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POHtml multiple select field issue with php
 

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    <p>I've a html form with multiple select field. I'm trying to validate it with php. but i can't validate this multiple select field with php. It's show me success message without any validation. </p> <p>Please kindly tell me what's the problem in my code. Thank you. </p> <p><strong>Php Code:</strong></p> <pre><code>&lt;?php if(isset($_POST['Submit']) &amp;&amp; $_POST['Submit'] == "Send SMS") { if(isset($_POST['number'])) $number = $_POST['number']; $msg = inputvalid($_POST['txt']); $err = array(); if(isset($msg) &amp;&amp; isset($number)) { if(empty($msg) &amp;&amp; empty($number)) $err[] = "All field require"; else { if(empty($msg)) $err[] = "Your message require"; if(empty($number)) $err[] = "Select your mobile number"; } } if(!empty($err)) { echo "&lt;div class='error'&gt;"; foreach($err as $er) { echo "&lt;font color=red&gt;$er.&lt;/font&gt;&lt;br/&gt;"; } echo "&lt;/div&gt;"; echo "&lt;br/&gt;"; } else { echo "good"; } } ?&gt; </code></pre> <p><strong>Html Code:</strong></p> <pre><code>&lt;form name="frm" method="post" action="&lt;?php echo htmlspecialchars($_SERVER['PHP_SELF']) ?&gt;"&gt; &lt;table width="800" border="0" cellspacing="10" cellpadding="0"&gt; &lt;tr&gt; &lt;td valign="top"&gt;Number&lt;/td&gt; &lt;td&gt; &lt;select multiple="multiple" size="10" name="number[]"&gt; &lt;option value=""&gt;--Select Member--&lt;/option&gt; &lt;?php $class = mysql_query("SELECT * FROM e_members"); while($res = mysql_fetch_array($class)) { $phone = $res['phone']; ?&gt; &lt;option value="&lt;?php echo $phone; ?&gt;"&gt; &lt;?php echo $phone; ?&gt;&lt;/option&gt; &lt;?php } ?&gt; &lt;/select&gt; &lt;/td&gt; &lt;/tr&gt; &lt;tr&gt; &lt;td valign="top"&gt;Write message&lt;/td&gt; &lt;td&gt; &lt;textarea class="textarea" placeholder="Your message" name="txt" onkeyup="counter(this);"&gt; &lt;?php if(isset($_POST['txt'])) echo $_POST['txt']; ?&gt; &lt;/textarea&gt; &lt;br/&gt; &lt;input type="" name="lbl" style="border:none;"&gt; &lt;br/&gt; &lt;/td&gt; &lt;/tr&gt; &lt;tr&gt; &lt;td&gt;&amp;nbsp;&lt;/td&gt; &lt;td&gt; &lt;input type="submit" name="Submit2" value="Save SMS" class="view"/&gt; &lt;input type="submit" name="Submit" value="Send SMS" class="submit"/&gt; &lt;/td&gt; &lt;/tr&gt; &lt;/table&gt; &lt;/form&gt; </code></pre> <p><strong>Update:</strong></p> <p>After select multiple/single value var_dump showing:</p> <pre><code>array(1) { [0]=&gt; string(13) "8801814758545" } </code></pre> <p>Without select it's showing:</p> <pre><code>NULL </code></pre>
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    1. CO[either use PDO or mysqli .. mysql_* function are deprecated](http://stackoverflow.com/questions/12859942/why-shouldnt-i-use-mysql-functions-in-php/14110189#14110189)
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    2. COPlease post `var_dump($number)`.
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    3. CO@Barmar I'm doing it.
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