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Asked: 2026-06-12T19:05:56+00:00

I have a script in PHP where I need to detect which button was

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I have a script in PHP where I need to detect which button was pressed in a HTML page. I have found lots of similar questions asked by other people, but I am having problems.

HTML

<form method="post" action="kode/kode_newsletter_operation.php" id="newsletter_step3Form">
                    <p>
                        <label>Schedule newsletter:</label>
                        <select name="send_date_month" id="send_date_month">
                            <option value="01">January</option>
                            <option value="02">February</option>
                            <option value="03">March</option>
                            <option value="04">April</option>
                            <option value="05">May</option>
                            <option value="06">June</option>
                            <option value="07">July</option>
                            <option value="08">August</option>
                            <option value="09">September</option>
                            <option value="10">October</option>
                            <option value="11">November</option>
                            <option value="12">December</option>
                        </select>
                        -
                        <select name="send_date_day" id="send_date_day">
                            <option value="01">1</option>
                            <option value="02">2</option>
                            <option value="03">3</option>
                            <option value="04">4</option>
                            <option value="05">5</option>
                            <option value="06">6</option>
                            <option value="07">7</option>
                            <option value="08">8</option>
                            <option value="09">9</option>
                            <option value="10">10</option>
                            <option value="11">11</option>
                            <option value="12">12</option>
                            <option value="13">13</option>
                            <option value="14">14</option>
                            <option value="15">15</option>
                            <option value="16">16</option>
                            <option value="17">17</option>
                            <option value="18">18</option>
                            <option value="19">19</option>
                            <option value="20">20</option>
                            <option value="21">21</option>
                            <option value="22">22</option>
                            <option value="23">23</option>
                            <option value="24">24</option>
                            <option value="25">25</option>
                            <option value="26">26</option>
                            <option value="27">27</option>
                            <option value="28">28</option>
                            <option value="29">29</option>
                            <option value="30">30</option>
                            <option value="31">31</option>
                        </select>
                        -
                        <select name="send_date_year" id="send_date_year">
                            <option value='2012'>2012</option><option value='2013'>2013</option>                                </select>&nbsp;
                            <select name="send_date_hour" id="send_date_hour">
                                <option value="00">0</option>
                                <option value="01">1</option>
                                <option value="02">2</option>
                                <option value="03">3</option>
                                <option value="04">4</option>
                                <option value="05">5</option>
                                <option value="06">6</option>
                                <option value="07">7</option>
                                <option value="08">8</option>
                                <option value="09">9</option>
                                <option value="10">10</option>
                                <option value="11">11</option>
                                <option value="12">12</option>
                                <option value="13">13</option>
                                <option value="14">14</option>
                                <option value="15">15</option>
                                <option value="16">16</option>
                                <option value="17">17</option>
                                <option value="18">18</option>
                                <option value="19">19</option>
                                <option value="20">20</option>
                                <option value="21">21</option>
                                <option value="22">22</option>
                                <option value="23">23</option>
                            </select>:<select name="send_date_min" id="send_date_min">
                                <option value="00">00</option>
                                <option value="00">05</option>
                                <option value="10">10</option>
                                <option value="00">15</option>
                                <option value="20">20</option>
                                <option value="00">25</option>
                                <option value="30">30</option>
                                <option value="00">35</option>
                                <option value="40">40</option>
                                <option value="00">45</option>
                                <option value="50">50</option>
                                <option value="00">55</option>
                            </select>
                            <div>Server Time: October 12, 2012 04:54</div>
                        </p>
                        <p>
                            <label for="send_date">Preview in Email:</label>
                            <input type="text" id="preview_email"  value="" name="preview_email" />
                            <input type="button" id="preview_btn" name="preview_btn" class="btn btn_red" onclick="previewSendMail(1)" value="Send Preview"/>
                        </p>
                        <p>&nbsp; </p>
                        <div id="kode_result"></div>
                        <div id="content_buttons">
                            <input type="button" class="btn btn_blue big" name="goback" value="Last Step" onclick="window.location.href='./newsletter_create_step2.php?id=1'" />
                            <input type="submit" name="submit_btn_now" value="Send now!" class=" btn btn_red big"/>
                            <input type="submit" name="submit_btn" value="Schedule" class=" btn btn_green big"/>
                            <input name="action" type="hidden" value="newsletter_step3" />
                            <input type="hidden" name="newsletter_id" id="newsletter_id" value="1"/>
                        </div>
                    </form>

PHP

print_r($_POST);

Output

Array(
[send_date_month] => 10
[send_date_day] => 12
[send_date_year] => 2012
[send_date_hour] => 01
[send_date_min] => 50
[preview_email] =>
[action] => newsletter_step3
[newsletter_id] => 1
)

Both buttons are inside the <form> tag but the $_POST array doesn’t include any info about them. What am I doing wrong? Do the most recent browsers send no information about the submit button or am I missing something?
I have no skills in javascript to develop a workaround for this, I only know PHP.

Thanks in advance.

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1 Answer

  1. Editorial Team

    Do you have JQuery or any other JS libraries running on your form? They tend to take over the submit event and thus the submit doesn’t come from the actual submit input. Try it without a js library?

    EDIT: Here is a work around:

    $('#submit_btn_now').on('click', function() {
    var hiddensubmit=document.createElement('input');
    hiddensubmit.value = this.value;
    hiddensubmit.name = this.name;
    hiddensubmit.setAttribute('hidden','hidden');
    $('#newsletter_step3Form').append(hiddensubmit);
    $('#newsletter_step3Form').submit()
    return false;
});
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