Alternative to logicalNot() - not doing what expected - php

I made a query in a EntityRepository.php file, the query goes through and gives me a number of matching entities for example:
100
My new goal is to filter out all entities which have the property feedback.appointmentState.uid = 4.
and when I put in this following constraint:
$query->equals('feedback.appointmentState.uid', 4)
it gives me
0
Now comes the part that I don't understand -
When I change that part to:
$query->logicalNot($query->equals('feedback.appointmentState.uid', 4))
I get
90
It's not quite working this way since it should output 100 as there are no entities that match that filter - but how can I achieve this the best way?
For clarification here my code example (of course I didn't uncomment both commented parts at the same time)
public function countByCompany($company) {
$query = $this->createQuery();
$constraints[] = $query->equals('deleted', 0);
$constraints[] = $query->equals('hidden', 0);
$constraints[] = $query->equals('socialworker.company', $company);
$total = $query->matching($query->logicalAnd($constraints))->count();
// $total is 30
// $constraints[] = $query->equals('feedback.appointmentState.uid', 4);
// $totalCancelled = $query->matching($query->logicalAnd($constraints))->count();
// $totalCancelled is 0
// $constraints[] = $query->logicalNot($query->equals('feedback.appointmentState.uid', 4));
// $totalWithoutCancelled = $query->matching($query->logicalAnd($constraints))->count();
// $totalWithoutCancelled is 15
return false;
}

I dissolve your last query to
public function countByCompany($company) {
$query = $this->createQuery();
$totalWithoutCancelled = $query->matching(
$query->logicalAnd(
$query->equals('deleted', 0),
$query->equals('hidden', 0),
$query->equals('socialworker.company', $company),
$query->logicalNot(
$query->equals('feedback.appointmentState.uid', 4)
)
)
)->count();
return false;
}
Try mine. Does this the same?
public function countByCompany($company) {
$query = $this->createQuery();
$total = $query->matching(
$query->logicalAnd(
$query->equals('deleted', 0),
$query->equals('hidden', 0),
$query->equals('socialworker.company', $company)
),
$query->logicalNot(
$query->equals('feedback.appointmentState.uid', 4)
)
)->count();
return false;
}

