$somedata = Indicator::all();
$indicators = [];
// ... (re-structure the data; rows to columns)
$indicators[] = ['a'=>'2016', 'b'=>'2017', 'c'=>'2018'];
$indicators[] = ['a'=>'1232', 'b'=>'3242', 'c'=>'5467'];
$indicators[] = ['a'=>'1232', 'b'=>'3242', 'c'=>'5467'];
$indicators[] = ['a'=>'closed', 'b'=>'closed', 'c'=>'open'];>
// ??? How to form a valid object to send ???
return view('indicators.index')->with(['indicators'=> $indicators]);
I select data. I change the structure for displaying it; but cannot find the correct structure to then pass in my response.
The view throws the error "Trying to get property of non-object (View: "
(I looked at the dump of Indicator::all(); and wonder if I have the right/wrong approach)
// noob
You're returning an array, I image you are probably trying to access an index using object notation like:
$val->prop
when it should be:
$val['prop']
Indicator::all() returns a collection of objects which you're not using in your view.
As an aside, Laravel collections have some handy helper functions to work with result sets. You may be interested in:
https://laravel.com/docs/5.5/collections#method-map
As $indicators is an array so you have to use [''] instead of -> to access its data.
Related
I have a Laravel site I am modifying, but there are some parts of the PHP code I don't quite understand, which are "array objects" or "object arrays". You see, I don't even know what to call them and so can't find a tutorial or basic data on it. Below is the code that I am dealing with:
private function parseMetric($result, $view)
{
$data = collect([]);
$result->each(function($item) use ($data, $view) {
if (isset($item->metric->{$view})) {
$data->push((object)[
'label' => $item->metric->{$view},
'value' => $item->metric->count
]);
}
});
...
From what I can tell, this creates an object out of $result. If I json_encode this and echo it out I get this:
[{"label":"1k-25k","value":14229},
{"label":"1mm+","value":1281},
{"label":"25k-50k","value":398},
{"label":"50k-75k","value":493},
{"label":"75k-100k","value":3848},
{"label":"100k-150k","value":9921},
{"label":"150k-200k","value":4949},
{"label":"200k-250k","value":3883},
{"label":"250k-300k","value":2685},
{"label":"300k-350k","value":2744},
{"label":"350k-500k","value":4526},
{"label":"500k-1mm","value":8690}]
Now this is obviously an array of arrays... or is it? Is it an array of objects? Or is it an object containing arrays? But the most important question is, how do I access and move or change the individual objects/arrays in this object? For example, I want to take the second object/array, which is:
{"label":"1mm+","value":1281}
and move it to the end. How do I do that? How do I find it? I used the following piece of code to find it which is pretty clunky:
$pos = strpos(json_encode($result), '1mm+');
if($pos){
Log::debug('Enrich 73, I found it!!!!!!!!!!!!!!!!!!!!!!!!!!!');
}
And once I find it, how do I move that array/object to the end of the whole object?
And finally, where can I find some kind of tutorial, or documentation, that describes this construct and how to work with it?
There is no need to json_encode the data. Since the data is an instance of Laravel Collection, you can manipulate it like so
$item = $data->firstWhere('label', '1mm+'); // get the item
$data = $data->filter(fn($value, $key) => $value->label !== '1mm+') // remove $item from $data
->push($item); // move $item to the end of data
Acording to Laravel documnentation for Collections, you can try something like this :
To find index of element with name = "1mm+" :
$index = $datas->search(function ($item, $key) {
return $item['name'] == "1mm+";
});
to get an element at a given index :
$element = $datas->get($index);
to Move element at index 3 to the end :
$index = 3
$elementToMove = $data->splice($index, 1);
$datas->push($elementToMove);
Here is a link to the document used : https://laravel.com/docs/8.x/collections
I am new to Wordpress and Woocommerce. Looking at the database I came to see few text columns where the stored value looks something like this:
a:23:s:16:"woofc_last_added";s:32:"d770c2ff0c2b832aad82b0cbc3f144a6";s:21:"removed_cart_contents";s:6:"a:0:{}";s:10:"wc_notices";N;s:8:"customer";s:775:"a:25:}
I have stripped most of the fields, but it looks somewhat like this.
What format is this?
How can I parse values in this format?
How can I retrieve all the values from this text data in php?
The data is in a serialized protected format
You could try to use json_decode(), unserialize() or maybe_unserialize() functions, But you will not get any data as it's a WC_Session_Handler stored PROTECTED object.
You will need to use instead WC_Session_Handler or WC_Session available methods.
