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POHow to use " if(!empty($_POST[' .... '])){$.... = '-';} "?
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  1. POHow to use " if(!empty($_POST[' .... '])){$.... = '-';} "?
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    copied!<p>I do not understand why my code 'seems' to be incorrect.</p> <p>I got my .html form, like this:</p> <p>Part of my form:</p> <pre><code>&lt;input type="radio" name="going_to_order" value="Yes" id="going_to_order_yes"/&gt; Ja &lt;input type="radio" name="going_to_order" value="No" id="going_to_order_no"/&gt; nee </code></pre> <p>Part of my .js (Jquery)</p> <pre><code>$.post('mail.php', {going_to_order:$("input[name=going_to_order]:checked").val()}, </code></pre> <p>Part of my mail.php</p> <pre><code>$going_to_order = htmlspecialchars($_POST['going_to_order']); if(!empty($_POST['going_to_order'])){$going_to_order = 'xxx';} $message .= "&lt;tr&gt;&lt;td&gt;&lt;strong&gt;Is going to order?&lt;/strong&gt; &lt;/td&gt;&lt;td&gt;" . $going_to_order . "&lt;/td&gt;&lt;/tr&gt;"; </code></pre> <p>If I comment out the <code>if(!empty))</code> line, i get the correct values <code>Yes</code> or <code>No</code>, but when leaving the radio button blank I get an <code>undefined</code> post.</p> <p>When the <code>if(!empty))</code> line is enabled, I only get the <code>xxx</code> value, regardless of whether or not the radio button is selected.</p> <p>Please help me to use <code>if(!empty))</code> correctly so that when a radio is selected I get the value, but if left blank, I don't see <code>undefined</code>.</p> <hr> <p>Edit: The PHP Code:</p> <pre><code>&lt;?php // Collect 'Algemeen' $algemene_rating = htmlspecialchars($_POST['algemene_rating']); $gevonden_wat_u_zocht = htmlspecialchars($_POST['gevonden_wat_u_zocht']); $gaat_u_bestellen = htmlspecialchars($_POST['gaat_u_bestellen']); $wat_zocht_u = htmlspecialchars($_POST['wat_zocht_u']); $feedback_motivatie = htmlspecialchars($_POST['feedback_motivatie']); // Collect 'Fout' $fout_op_website = htmlspecialchars($_POST['fout_op_website']); $url_van_foutpagina = htmlspecialchars($_POST['url_van_foutpagina']); $fouturl_op_website = htmlspecialchars($_POST['fouturl_op_website']); $feedback_fout = htmlspecialchars($_POST['feedback_fout']); // Collect 'Compliment' $compliment_over_website = htmlspecialchars($_POST['compliment_over_website']); $feedback_compliment = htmlspecialchars($_POST['feedback_compliment']); // Collect 'Suggestie' $suggestie_geven = htmlspecialchars($_POST['suggestie_geven']); if ($_POST['suggestie_dienstverlening'] == "true") {$suggestie_onderwerp_01 .= "&lt;li&gt; Dienstverlening &lt;/li&gt;";} if ($_POST['suggestie_opmaak'] == "true") {$suggestie_onderwerp_02 .= "&lt;li&gt; Opmaak &lt;/li&gt;";} if ($_POST['suggestie_functionaliteit'] == "true") {$suggestie_onderwerp_03 .= "&lt;li&gt; Functionaliteit &lt;/li&gt;";} if ($_POST['suggestie_site_inhoud'] == "true") {$suggestie_onderwerp_04 .= "&lt;li&gt; Site inhoud &lt;/li&gt;";} if ($_POST['suggestie_anders'] == "true") {$suggestie_onderwerp_05 .