Related

Sphinx Query is returning null results in PHP

I am currently using PHP to query from my sphinx index. The index is building properly, however the search is not.
Originally I had my query set up like the following:
private function _doMapSearchAll($textSearch, $typeFilterArr, $rads = array(), $centre = array(), $showFavourites = false) {
// lookup the location based on the search and return the results in that
// map bounds ignore for boundary searches
$rsArr = array();
$skipDataSearch = false;
if (!COUNT($rads)) {
// handle airport code lookups if we have 3 characters
if (strlen($textSearch) === 3) {
$rsArr = $this->_doMapAirportSearch($textSearch);
if (COUNT($rsArr)) {
$skipDataSearch = true;
}
}
// still no results based on the above search, do generic map search
if ($skipDataSearch === false) {
$rsArr = $this->_doMapGeoSearch($textSearch, $typeFilterArr, $centre);
if (COUNT($rsArr['results']) > 0) {
$skipDataSearch = false;
}
}
}
// if we are doing a boundary search, or we have no results from the above,
// get all results based on our location
if ($skipDataSearch === false) {
// fall back onto searching via the data
// normalise the search string
$originalSearchString = $this->doNormalisation($textSearch);
// use sphinx for the search
$sphinx = $this->_getSphinxConnection();
$sphinx->setLimits(0, $this->container->getParameter('search_max_results'), $this->container->getParameter('search_max_results'));
if (COUNT($typeFilterArr)) {
$sphinx->SetFilter('fldSiteTypeUID_attr', $typeFilterArr);
}
// if we're doing a boundary search, skip the search string
if (COUNT($rads) > 0) {
$originalSearchString = '';
if ($showFavourites === false) {
//$sphinx->SetFilterFloatRange('lat_radians', min($rads['minLat'], $rads['maxLat']), max($rads['minLat'], $rads['maxLat']));
//$sphinx->SetFilterFloatRange('long_radians', min($rads['minLon'], $rads['maxLon']), max($rads['minLon'], $rads['maxLon']));
if ($rads['minLat'] > $rads['maxLat']) {
$rads['minLat'] = $rads['minLat'] - 360;
}
if ($rads['minLon'] > $rads['maxLon']) {
$rads['minLon'] = $rads['minLon'] - 180;
}
$sphinx->SetFilterFloatRange('lat_radians', $rads['minLat'], $rads['maxLat']);
$sphinx->SetFilterFloatRange('long_radians', $rads['minLon'], $rads['maxLon']);
}
}
// order by centre point
if (COUNT($centre) > 0) {
// otherwise start in the centre
$sphinx->SetGeoAnchor('lat_radians', 'long_radians', (float) $centre['centreLat'], (float) $centre['centreLon']);
$lintDistanceLimit = 999999999.0; // everything
if ($showFavourites === false && isset($rads['maxLat'])) {
$radiusMiles = $this->get('geolocation_helper')->getSeparation(
rad2deg($rads['maxLat']),
rad2deg($rads['minLon']),
rad2deg($rads['minLat']),
rad2deg($rads['maxLon']),
"M"
);
$lintDistanceLimit = $radiusMiles * 1609; // miles to meters...
}
$sphinx->SetFilterFloatRange('geodist', 0.0, (float)$lintDistanceLimit);
$sphinx->SetSortMode(SPH_SORT_EXTENDED, 'geodist ASC');
} else {
// apply search weights
$sphinx->SetFieldWeights(array('fldTown_str' => 100, 'fldAddress1_str' => 30, 'fldSiteName_str' => 20));
}
// if we should be limiting to only favourites, pickup the selected
// favourites from cookies
if ($showFavourites === true) {
$request = $this->container->get('request_stack')->getCurrentRequest();
$favourites = explode(',', $request->cookies->get('HSF_favlist'));
if (count($favourites)) {
foreach ($favourites as $k => $favourite) {
$favourites[$k] = (int)$favourite;
}
$sphinx->SetFilter('fldUID_attr', $favourites);
}
}
$rs = $sphinx->Query($originalSearchString, $this->container->getParameter('sphinx_index'));
echo json_encode($sphinx);
$rsArr['results'] = array();
if (isset($rs['matches']) && count($rs['matches'])) {
// update the search text to what we actually searched for, this
// is needed in case we've updated/set $rsArr['searchText']
// after a geolookup
$rsArr['searchText'] = $textSearch;
// clear any previous bounds set by the geolookup, we don't want this
// if we have direct text match results
$rsArr['geobounds'] = array();
if (isset($rs['matches']) && count($rs['matches'])) {
foreach ($rs['matches'] as $k => $match) {
$rsArr['results'][$k] = $this->_remapSphinxData($k, $match);
}
}
// sort the results by distance
usort($rsArr['results'], function ($a, $b) {
return $a['fldDistance'] - $b['fldDistance'];
});
}
}
// add on the total record count
$rsArr['total'] = (int) COUNT($rsArr['results']);
return $rsArr;
}