1) To get the current customer WC_Session_Handler object you can use:
// Get the current WC_Session_Handler obect
$session_obj = WC()->session;
print_r($session_obj); // Raw output
2) To get the WC_Session_Handler object from a defined customer ID
// The defined customer ID
$customer_id = 5;
// Get an Instance of the WC_Session_Handler object
$new_session_obj = new WC_Session_Handler();
// The defined customer ID
$session_obj = $new_session_obj->get_session( $customer_id );
3) Accessing the protected data:
## --- Get the data in an array (values are still serialized) --- ##
$session_data_array = WC()->session->get_session_data();
print_r($session_data_array); // Raw output
## -------------- Get the cleaned unserialized data ------------- ##
$session_cart = WC()->session->get('cart');
$session_cart_totals = WC()->session->get('cart_totals');
$session_applied_coupons = WC()->session->get('applied_coupons');
$session_coupon_discount_totals = WC()->session->get('coupon_discount_totals');
$session_coupon_discount_tax_totals = WC()->session->get('coupon_discount_tax_totals');
$session_removed_cart_contents = WC()->session->get('removed_cart_contents');
$session_shipping_for_package_0 = WC()->session->get('shipping_for_package_0');
$session_previous_shipping_methods = WC()->session->get('previous_shipping_methods');
$session_chosen_shipping_methods = WC()->session->get('chosen_shipping_methods');
$session_shipping_method_counts = WC()->session->get('shipping_method_counts');
$session_customer = WC()->session->get('customer');
// Raw "Cart" output example
print_r(WC()->session->get('cart'));
Its not a JSON format it is simple a way wordpress save arrays in serialized format in its tables.
Just use php unserialized function, it will unserialize this and you will be able to parse it in normal php array format. You can view this function documentation here http://php.net/manual/en/function.unserialize.php
It stores in serialized format. You can get normal array by using unserialized function.
unserialize()
I'm developping a website, where if a user changes some data, it should be stored on the background, to see who did last change and what etc... . I have 1 object called Event, but the data onscreen is devided into 2 tabs (Client and Event). After the submit, I get all the fields and put the data in the object. I have this self made function to compare the values in the new boject with the values of the old object:
function createArrayReturnDiff($obj1, $obj2) {
$helpArray1 = (array) $obj1; //convert object to array
$helpArray2 = (array) $obj2; //convert object to array
$help = array_diff_assoc($helpArray2, $helpArray1); //Computes the difference of arrays with additional index check
return $help;
}
Now this works all fine, I get an array returned with names of the field and the new value.
But here comes the tricky part. After the return of this array, I loop trough it I want to check which tab the value was on in order to give beter user feedback later. So if the value is on Cleint or Event tab. Now I made 2 arrays where I describe all the fields in each tab.
$tabKlant = array('Evenementfirmanaam', 'Evenementaanspreking', 'Evenementcontactpersoon', 'Evenementcontactpersoonstraat', 'Evenementcontactpersoongemeente', 'Evenementcontactpersoonland', 'Evenementcontactpersoonmail', 'Evenementcontactpersoontel', 'Evenementgeldigheidsdatum', 'Evenementfacturatiegegevens', 'Evenementfactuur_mededeling', 'Evenementbestelbon', 'Evenementreferentie');
$tabEvenement = array('Evenementstartdatum', 'Evenementeinddatum', 'Evenementnaam', 'Evenementfeestlocatie', 'Evenementcontactfeestlocatie', 'Evenementaantal', 'Evenementact_speeches_opm', 'Evenementdj', 'Evenementinleiding');
Now my code to check:
foreach ($help as $key => $value) {
if (in_array($key, $tabEvent)) {
$tab = "Event";
} else if (in_array($key, $tabClient)) {
$tab = "Client";
} else {
$tab = "";
}
}
Now what I tried to change was Evenementfirmanaam, so the $help array contains values with key = Evenementfirmanaam and value = 'xxxx'. Everything looks like it is supposed to work. But for some reason, it can't find the value in the in_array of my foreach.
After I tried to write away data to the database. I used a mysqli_real_escape_string on the $key of my help array (firmanaam in this case) and I found out it is creating the string like: '\0Evenement\0firmanaam' . I have no idea why the \0 are added, but I have a feeling this is the reason why the in_array function won't compare my values properly. Does anyone have an idea what the problem might be?
