I'm very new to PHP been learning it for the past few weeks. My problem is getting the search results for the form below. I just want the results of the information I put in, example: all the jobs from zipcode 90210. How can I do this. I put the code for the form I am using below.

<form method="post" action="jobsearch_script.php">
<select name="interest" class="main">
<option value="Select">Select
<option value="249-Office/Clerical" class="main">249-Office/Clerical
<option value="299-Retail Sales" class="main">299-Retail Sales
<select name="position" class="main">
<option value="Select">Select
<option value="Accounting Clerk">Accounting Clerk
<option value="Administrative Assistant">Administrative Assistant
<option value="Answering Service">Answering Service

Zip Code: <input type = "text" name="zipcode" size=5 maxlength=5>

City: <input type = "text" name="city" size=20 maxlength=20>
Internship:  Paid<input type = "radio" name="intern" value="Paid">
Non Paid Training<input type = "radio" name="intern" value="Nonpaid">

Enter after date:<input type="text" name="whens" size="10" maxlength="10">(ex. yyyy-mm-dd 2001-02-01 )

<input type="submit" name="submit" value="Search Jobs" class="main">