That was returning nothing and giving me the error for GEODIST():
{"_host":"sphinx","_port":36307,"_path":"","_socket":false,"_offset":0,"_limit":250,"_mode":0,"_weights":[],"_sort":4,"_sortby":"geodist ASC","_min_id":0,"_max_id":0,"_filters":[{"type":2,"attr":"geodist","exclude":false,"min":0,"max":999999999}],"_groupby":"","_groupfunc":0,"_groupsort":"#group desc","_groupdistinct":"","_maxmatches":"250","_cutoff":0,"_retrycount":0,"_retrydelay":0,"_anchor":{"attrlat":"lat_radians","attrlong":"long_radians","lat":0.9300859583877783,"long":-2.0943951023931953},"_indexweights":[],"_ranker":0,"_rankexpr":"","_maxquerytime":0,"_fieldweights":[],"_overrides":[],"_select":"*","_error":"searchd error: geoanchor is deprecated (and slow); use GEODIST() expression","_warning":"","_connerror":false,"_reqs":[],"_mbenc":"","_arrayresult":false,"_timeout":0}{"results":[],"bounds":{"bllat":53.395603,"trlat":53.7159857,"bllng":-113.7138017,"trlng":-113.2716433},"geocentre":{"lat":53.5461245,"lon":-113.4938229},"checksum":"204a43923452936b00a10c8e566c4a48d4fdb280f97fd4042646eb45c8257bbc","searchText":"Edmonton, AB, Canada","skipResults":true,"showFavourites":false}
To fix this I changed the SetGeoAnchor function to the following:
private function _doMapSearchAll($textSearch, $typeFilterArr, $rads = array(), $centre = array(), $showFavourites = false) {
// lookup the location based on the search and return the results in that
// map bounds ignore for boundary searches
$rsArr = array();
$skipDataSearch = false;
if (!COUNT($rads)) {
// handle airport code lookups if we have 3 characters
if (strlen($textSearch) === 3) {
$rsArr = $this->_doMapAirportSearch($textSearch);
if (COUNT($rsArr)) {
$skipDataSearch = true;
}
}
// still no results based on the above search, do generic map search
if ($skipDataSearch === false) {
$rsArr = $this->_doMapGeoSearch($textSearch, $typeFilterArr, $centre);
if (COUNT($rsArr['results']) > 0) {
$skipDataSearch = false;
}
}
}
// if we are doing a boundary search, or we have no results from the above,
// get all results based on our location
if ($skipDataSearch === false) {
// fall back onto searching via the data
// normalise the search string
$originalSearchString = $this->doNormalisation($textSearch);
// use sphinx for the search
$sphinx = $this->_getSphinxConnection();
$sphinx->setLimits(0, $this->container->getParameter('search_max_results'), $this->container->getParameter('search_max_results'));
if (COUNT($typeFilterArr)) {
$sphinx->SetFilter('fldSiteTypeUID_attr', $typeFilterArr);
}
// if we're doing a boundary search, skip the search string
if (COUNT($rads) > 0) {
$originalSearchString = '';
if ($showFavourites === false) {
//$sphinx->SetFilterFloatRange('lat_radians', min($rads['minLat'], $rads['maxLat']), max($rads['minLat'], $rads['maxLat']));
//$sphinx->SetFilterFloatRange('long_radians', min($rads['minLon'], $rads['maxLon']), max($rads['minLon'], $rads['maxLon']));
if ($rads['minLat'] > $rads['maxLat']) {
$rads['minLat'] = $rads['minLat'] - 360;
}
if ($rads['minLon'] > $rads['maxLon']) {
$rads['minLon'] = $rads['minLon'] - 180;
}
$sphinx->SetFilterFloatRange('lat_radians', $rads['minLat'], $rads['maxLat']);
$sphinx->SetFilterFloatRange('long_radians', $rads['minLon'], $rads['maxLon']);
}
}
// order by centre point
if (COUNT($centre) > 0) {
// otherwise start in the centre
// $sphinx->SetGeoAnchor('lat_radians', 'long_radians', (float) $centre['centreLat'], (float) $centre['centreLon']);
$centreLat = (float) $centre['centreLat'];
$centreLon = (float) $centre['centreLon'];
$sphinx->SetSelect("GEODIST(lat_radians, long_radians, $centreLat, $centreLon) AS geodist");
$lintDistanceLimit = 999999999.0; // everything
if ($showFavourites === false && isset($rads['maxLat'])) {
$radiusMiles = $this->get('geolocation_helper')->getSeparation(
rad2deg($rads['maxLat']),
rad2deg($rads['minLon']),
rad2deg($rads['minLat']),
rad2deg($rads['maxLon']),
"M"
);
$lintDistanceLimit = $radiusMiles * 1609; // miles to meters...
}
$sphinx->SetFilterFloatRange('geodist', 0.0, (float)$lintDistanceLimit);
$sphinx->SetSortMode(SPH_SORT_EXTENDED, 'geodist ASC');
} else {
// apply search weights
$sphinx->SetFieldWeights(array('fldTown_str' => 100, 'fldAddress1_str' => 30, 'fldSiteName_str' => 20));
}
// if we should be limiting to only favourites, pickup the selected
// favourites from cookies
if ($showFavourites === true) {