The problem is that the firmanaam property of your Evenement class (which $obj1 and $obj2 look like to be instances of) is private, which results in the cast to array creating special keys:
If an object is converted to an array, the result is an array whose
elements are the object's properties. The keys are the member variable
names, with a few notable exceptions: integer properties are
unaccessible; private variables have the class name prepended to the
variable name; protected variables have a '*' prepended to the
variable name. These prepended values have null bytes on either side.
This can result in some unexpected behaviour.
In essence, you are being punished for violating the logical design of your class: if $firmanaam is private the outside world should not have any access to its value. The cast to array does allow you to get the value but you really should not do this.
Since you are using Evenement to encapsulate and hide data members, do it all the way. If you want access to those members, provide for and use a getter. If you want to compare two instances with specific semantics, add a comparison method to the class.
I've been trying all night to update a record like this:
$r = $this->Question->read(NULL, $question['Question']['id']);
debug($r);// This is a complete Question array
$this->Question->set('status', 'version');
$s = $this->Question->save();
//$s = $this->Question->save($r['Question']);//this also doesn't work
debug($s); // = False every time!! Why??
exit;
The two comments show variations I've tried but didn't work either.
#Dipesh:
$this->data = $this->Question->read(NULL, $question['Question']['id']);
$this->Question->status = 'version';
$s = $this->Question->save($this->data);
debug($s);
exit;
#Dipesh II:
$this->request->data = $this->Question->read(NULL, $question['Question']['id']);
debug($this->data);
//$this->Question->status = 'version';
$this->request->data['Question']['status'] = 'version';
$s = $this->Question->save($this->request->data);
//$s = $this->Question->save($r['Question']);
debug($s);
exit;
#Dipesh III:
(removed)
cakePHP provide a method called set() in both Models::set() as well as in Controller::set();
About Controller::set()
This method is used to set variables for view level from any of the controller method. For example fetching records and from models and setting them for views to display it to clients, like this
$data = $this->{ModelName}->find('first');
$this->set('dataForView',$data) // now you can access $data in your view as $dataForView
About Model::set()
This method is used to set data upon a model, the format of the array that will be passed must be same as that used in Model::save() method i.e. like this
$dataFormModel = array('ModelName'=>array('col_name'=>$colValue));
$this->{ModelName}->set($dataForModel);
Model::set() will accept its parameter only in this format, once successfully set you can do following
validate this data against the validation rules specified in model directly like this
$isValid = $this->ModelName->validate();
save/update data by calling Model::save()
Use $this->data instead of $r
Example
$this->data = $this->Question->read(NULL, $question['Question']['id']);
$this->set is used to set variable value and pass it to view so view can access it where as $this->data represent the data to be stored in database.
If You're using Cake 2.0 then replace $this->data which is read only in Cake 2.0 to $this->request->data.
It's not very "automagical" but I was able to get this working like this:
$set_perm_id = 42;//who cares
$data = array(
'Question'=> array(
'id'=> $question['Question']['id'],
'perm_id'=> $set_perm_id,
'status'=>'version'
)
);
$s=$this->Question->save($data);
Basically I'm just building the data array manually. If anyone knows why this works instead of what I was doing before, I'd love to hear it.
Just try these lines..
$this->Question->id = $question['Question']['id'];
$this->Question->set('status','version');
$this->Question->save();
OR
$aUpdate["id"] = $question['Question']['id'];
$aUpdate["status"] = "version";
$this->Question->save($aUpdate);
In PHP I have a multidimensional object created from looping through a list of ids
$summary = array();
foreach ( $request->id as $id ) {
...
$summary[] = $summary_data;
}
it's then passed to my javascript.
return json_encode(array('summary' => $summary));
Not sure how to navigate the returned object correctly. Do I have to use the original list of id's, and use that as an index against this object? Or is there a better way to keep track of this?
End result, I want a select box such that when a new item is selected, its data is displayed.
A general JSON object would look like this (trying to put all possible cases):
{
"key1":"value1",
"subObject":{
"subKey1":"subValue1",
"subKey2":"subValue2"
},
"arrayOfSubObjects":[
{"subKey3":"subValue3"},
{"subKey4":"subValue4"}
]
}
You can reference any element of a JSON object with jsonObject.key, but remember those part between [] are arrays so you'll need to index them as if they were in an array so:
// to point subKey1:
jsonObject.subObject.subKey1;
// to point subKey3
jsonObject.arrayOfSubObjects[0].subKey3;
OR
// to point subKey1:
jsonObject["subObject"]["subKey1"];
// to point subKey3
jsonObject["arrayOfSubObjects"][0]["subKey3"];
note the 0 has no quotes because it's an index.