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POPosting a submit button value
primarykey
Id
12022401
data
AcceptedAnswerId
12022530
AnswerCount
1
ClosedDate
CommentCount
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CommunityOwnedDate
CreationDate
2012-08-18T21:30:03.273
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2012-08-18T21:58:04.237
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Body
<p>In a form i am making,i need to inform the processing php script what button was clicked.I have three buttons,new,save and delete.I was expecting the form and all the buttons values to be posted but the form + the button clicked only gets posted.I am looking at the html spec here <a href="http://www.w3.org/TR/html401/interact/forms.html#submit-format" rel="nofollow">http://www.w3.org/TR/html401/interact/forms.html#submit-format</a> but i am yet to find some explanation if this should be expected.I have this php script</p> <pre><code><?php /** tpost.php */ //Buttons $new = $_POST['new']; $save = $_POST['save']; $delete = $_POST['delete']; //Error: Notice: Undefined index: save in C:\wamp\www\form-dev\troll.php on line 7 //Forms $city = $_POST['city']; $zip = $_POST['zip']; $cs = $_POST['cs']; //Error: Notice: Undefined index: save in C:\wamp\www\form-dev\troll.php on line 8 //Buttons echo echo '<b>'.$new.'</b>' .'<br/>'; echo '<b>'.$save.'</b>' .'<br/>'; echo '<b>'.$delete.'</b>' .'<br/>'; //Forms echo echo '<b>'.$city.'</b>' .'<br/>'; echo '<b>'.$zip.'</b>' .'<br/>'; echo '<b>'.$cs.'</b>' .'<br/>'; ?> </code></pre> <p>this is the html i am using</p> <pre><code><!Doctype html> <head> <meta charset="uft-8"> <title>Buttons post</title> <script type="text/javascript" src="jquery-1.7.2.min.js"></script> <style type="text/css"> label{ width:15%; float:left; font-style:italic; } </style> <script type="text/javascript"> $(document).ready(function() { $('.inew').on("click",function() { alert('new'); }); $('.isave').on("click",function() { alert('save'); }); $('.idelete').on("click",function() { alert('delete'); }); }); </script> </head> <body> <form action="tpost.php" name="troll" method="post"> <label>Enter Your City</label><input type="text" name="city" value="some-city"/><br/><br/><br/> <label>Enter Your Neighbourhood</label><input type="text" name="zip" value="my-zip" /><br/><br/><br/> <label>Enter Your Nearest Shopping Mall</label><input type="text" name="cs" value="shop-here" /><br/> <br/><hr/><br/> <br/> <hr/> <input class="inew" type="submit" name="new" value="new" /> <input class="isave" type="submit" name="save" value="save" /> <input class="idelete" type="submit" name="delete" value="delete" /> </form> </body> </html> </code></pre> <p>What is the explanation for this?.</p>
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Title
Posting a submit button value
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1. PO
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1. PTQuestion
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1. USGandalf
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