$request = $this->container->get('request_stack')->getCurrentRequest();
$favourites = explode(',', $request->cookies->get('HSF_favlist'));
if (count($favourites)) {
foreach ($favourites as $k => $favourite) {
$favourites[$k] = (int)$favourite;
}
$sphinx->SetFilter('fldUID_attr', $favourites);
}
}
$rs = $sphinx->Query($originalSearchString, $this->container->getParameter('sphinx_index'));
echo json_encode($sphinx);
$rsArr['results'] = array();
if (isset($rs['matches']) && count($rs['matches'])) {
// update the search text to what we actually searched for, this
// is needed in case we've updated/set $rsArr['searchText']
// after a geolookup
$rsArr['searchText'] = $textSearch;
// clear any previous bounds set by the geolookup, we don't want this
// if we have direct text match results
$rsArr['geobounds'] = array();
if (isset($rs['matches']) && count($rs['matches'])) {
foreach ($rs['matches'] as $k => $match) {
$rsArr['results'][$k] = $this->_remapSphinxData($k, $match);
}
}
// sort the results by distance
usort($rsArr['results'], function ($a, $b) {
return $a['fldDistance'] - $b['fldDistance'];
});
}
}
// add on the total record count
$rsArr['total'] = (int) COUNT($rsArr['results']);
return $rsArr;
}
This gives me back results however they look like this:
{"_host":"sphinx","_port":36307,"_path":"","_socket":false,"_offset":0,"_limit":250,"_mode":0,"_weights":[],"_sort":4,"_sortby":"geodist ASC","_min_id":0,"_max_id":0,"_filters":[{"type":2,"attr":"geodist","exclude":false,"min":0,"max":999999999}],"_groupby":"","_groupfunc":0,"_groupsort":"#group desc","_groupdistinct":"","_maxmatches":"250","_cutoff":0,"_retrycount":0,"_retrydelay":0,"_anchor":[],"_indexweights":[],"_ranker":0,"_rankexpr":"","_maxquerytime":0,"_fieldweights":[],"_overrides":[],"_select":"GEODIST(lat_radians, long_radians, 0.93008595838778, -2.0943951023932) AS geodist","_error":"","_warning":"","_connerror":false,"_reqs":[],"_mbenc":"","_arrayresult":false,"_timeout":0}{"results":[[null,null,null,null,null,null,null,"Other","http:\/\/localhost:8080\/themes\/docker\/images\/Site-Type-Other.png",null,34362776,null,""],[null,null,null,null,null,null,null,"Other","http:\/\/localhost:8080\/themes\/docker\/images\/Site-Type-Other.png",null,38279990,null,""],[null,null,null,null,null,null,null,"Other","http:\/\/localhost:8080\/themes\/docker\/images\/Site-Type-Other.png",null,7963188,null,""],[null,null,null,null,null,null,null,"Other","http:\/\/localhost:8080\/themes\/docker\/images\/Site-Type-Other.png",null,7971966,null,""],[null,null,null,null,null,null,null,"Other","http:\/\/localhost:8080\/themes\/docker\/images\/Site-Type-Other.png",null,31790051,null,""],[null,null,null,null,null,null,null,"Other","http:\/\/localhost:8080\/themes\/docker\/images\/Site-Type-Other.png",null,7972301,null,""],[null,null,null,null,null,null,null,"Other","http:\/\/localhost:8080\/themes\/docker\/images\/Site-Type-Other.png",null,33589292,null,""],[null,null,null,null,null,null,null,"Other","http:\/\/localhost:8080\/themes\/docker\/images\/Site-Type-Other.png",null,33589642,null,""],[null,null,null,null,null,null,null,"Other","http:\/\/localhost:8080\/themes\/docker\/images\/Site-Type-Other.png",null,7962913,null,""],[null,null,null,null,null,null,null,"Other","http:\/\/localhost:8080\/themes\/docker\/images\/Site-Type-Other.png",null,31789941,null,""],[null,null,null,null,null,null,null,"Other","http:\/\/localhost:8080\/themes\/docker\/images\/Site-Type-Other.png",null,7962178,null,""],[null,null,null,null,null,null,null,"Other","http:\/\/localhost:8080\/themes\/docker\/images\/Site-Type-Other.png",null,49484181,null,""],[null,null,null,null,null,null,null,"Other","http:\/\/localhost:8080\/themes\/docker\/images\/Site-Type-Other.png",null,31795436,null,""],
.....
My searchd config looks like this:
searchd
{
listen = 36307
listen = 9306:mysql41
log = /opt/sphinx/searchd.log
query_log = /opt/sphinx/query.log
read_timeout = 5
max_children = 30
pid_file = /opt/sphinx/searchd.pid
seamless_rotate = 1
preopen_indexes = 1
unlink_old = 1
binlog_path = /opt/sphinx/
}
I am new tp Sphinx and need help correcting this query. Any thoughts?
Edit: This is sphinx version 3.4.1
So after hours on this over the past few days, I have found the answer...:
I was missing the * in the statement:
$sphinx->SetSelect("*, GEODIST($centreLat, $centreLon, lat_radians, long_radians) as geodist");
I hope this helps anyone who has this issue in the future