= "&lt;li&gt; Anders.. &lt;/li&gt;";} $feedback_suggestie = htmlspecialchars($_POST['feedback_suggestie']); // Collect 'Inhoud' $feedback_over_inhoud = htmlspecialchars($_POST['feedback_over_inhoud']); $feedback_over_inhoud_url = htmlspecialchars($_POST['feedback_over_inhoud_url']); $feedback_over_inhoud_url_klopt = htmlspecialchars($_POST['feedback_over_inhoud_url_klopt']); if ($_POST['inhoud_onjuiste_tekst'] == "true") {$inhoud_onderwerp_01 .= "&lt;li&gt; Onjuiste Tekst &lt;/li&gt;";} if ($_POST['inhoud_schending_copyright'] == "true") {$inhoud_onderwerp_02 .= "&lt;li&gt; Schending Copyright &lt;/li&gt;";} if ($_POST['inhoud_ontbrekende_tekst'] == "true") {$inhoud_onderwerp_03 .= "&lt;li&gt; Ontbrekende Tekst &lt;/li&gt;";} if ($_POST['inhoud_anders'] == "true") {$inhoud_onderwerp_04 .= "&lt;li&gt; Anders.. &lt;/li&gt;";} $feedback_inhoud_tekst = htmlspecialchars($_POST['feedback_inhoud_tekst']); // Collect 'Producten' $feedback_producten = htmlspecialchars($_POST['feedback_producten']); $feedback_over_inhoud_url_klopt = htmlspecialchars($_POST['feedback_over_inhoud_url_klopt']); if ($_POST['product_onjuiste_ontbrekende_beschrijving'] == "true") {$product_onderwerp_01 .= "&lt;li&gt; Onjuiste of ontbrekende tekst &lt;/li&gt;";} if ($_POST['product_fout_op_de_productpagina'] == "true") {$product_onderwerp_02 .= "&lt;li&gt; Fout op de productpagina &lt;/li&gt;";} if ($_POST['product_missend_product'] == "true") {$product_onderwerp_03 .= "&lt;li&gt; Missend product &lt;/li&gt;";} if ($_POST['product_anders'] == "true") {$product_onderwerp_04 .= "&lt;li&gt; Anders.. &lt;/li&gt;";} $feedback_over_producten = htmlspecialchars($_POST['feedback_over_producten']); // if Collect '' = empty //if(empty($_POST['algemene_rating'])){$algemene_rating = '-';} //if(empty($_POST['gevonden_wat_u_zocht'])){$gevonden_wat_u_zocht = '-';} //if(empty($_POST['gaat_u_bestellen'])){$gaat_u_bestellen = '-';} //if(empty($_POST['fout_op_website'])){$fout_op_website = '-';} //if(empty($_POST['fouturl_op_website'])){$fouturl_op_website = '-';} //if(empty($_POST['compliment_over_website'])){$compliment_over_website = '-';} //if(empty($_POST['suggestie_geven'])){$suggestie_geven = '-';} //if(empty($_POST['feedback_over_inhoud'])){$feedback_over_inhoud = '-';} //if(empty($_POST['feedback_over_inhoud_url_klopt'])){$feedback_over_inhoud_url_klopt = '-';} //if(empty($_POST['feedback_producten'])){$feedback_producten = '-';} //Collect 'Emailadres' $email = htmlspecialchars($_POST['email']); // Collect: 'Attributes' $tijd = time(); $datum = strftime("%d/%m/%y %H:%M", $tijd); $ip = getenv("REMOTE_ADDR"); // Collect 'Mail info' $headers = 'MIME-Version: 1.0' . "\r\n"; $headers .= 'Content-type: text/html; charset=iso-8859-1' . "\r\n"; // Het bericht voor de ontvanger $message = '&lt;html&gt;&lt;body&gt;'; $message .= '&lt;table rules="all" style="background-color:#F8F8F8; width:600px; font-family:arial; font-size:11px; valign:top"&gt;'; $message .