Ajax POST to Cakephp Controller always give array() result

Question

i really struggle to get the POST value in the controller .i am really new to this..Please someone share me some light..being in the dark for long hours now. i had a checkboxes and need to pass all the ids that had been checked to the controller and use that ids to update my database.i don't know what did i did wrong, tried everything and some examples too like here: sending data via ajax in Cakephp

found some question about same problem too , but not much helping me( or maybe too dumb to understand) . i keep getting array();

please help me..with my codes or any link i can refer to .here my codes: my view script :

<script type="text/javascript"> $(document).ready(function(){ $('.checkall:button').toggle(function(){ $('input:checkbox').attr('checked','checked'); $('#button').click( function (event) { var memoData = []; $.each($("input[name='memo']:checked"), function(){ memoData.push($(this).val()); }); var value = memoData.join(", ") //alert("value are: " + value); //start $.ajax({ type:"POST", traditional:true; data:{value_to_send:data_to_send}, url:"../My/deleteAll/", success : function(data) { alert(value);// will alert "ok" }, error : function() { alert("false submission fail"); } }); //end } ); //end of button click },function(){//uncheck $('input:checkbox').removeAttr('checked'); }); });

my controller :

public function deleteAll(){ if( $this->request->is('POST') ) { // echo $_POST['value_to_send']; //echo $value = $this->request->data('value_to_send'); //or debug($this->request->data);exit; } }

and result of this debug is:

\app\Controller\MyController.php (line 73) array()

Please help me.Thank you so much

You write in ajax data:{value_to_send:data_to_send}, , Are you putting data_to_send the value? Where var value = memoData.join(", "); — Pradeep Singh
– Pradeep Singh, Commented May 27, 2016 at 4:44
oh sorry about that, it supposed to be a data:{value_to_send:value}. i was playing around with the codes before. but still the problem is there. everytime i debug, its look like there's nothing have been pass to the controller...:( — winwizardy
– winwizardy, Commented May 27, 2016 at 6:06

Jacek B Budzynski · Accepted Answer · 2016-05-27 07:10:25Z

How about this:

Jquery:

$(document).ready(function() { $('.checkall:button').toggle(function() { $('input:checkbox').attr('checked','checked'); $('#button').click(function(event) { var memoData = []; $.each($("input[name='memo']:checked"), function(){ memoData.push($(this).val()); }); //start $.ajax({ type: 'POST', url: '../My/deleteAll/', data: {value_to_send: memoData}, success : function(data) { alert(data);// will alert "ok" }, error : function() { alert("false submission fail"); } });//end ajax }); //end of button click },function(){//uncheck $('input:checkbox').removeAttr('checked'); }); });

In controller:

public function deleteAll() { $this->autoRender = false; if($this->request->is('Ajax')) { //<!-- Ajax Detection $elements = explode(",", $_POST['value_to_send']); foreach($elements as $element) { //find and delete } } }

hello sir, Thank you so mch for helping me.i try your solution and with the couple of modification on the codes, i manage to get those data passed to my controller. But i have some question to ask , how can i do the find and delete on the foreach($elements as $element)? . i am sorry, i really lost when its come to this.Thanks again
The best way would be to pass ids ($elements = ['1','3','6',...]) and then only you would have to search by id. $post = $this->Posts->get($element) If it´s not, then just find element by some thing e.g: 'name' $post = $this->Posts->find()->where(['name' => $element])->first() Now you can delete element. $this->Posts->delete($post)
Thank you so much sir for helping me to understand this. after fixing and modified the code as needed, i manage to get it work :)

Pradeep Singh · Accepted Answer · 2016-05-27 06:29:22Z

0

You need to set the data type as json in ajax call

JQUERY CODE:

$.ajax({ url: "../My/deleteAll/", type: "POST", dataType:'json', data:{value_to_send:data_to_send}, success: function(data){ } });

answered May 27, 2016 at 6:29

Pradeep Singh

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1 Comment

winwizardy Over a year ago

Thank you so much for this, i tried this, but somehow its still gave me an error." false submission fail". when i debug with chrome i catch this error : message : "Unexpected token i in JSON at position 0" . so tried the solution above and modified a bit and it goes ok without problem.

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