How to handle a Function utilizing a Stored Procedure from an array of data

I have created a function that checks for quantities before saving the data into the sales table. This function works well on Single variables and the moment the post variables become multiple; it doesn’t work because they become an array. Is there a way in which I can handle an array utilizing the idea behind this function? The idea is for every set say ($productCode = 2) & ($quantity = 10) function checks, then say ($productCode = 1) & ($quantity = 20) until the last set.
<?php
//Checking quantity availability
//Post variables
//$productCode=$_POST['productCode'];
//$quantity=$_POST['quantity'];
//Equivalent variables
$productCode = array(2, 1, 7, 2);
$quantity = array(10, 20, 30, 40);
//My wild thought BUT no LUCK
for ($i = 0; $i < count($productCode); $i++) {
$productCode=$productCode[$i];
$quantity=$quantity[$i];
function CheckIfQuantityIsEnough ($productCode,$quantity)
{
try
{
$QuantityIsEnough = false;
$pdoAssigned = new PDOConfig;
//Works perfectly well for one variable set
$resultQuantityIsEnough = $pdoAssigned->query("call sp_getStockQuantityCount($productCode,$quantity)");
if( $resultQuantityIsEnough->fetchColumn() >0) //the course has been assigned
{
$QuantityIsEnough = true;
}
return $QuantityIsEnough;
}
catch (Exception $e) {
throw $e;
}
}
}//End For statement
//Check also if Quantity is enough for that
if (CheckIfQuantityIsEnough ($productCode,$quantity) == false)
{
$Feedback = "Quantity not enough for this product";
}
?>
//sp_getStockQuantityCount
CREATE PROCEDURE `sp_getStockQuantityCount`(`vStockTypeID` INT, `vQuantity` DECIMAL(9,0))
BEGIN
declare vQuantityNow int;
declare vQuantitySubtract int;
set vQuantityNow=(select Quantity from stockquantitytbl where StockTypeID=vStockTypeID limit 1);
set vQuantitySubtract=(vQuantityNow-vQuantity);
select count(Quantity)
from stockquantitytbl
where StockTypeID=vStockTypeID and vQuantitySubtract>=0;
END
---------------Edit-----------------------
I have done away with the function and now just need to use the Stored Procedure as below:
<?php
//Array data
//$productCode = array(2, 1, 7, 2);
//$quantity = array(10, 20, 30, 40);
//Single set
$productCode=7;
$quantity=101;
$sql="call sp_getStockQuantityCount($productCode,$quantity)";
$result = $odb -> query($sql);
if($result->rowcount() > 0) {
foreach ($result as $row) {
$QuantityIsEnough = $row['Quantity'];
if($QuantityIsEnough == 0)
{
$Feedback = "Quantity not enough for this product";
}
else
{
//Insert sale record
}
}
}
?>
One set works well, but the problem still remains on array data as explained above.