= '&lt;table rules="all" border="1px solid #666666" style="background-color:#F8F8F8; width:600px; font-family:arial; font-size:11px;"&gt;'; $message .= '&lt;td style="width:200px;" /&gt;&lt;/td&gt;'; $message .= "&lt;tr&gt;&lt;td&gt;&lt;strong&gt;&lt;/strong&gt; &lt;/td&gt;&lt;td&gt;&lt;h3&gt;Feedbackformulier Multihout.nl&lt;/h3&gt;&lt;/td&gt;&lt;/tr&gt;"; // 'Attributes' $message .= "&lt;tr&gt;&lt;td&gt;&lt;hr/&gt;&lt;/td&gt;&lt;td&gt;&lt;hr/&gt;&lt;/td&gt;&lt;/tr&gt;"; $message .= "&lt;tr&gt;&lt;td&gt;&lt;strong&gt;Feedback datum:&lt;/strong&gt; &lt;/td&gt;&lt;td&gt; " . $datum . "&lt;/td&gt;&lt;/tr&gt;"; $message .= "&lt;tr&gt;&lt;td&gt;&lt;strong&gt;Feedback e-mailadres:&lt;/strong&gt; &lt;/td&gt;&lt;td&gt; " . $email . "&lt;/td&gt;&lt;/tr&gt;"; $message .= "&lt;tr&gt;&lt;td&gt;&lt;strong&gt;Feedback IP-adres:&lt;/strong&gt; &lt;/td&gt;&lt;td&gt; " . $ip . "&lt;/td&gt;&lt;/tr&gt;"; // 'Algemeen' $message .= "&lt;tr&gt;&lt;td&gt;&lt;hr/&gt;&lt;/td&gt;&lt;td&gt;&lt;hr/&gt;&lt;/td&gt;&lt;/tr&gt;"; $message .= "&lt;tr&gt;&lt;td&gt;&lt;strong&gt;Algemene rating van de site:&lt;/strong&gt; &lt;/td&gt;&lt;td&gt;" . $algemene_rating . "&lt;/td&gt;&lt;/tr&gt;"; $message .= "&lt;tr&gt;&lt;td&gt;&lt;strong&gt;Gevonden wat hij/zij zocht: &lt;/td&gt;&lt;td&gt;" . $gevonden_wat_u_zocht . "&lt;/td&gt;&lt;/tr&gt;"; $message .= "&lt;tr&gt;&lt;td&gt;&lt;strong&gt;Gaat de klant bestellen?&lt;/strong&gt; &lt;/td&gt;&lt;td&gt;" . $gaat_u_bestellen . "&lt;/td&gt;&lt;/tr&gt;"; $message .= "&lt;tr&gt;&lt;td&gt;&lt;strong&gt;De klant zocht naar:&lt;/strong&gt; &lt;/td&gt;&lt;td&gt;" . $wat_zocht_u . "&lt;/td&gt;&lt;/tr&gt;"; $message .= "&lt;tr&gt;&lt;td&gt;&lt;strong&gt;Feedback om niet te bestellen:&lt;/strong&gt; &lt;/td&gt;&lt;td&gt;" . $feedback_motivatie . "&lt;/td&gt;&lt;/tr&gt;"; // 'Fout' $message .= "&lt;tr&gt;&lt;td&gt;&lt;hr/&gt;&lt;/td&gt;&lt;td&gt;&lt;hr/&gt;&lt;/td&gt;&lt;/tr&gt;"; $message .= "&lt;tr&gt;&lt;td&gt;&lt;strong&gt;Fout op de website?&lt;/strong&gt; &lt;/td&gt;&lt;td&gt;" . $fout_op_website . "&lt;/td&gt;&lt;/tr&gt;"; $message .= "&lt;tr&gt;&lt;td&gt;&lt;strong&gt;Feedback over URL:&lt;/strong&gt; &lt;/td&gt;&lt;td&gt;" . $url_van_foutpagina . "&lt;/td&gt;&lt;/tr&gt;"; $message .= "&lt;tr&gt;&lt;td&gt;&lt;strong&gt;URL correct:&lt;/strong&gt; &lt;/td&gt;&lt;td&gt;" . $fouturl_op_website . "&lt;/td&gt;&lt;/tr&gt;"; $message .= "&lt;tr&gt;&lt;td&gt;&lt;strong&gt;Feedback op de fout:&lt;/strong&gt; &lt;/td&gt;&lt;td&gt;" . $feedback_fout . "&lt;/td&gt;&lt;/tr&gt;"; // 'Compliment' $message .= "&lt;tr&gt;&lt;td&gt;&lt;hr/&gt;&lt;/td&gt;&lt;td&gt;&lt;hr/&gt;&lt;/td&gt;&lt;/tr&gt;"; $message .= "&lt;tr&gt;&lt;td&gt;&lt;strong&gt;Is er een compliment?&lt;/strong&gt; &lt;/td&gt;&lt;td&gt;" . $compliment_over_website . "&lt;/td&gt;&lt;/tr&gt;"; $message .= "&lt;tr&gt;&lt;td&gt;&lt;strong&gt;De compliment:&lt;/strong&gt; &lt;/td&gt;&lt;td&gt;" . $feedback_compliment . "&lt;/td&gt;&lt;/tr&gt;"; // Collect 'Suggestie' $message .= "&lt;tr&gt;&lt;td&gt;&lt;hr/&gt; &lt;/td&gt;&lt;td&gt;&lt;hr/&gt;&lt;/td&gt;&lt;/tr&gt;"; $message .= "&lt;tr&gt;&lt;td&gt;&lt;strong&gt;Een suggestie?