id="op4" name="po[4]" class="key" size="50">
    <input id="op5" name="po[5]" class="key" size="50">
    <input id="op6" name="po[6]" class="key" size="50">
    

    Which then means that PHP sees the POST variable po as an array, like so:

    // Show the variables
    var_dump($_POST);
    // Loop the po variables
    foreach($_POST['po'] as $k => $v){
        echo "{$k} = {$v}";
    }
    
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