How to fetch and return record with total number of records in codeigniter

I am working with rest api using codeigniter,I want to fetch records + total records + per page records,but not worked for me
Here is my function in controller
<?php
public function search_shop()
{
$users['rec'] = $this->Model_users->find_shop($_POST);
if($users['rec']!="")
{
$responseJSON = array("Status" => true,"Result" => $users['rec']);
header("content-type:application/json");
$response = json_encode($responseJSON);
echo $response;
}
else
{
$responseJSON = array("Status" => false,"Message" => "There is no matching record");
header("content-type:application/json");
$response = json_encode($responseJSON);
echo $response;
}
}
And here is my "find_shop" function in model,How can i fetch all records with total number of records and per page records ?
public function find_shop()
{
$add_data['page_number'] = ($this->input->post('page_number') && !empty($this->input->post('page_number'))) ? $this->input->post('page_number') : NULL;
$add_data['search'] = ($this->input->post('search') && !empty($this->input->post('search'))) ? $this->input->post('search') : NULL;
$records="10";
$mins="10";
if($add_data['page_number']=="" || $add_data['page_number']=="0" || $add_data['page_number']=="1")
{
$starting_row="0";
$last_row="10";
}
else
{
$last_row="9";
$cd="1";
$lim="10";
$starting_row=$add_data['page_number']*$lim-$last_row-$cd;
$last_row=$add_data['page_number']*$records-$cd;
}
$this->db->select('*');
$this->db->from('shop s');
$this->db->like('shop_name',$add_data['search']);
$this->db->or_like('city',$add_data['search']);
$this->db->limit($last_row,$starting_row);
$query = $this->db->get();
if ( $query->num_rows() > 0 )
{
$row = $query->result_array();
return $row;
return $query->num_rows;
}
else
{
return false;
}
}
?>
Try This, Hope it helps
in the Controller please test this after model related changes
$users = array();
$users = $this->Model_users->find_shop($_POST);
echo'<pre>';print_r($users);die;
in the Model, There is a mistake in the return, You cannot do two return at the same time
$query = $this->db->get();
if ( $query->num_rows() > 0 )
{
$data = array();
$data['row'] = $query->result_array();
$data['total_records'] = $this->db->count_all_results('shop');
$data['per_page_records'] = $query->num_rows();
return $data;
}else{
return array('row'=>array(),'total_records'=>'0','per_page_records'=>'0');
}
Change your if condition like this:
$records="10"; // This is records per page showing
if ($add_data['page_number']=="" || $add_data['page_number']=="0" || $add_data['page_number']=="1")
{
$starting_row="0";
} else {
$starting_row = ($add_data['page_number'] - 1) * $records;
}
You need to set limit and offset of query. For example: limit 0, 10: this will show first 10 records. Here 0 is starting point and 10 is the length of records which you want to show. 10 will always be same as you are showing 10 records. Limit 10, 10: it will show records from 10 to 19. hope it clears your doubt.