&lt;/strong&gt; &lt;/td&gt;&lt;td&gt;" . $suggestie_geven . "&lt;/td&gt;&lt;/tr&gt;"; $message .= "&lt;tr&gt;&lt;td&gt;&lt;strong&gt;Onderwerp suggestie:&lt;/strong&gt; &lt;/td&gt;&lt;td&gt;" . $suggestie_onderwerp_01 ."". $suggestie_onderwerp_02 ."". $suggestie_onderwerp_03 ."". $suggestie_onderwerp_04 ."". $suggestie_onderwerp_05 ."&lt;/td&gt;&lt;/tr&gt;"; $message .= "&lt;tr&gt;&lt;td&gt;&lt;strong&gt;De suggestie:&lt;/strong&gt; &lt;/td&gt;&lt;td&gt;" . $feedback_suggestie . "&lt;/td&gt;&lt;/tr&gt;"; // Collect 'Inhoud' $message .= "&lt;tr&gt;&lt;td&gt;&lt;hr/&gt;&lt;/td&gt;&lt;td&gt;&lt;hr/&gt;&lt;/td&gt;&lt;/tr&gt;"; $message .= "&lt;tr&gt;&lt;td&gt;&lt;strong&gt;Feedback over de inhoud?&lt;/strong&gt; &lt;/td&gt;&lt;td&gt;" . $feedback_over_inhoud . "&lt;/td&gt;&lt;/tr&gt;"; $message .= "&lt;tr&gt;&lt;td&gt;&lt;strong&gt;Feedback over URL:&lt;/strong&gt; &lt;/td&gt;&lt;td&gt;" . $feedback_over_inhoud_url . "&lt;/td&gt;&lt;/tr&gt;"; $message .= "&lt;tr&gt;&lt;td&gt;&lt;strong&gt;URL correct:&lt;/strong&gt; &lt;/td&gt;&lt;td&gt;" . $feedback_over_inhoud_url_klopt . "&lt;/td&gt;&lt;/tr&gt;"; $message .= "&lt;tr&gt;&lt;td&gt;&lt;strong&gt;Feedback onderwerp:&lt;/strong&gt; &lt;/td&gt;&lt;td&gt;" . $inhoud_onderwerp_01 ."". $inhoud_onderwerp_02 ."". $inhoud_onderwerp_03 ."". $inhoud_onderwerp_04 ."&lt;/td&gt;&lt;/tr&gt;"; $message .= "&lt;tr&gt;&lt;td&gt;&lt;strong&gt;Feedback over inhoud:&lt;/strong&gt; &lt;/td&gt;&lt;td&gt;" . $feedback_inhoud_tekst . "&lt;/td&gt;&lt;/tr&gt;"; // Collect 'producten' $message .= "&lt;tr&gt;&lt;td&gt;&lt;hr/&gt;&lt;/td&gt;&lt;td&gt;&lt;hr/&gt;&lt;/td&gt;&lt;/tr&gt;"; $message .= "&lt;tr&gt;&lt;td&gt;&lt;strong&gt;Feedback over producten?:&lt;/strong&gt; &lt;/td&gt;&lt;td&gt;" . $feedback_producten . "&lt;/td&gt;&lt;/tr&gt;"; $message .= "&lt;tr&gt;&lt;td&gt;&lt;strong&gt;Feedback onderwerp:&lt;/strong&gt; &lt;/td&gt;&lt;td&gt;" . $product_onderwerp_01 ."". $product_onderwerp_02 ."". $product_onderwerp_03 ."". $product_onderwerp_04 ."&lt;/td&gt;&lt;/tr&gt;"; $message .= "&lt;tr&gt;&lt;td&gt;&lt;strong&gt;Feedback over product:&lt;/strong&gt; &lt;/td&gt;&lt;td&gt;" . $feedback_over_producten . "&lt;/td&gt;&lt;/tr&gt;"; $message .= "&lt;tr&gt;&lt;td&gt;&lt;hr/&gt;&lt;/td&gt;&lt;td&gt;&lt;hr/&gt;&lt;/td&gt;&lt;/tr&gt;"; $message .= "&lt;/table&gt;"; $message .= "&lt;/body&gt;&lt;/html&gt;"; // Gedeelte voor het verzenden van het bericht $mailadres = "xx@mxx"; $message = str_replace ("&lt;br&gt;","\n", $message); $headers .= "From: xx &lt;xx@exx.nl&gt;" . "\r\n"; mail("$mailadres", "Nieuw bericht via mailformulier", $message, $headers); ?&gt; &lt;!--Display a thankyou message in the callback --&gt; &lt;div id="mail_response"&gt; &lt;h3&gt;Thank you &lt;?php echo $name ?&gt;!&lt;/h3&gt;&lt;br /&gt; &lt;p&gt;I will answer your message soon as possible.&lt;/p&gt;&lt;br /&gt;&lt;br /&gt;&lt;br /&gt; &lt;h5&gt;Message sent on: &lt;/h5&gt; &lt;p&gt;&lt;?php ?&gt;&lt;/p&gt; &lt;/div&gt; </code></pre>
 

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