Include single quote to string
问题 I want to have a dropdown from MySQL data where I want <option value ='and acode ='Aircraft1''> , including the two single quotes to pass it into a query. I'm including backslash already but it's not working. What's wrong with my code? <?php $asql = "SELECT * FROM aircraft"; $aresult = mysql_query($asql); ?> Aircraft: <select name="aircraft"> <option value="and (acode = 'RP-C1086' or acode='RP-C1728')" checked/>All</option> <?php while($arow=mysql_fetch_array($aresult)) { echo "<option value=