How to build traversing tree?

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PHP

trees

recursion

I am working on tree formatting of an associative array:

Array
(
    [8] => Array
        (
            [name] => David Clance
            [email_id] => dclance@gmail.com
            [designation] => Chief Executive Officer
            [member] => Array
                (
                    [62] => Array
                        (
                            [name] => Sonali Yadav
                            [email_id] => syadav@gmail.com
                            [designation] => Managing Director
                            [member] => Array
                                (
                                    [1147] => Array
                                        (
                                            [name] => Samina Falgun
                                            [email_id] => sfalgun@gmail.com
                                            [designation] => Associate Technical Product Manager
                                            [member] => Array
                                                (
                                                    [676] => Array
                                                        (
                                                            [name] => Rushi Vyas
                                                            [email_id] => rvyas@gmail.com
                                                            [designation] => Team Lead
                                                            [member] => Array
                                                                (
                                                                    [946] => Array
                                                                        (
                                                                            [name] => Vijay Gade
                                                                            [email_id] => vgade@gmail.com
                                                                            [designation] => Software Engineer
                                                                            [member] => Array
                                                                                (
                                                                                )

                                                                        )

                                                                    [1450] => Array
                                                                        (
                                                                            [name] => Shivraj Singh
                                                                            [email_id] => ssingh01@gmail.com
                                                                            [designation] => Software Engineer
                                                                            [member] => Array
                                                                                (
                                                                                )

                                                                        )

                                                                )

                                                        )

                                                    [2748] => Array
                                                        (
                                                            [name] => Neetha Sunny
                                                            [email_id] => nsunny@gmail.com
                                                            [designation] => Software Engineer
                                                            [member] => Array
                                                                (
                                                                    [2855] => Array
                                                                        (
                                                                            [name] => Celvin Game
                                                                            [email_id] => cgame@gmail.com
                                                                            [designation] => Software Engineer
                                                                            [member] => Array
                                                                                (
                                                                                )

                                                                        )
                                                                )

                                                        )

                                                    [1497] => Array
                                                        (
                                                            [name] => Pranali Dighe
                                                            [email_id] => pdighe@gmail.com
                                                            [designation] => Software Engineer
                                                            [member] => Array
                                                                (
                                                                )

                                                        )

                                                    [3399] => Array
                                                        (
                                                            [name] => Employee Tue
                                                            [email_id] => employee@gmail.com
                                                            [designation] => Accounts Officer
                                                            [member] => Array
                                                                (
                                                                )

                                                        )

                                                )

                                        )

                                    [2882] => Array
                                        (
                                            [name] => Akash Meheta
                                            [email_id] => ameheta@gmail.com
                                            [designation] => Manager - Administrations
                                            [member] => Array
                                                (
                                                    [972] => Array
                                                        (
                                                            [name] => Rajendra Gore
                                                            [email_id] => rgore@gmail.com
                                                            [designation] => Office Assistant
                                                            [member] => Array
                                                                (
                                                                )

                                                        )

                                                    [2925] => Array
                                                        (
                                                            [name] => Ankush Dadar
                                                            [email_id] => adadar@gmail.com
                                                            [designation] => Office Supervisor
                                                            [member] => Array
                                                                (
                                                                )

                                                        )

                                                )

                                        )
                                    )
                        )
                    [189] => Array
                        (
                            [name] => Dharmendra Shroff
                            [email_id] => dshroff@gmail.com
                            [designation] => Director Of Engineering
                            [member] => Array
                                (
                                    [443] => Array
                                        (
                                            [name] => James Bond
                                            [email_id] => jbond@gmail.com
                                            [designation] => Software Development Manager
                                            [member] => Array
                                                (
                                                )

                                        )

                                    [1638] => Array
                                        (
                                            [name] => Nilesh Tyagi
                                            [email_id] => ntyagi@gmail.com
                                            [designation] => Associate Manager
                                            [member] => Array
                                                (
                                                    [1825] => Array
                                                        (
                                                            [name] => Asha Das
                                                            [email_id] => adas@gmail.com
                                                            [designation] => Team Lead
                                                            [member] => Array
                                                                (
                                                                    [2561] => Array
                                                                        (
                                                                            [name] => Prashant Manere
                                                                            [email_id] => pmanere@gmail.com
                                                                            [designation] => Data Support Executive
                                                                            [member] => Array
                                                                                (
                                                                                )
                                                                        )
                                                                )
                                                        )
                                                )
                                        )
                                )
                        )
                )
        )
)

On the basis of ['member'] key, trying to display tree structure in parent-child formation like:

David Clance
	Sonali Yadav
		Samina Falgun
			Rushi Vyas
				Vijay Gade
				Shivraj Singh
			Neetha Sunny
				Celvin Game
			Pranali Dighe
			Employee Tue
		Akash Meheta
			Rajendra Gore
			Ankush Dadar
	Dharmendra Shroff
		James Bond
		Nilesh Tyagi
			Asha Das
				Prashant Manere

I have code like below to get the incremented row count for every array element and column count to tab values in array:

<?php
	$this->m_intRowCount = 1;
	$intColumnCount = 0;
	
	public function handle() {
		if( true == valArr( $this->m_arrmixEmployees ) ) {
			$this->getEmployeeDetails( $this->m_arrmixEmployees, $intColumnCount );
		}
	}
	
	public function getEmployeeDetails( $arrmixEmployees, $intColumnCount ) {
		foreach( $arrmixEmployees as $keys => $values ) {
		
			$this->m_intRowCount++;	
			echo $values['name'] . " " . $values['designation'];
			
			if( true == valArr( $values['member'] ) ) {
				echo "<br>";
				$intColumnCount++;
				
				foreach( $values['member'] as $key => $value ) {
					$this->m_intRowCount++;
					
					echo $value['name'] . " " . $value['designation'];
					
					if( true == valArr( $value['member'] ) ) {
						echo "<br>";
						$intColumnCount++;
						$this->getEmployeeDetails( $value['member'], $intColumnCount );
						$intColumnCount--;
					} else {
						echo "<br>";
					}
					
				}
			} else {
				echo "<br>";
				continue;
			}
			
		}
	}