Count Array where Column Value Equals Given

I have a controller where an array of checkbox values are passed on to the controller and then sent on to do a variety of tasks. My problem is focused on getting a count of the arrays' shipment's customer's billing method, but I'm not entirely sure how I would get those values since I'm posting an array and I want a count.
Here's my controller:
public function sendNow(Request $request)
{
$now = Carbon::now();
$sendNowShipment = array();
$method = array();
$sendNowShipment = request('send');
foreach($sendNowShipment as $SNS){
$shipment = Shipment::findOrFail($SNS);
if($shipment->billtoAccount->billingMethods->label == "Mail"){
$timestamp = Carbon::now()->timestamp;
$shipment_details = $shipment->shipment_details;
$path = 'temp/freightbill_'.$shipment->pro_number.'-'.$timestamp.'.pdf';
$sessionPath[] = $path;
$pdf = PDF::loadView('shipments.pdf', compact('shipment', 'shipment_details'))
->save($path);
}elseif($shipment->billtoAccount->billingMethods->label == "Email"){
$billToAccount = $shipment->billtoAccount;
$billToAccountUsers = $billToAccount->users;
if ($billToAccount->primary_email){
$billToEmail[] = $billToAccount->primary_email;
}
if ($billToAccountUsers->count() > 0){
foreach ($billToAccountUsers as $billToAccountUser){
$billToEmail[] = $billToAccountUser->email;
}
}
foreach ($billToEmail as $bte){
Mail::to($bte)->send(new newBillToShipment($shipment));
}
}
}
if(count($shipment->billtoAccount->billingMethods->label == "Mail") > 0){// count where shipments->customers->billingMethods = Mail) > 0
$pdf = new PDFMerger();
// Add 2 PDFs to the final PDF
foreach($sessionPath as $sp){
$pdf->addPDF($sp, 'all');
}
// Merge the files and retrieve its PDF binary content
$timestamp = Carbon::now()->timestamp;
$binaryContent = $pdf->merge('download', $timestamp."-printBatch.pdf");
// Return binary content as response
//return response($binaryContent)
// ->header('Content-type' , 'application/pdf');
return back();
//dd($sendNowShipment,$sendMethod);
}
}
If you look at this line (a little past the middle):
if(count($shipment->billtoAccount->billingMethods->label == "Mail") > 0){
// count where shipments->customers->billingMethods = Mail) > 0
You'll see that I'm going through a multitude of relationships just to get the value of "Mail" that I am looking for.
So I'm wondering if this should be a DB:: query through laravel, but I'm not sure how I would perform the query using the given checkbox array I have being POSTed to this controller.

Setting a variable to an operator then executing it

I'm new to PHP in general. I was messing with this code until I wanted to execute the function in one set instead of having to set and add, sub, div, mult function. How do I go about setting the variable operator with the two num sets?
Example pseudo code:
<?php
$Num1 = 10;
$Num2 = 5;
$operation = /;
$Sum = $Num1 $operation $Num2;
return $Sum;
Or something like:
<?php
// creating Class "Math"
class math {
//Executing the function
function exec($info = array()) {
return $info['num1'] $info['operation'] $info['num2'];
}
}
// Set info
$info = array(
'num1' => 10,
'num2' => 5,
'operation' => '/'
);
//execute the OOP
$math = new math;
echo $math->exec($info);
What you are asking for is referred to as the Strategy Pattern.
One way to do this is to define your functions
$multiply = function($operand0, $operand1) {
return $operand0*$operand1;
};
$add = function($operand0, $operand1) {
return $operand0+$operand1;
};
Then using your sample code:
class math {
//Executing the function
function exec($info = array()) {
return $info['operation']($info['num1'], $info['num2']);
}
}
// Set info
$info = array(
'num1' => 10,
'num2' => 5,
'operation' => $add
);
//execute the OOP
$math = new math;
echo $math->exec($info); //will print 15

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