php - Form writing to mysql database -
i'm working on writing form database, still beginner. attempted form show below seems give me errors. if me find out wrong php code great. in advance:
my form.php
<form method="post" action="db.php" name="overrideform" id="overrideform" autocomplete="on"> <fieldset> <legend>contact details</legend> <div> <label for="name" accesskey="n">first name</label> <input name="name" type="text" id="name" required /> </div> <div> <label for="mname" accesskey="m">middle name</label> <input name="mname" type="text" id="mname" required /> </div> <div> <label for="fname" accesskey="f">last name</label> <input name="fname" type="text" id="fname" required /> </div> <div> <label for="sid" accesskey="i">student id</label> <input name="sid" type="text" id="sid" size="10" required /> </div> <div> <label for="email" accesskey="e">email</label> <input name="email" type="email" id="email" pattern="^[a-za-z0-9](([_\.\-]?[a-za-z0-9]+)*)@([a-za-z0-9]+)(([\.\-]?[a-za-z0-9]+)*)\.([a-za-z]{2,})$" required /> </div> <div> <label for="phone" accesskey="p">phone number</label> <input name="phone" type="text" id="phone" size="8" required /> </div> <div> <label for="sc" accesskey="s">scolarship</label> <select name="sc" id="sc" required="required"> <option value="0">yes</option> <option value="1">no</option> </select> </div> </fieldset> <fieldset> <legend>subject details</legend> <div> <label for="class" accesskey="c">class</label> <input name="class" type="text" id="class" size="50" required /> </div> <div> <label for="section" accesskey="o">section</label> <input name="section" type="text" id="section" size="1" required /> </div> <div> <label for="semester" accesskey="s">semester</label> <select name="semester" id="semester" required="required"> <option value="f15">fall 2015</option> <option value="s15">summer 2015</option> <option value="sp16">spring 2016</option> </select> </div> </fieldset> <input type="submit" class="submit" id="submit" value="submit" /> </form> my db.php
<?php $mysql_host = "localhost"; $mysql_username = "blahblah"; $mysql_password = "blahblah"; $mysql_database = "blahblah"; $mysqli = new mysqli($mysql_host, $mysql_username, $mysql_password, $mysql_database) or die(mysql_error()); $prepare = $mysqli->prepare("insert `overrides`(`name`,`mname`,`fname`,`sid`,`email`,`phone`,`sc`,`class`,`section`,`semester`) values ('$name','$mname','$fname','$sid','$email','$phone','$sc','$class','$section','$semester')"); $prepare->bind_param("ssssssssss", $_post['name'], $_post['mname'], $_post['fname'], $_post['sid'], $_post['email'], $_post['phone'], $_post['sc'], $_post['class'], $_post['section'], $_post['semester']); $prepare->execute(); print_r($_post) ?> error i'm getting is:
warning: mysqli_stmt::bind_param(): number of variables doesn't match number of parameters in prepared statement in /home/aukwizcq/public_html/db.php on line 9 array ( [name] => aaa [mname] => aaa [fname] => aaaa [sid] => 123456 [email] => fgfg@hotmail.com [phone] => 45454 [sc] => 1 [class] => cpeg 340 [section] => 1 [semester] => s15 ) my db structure:
name type collation attributes null default action
1 name varchar(30) latin1_swedish_ci no none change 2 mname varchar(30) latin1_swedish_ci no none change 3 fname varchar(30) latin1_swedish_ci no none change 4 sid varchar(11) latin1_swedish_ci no none change change 5 email varchar(50) latin1_swedish_ci no none change 6 phone int(8) no none change change drop drop 7 sc bit(1) no none change change drop drop 8 class varchar(10) latin1_swedish_ci no none change 9 section int(1) no none change change drop drop 10 semester varchar(11) latin1_swedish_ci no none change
the syntax of prepared statement not right, variables should question marks. should this:
$prepare = $mysqli->prepare("insert `overrides`(`name`,`mname`,`fname`,`sid`,`email`,`phone`,`sc`,`class`,`section`,`semester`) values (?,?,?,?,?,?,?,?,?,?)"); 
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