SegmentCollection.php

<?php
namespace DownlineAutomator\Models\Segments;


use DownlineAutomator\DLAHelperMethods;
use DownlineAutomator\Models\LogHelper;
use DownlineAutomator\Models\Segments\Containers\DynamicSegmentContainer;
use DownlineAutomator\Models\Segments\Containers\ISegmentContainer;
use DownlineAutomator\Models\Segments\Containers\ReportSegmentContainer;
use DownlineAutomator\Models\Segments\Containers\StaticSegmentContainer;
use DownlineAutomator\Models\Users\UserEntity;
use Monolog\Logger;
use Psr\Container\ContainerInterface;

class SegmentCollection
{
    /**
     * @var ContainerInterface
     */
    private $container;

    /**
     * @var \mysqli
     */
    protected $db;

    /**
     * @var Logger
     */
    protected $log;

    /**
     * @var ISegmentContainer[]
     */
    private $segmentContainers;

    /**
     * @param UserEntity $userEntity
     * @param int|null $segmentType
     * @return array|null
     */
    public function fetchSegmentsByUser(UserEntity $userEntity, ?int $segmentType = null): ?array
    {
        if ($userEntity->getAccountID() === DLAHelperMethods::INVALID_MEMBER_ID) {
            return null;
        }

        if ($segmentType !== null && !in_array($segmentType, Segment::VALID_TYPES)) {
            return null;
        }

        $accountId = $userEntity->getAccountID();

        $queryStr = "SELECT 
                      uuid, 
                      accountId, 
                      type, 
                      segmentName, 
                      description 
                    FROM segments
                    WHERE accountId = ?";

        $stmt = $this->db->prepare($queryStr);

        $stmt->bind_param(
            'i',
            $accountId
        );

        if (!$stmt->execute()) {
            LogHelper::logQueryError($this->log, __METHOD__, $queryStr, $stmt);

            $stmt->close();
            return null;
        }

        $stmt->bind_result(
            $uuid,
            $_accountId,
            $type,
            $segmentName,
            $description
        );

        $segments = [];
        while ($stmt->fetch()) {
            $segments[] = [
                'uuid' => $uuid,
                'accountId' => $_accountId,
                'type' => $type,
                'segmentName' => $segmentName,
                'description' => $description
            ];
        }

        $stmt->close();

        $segs = [];
        $c = count($segments);
        for ($i = 0; $i < $c; $i++) {
            $segment = new Segment();
            $segment->setUuid($segments[$i]['uuid']);
            $segment->setAccountId($segments[$i]['accountId']);
            $segment->setType($segments[$i]['type']);
            $segment->setName($segments[$i]['segmentName']);
            $segment->setDescription($segments[$i]['description']);
            
            $segs[] = $segment;
        }

        var_dump($segs);
        return $segs; //BREAKPOINT HERE, $segs = Array with data
    }
}

Segments.php

<?php
namespace DownlineAutomator\Controllers;


use DownlineAutomator\DLAHelperMethods;
use DownlineAutomator\Models\BaseController;
use DownlineAutomator\Models\Messages;
use DownlineAutomator\Models\Request;
use DownlineAutomator\Models\Segments\Containers\ReportSegmentContainer;
use DownlineAutomator\Models\Segments\ReportSegmentOption;
use DownlineAutomator\Models\Segments\Segment;
use DownlineAutomator\Models\Segments\SegmentCollection;
use DownlineAutomator\Models\Users\UserCollection;

class Segments extends BaseController
{
  public function renderSegmentsHome(): string
    {
        $userCollection = $this->container->get(UserCollection::class);
        $segmentCollection = $this->container->get(SegmentCollection::class);

        $userEntity = $userCollection->fetch(
            DLAHelperMethods::getAccountId()
        );
        
        $reports = $segmentCollection->fetchSegmentsByUser(
            $userEntity,
            Segment::TYPE_REPORT
        );

        var_dump($reports);
        return $this->twig->render(  //BREAKPOINT HERE, $reports = NULL
            'segments/home.html.twig',[
                'segments' => [
                    'reports' => $reports //function call was here, moved out to view breakpoint 
                ]
        ]);
    }
}

Output WITHOUT XDebug using var_dump() as indicated in revision 2:

`
array(1) {

  | [0]=>
  | object(DownlineAutomator\Models\Segments\Segment)#74 (5) {
  | ["uuid":"DownlineAutomator\Models\Segments\Segment":private]=>
  | string(36) "87346844-3a9e-494d-98bc-712a58edafd3"
  | ["accountId":"DownlineAutomator\Models\Segments\Segment":private]=>
  | int(863625)
  | ["type":"DownlineAutomator\Models\Segments\Segment":private]=>
  | int(0)
  | ["name":"DownlineAutomator\Models\Segments\Segment":private]=>
  | string(9) "Some Name"
  | ["description":"DownlineAutomator\Models\Segments\Segment":private]=>
  | string(21) "This is a description"
  | }
  | }
  | array(1) {
  | [0]=>
  | object(DownlineAutomator\Models\Segments\Segment)#74 (5) {
  | ["uuid":"DownlineAutomator\Models\Segments\Segment":private]=>
  | string(36) "87346844-3a9e-494d-98bc-712a58edafd3"
  | ["accountId":"DownlineAutomator\Models\Segments\Segment":private]=>
  | int(863625)
  | ["type":"DownlineAutomator\Models\Segments\Segment":private]=>
  | int(0)
  | ["name":"DownlineAutomator\Models\Segments\Segment":private]=>
  | string(9) "Some Name"
  | ["description":"DownlineAutomator\Models\Segments\Segment":private]=>
  | string(21) "This is a description"
  | }
  | }

`

Output WITH Xdebug using var_dump() as indicated in revision 2:

`

	array(1) {
	[0]=>
	object(DownlineAutomator\Models\Segments\Segment)#74 (5) {
	["uuid":"DownlineAutomator\Models\Segments\Segment":private]=>
	string(36) "87346844-3a9e-494d-98bc-712a58edafd3"
	["accountId":"DownlineAutomator\Models\Segments\Segment":private]=>
	int(863625)
	["type":"DownlineAutomator\Models\Segments\Segment":private]=>
	int(0)
	["name":"DownlineAutomator\Models\Segments\Segment":private]=>
	string(9) "Some Name"
	["description":"DownlineAutomator\Models\Segments\Segment":private]=>
	string(21) "This is a description"
	}
	}
	NULL

`