<?php

//Single indexed array
$studentNames = array("Emma", "Logan", "Jordan", "Amy");	
$studentGender = array("F","M","NA","F");
$studentAge = array(18,5,11,17);


//Multidimensional array
$multiStudents = array(array("Emma","F",18), array("Logan","M",5), array("Jordan","NA",11), array("Amy","F",17));


//Associative array
$logan = array("name"=>"Logan", "gender"=>"M", "age"=>5);


//MIX Multi + Associate
$multiAssociateStudents = array("Emma"=>array("gender"=>"F", "age"=>18),
				 "Logan"=>array("gender"=>"M", "age"=>5),
				 "Jordan"=>array("gender"=>"NA", "age"=>11),
				 "Amy"=>array("gender"=>"F", "age"=>17));



echo "<h1>SINGLE Dimension Array -----------------------------</h1>";
//"Logan M 5"
echo $studentNames[1]." "; 
echo $studentGender[1]." ";
echo $studentAge[1];
	
echo "<h1>MULTI Dimensional Array -----------------------------</h1>";
//"Logan M 5"
echo $multiStudents[1][0]." "; 
echo $multiStudents[1][1]." ";
echo $multiStudents[1][2];

echo "<h1>ASSOCIATIVE Array -----------------------------</h1>";
//"Logan M 5"
echo $logan["name"]." "; 
echo $logan["gender"]." "; 
echo $logan["age"];

echo "<h1>MIX MULTI + ASSOCIATIVE Array -----------------------------</h1>";
//Get the associate ID ("Logan") using index positions again lol
//In this case the array_keys are ("Emma", "Logan", "Jordan", "Amy") and we want the 2nd position which is "Logan"
$keys = array_keys($multiAssociateStudents);


//"Logan M 5"
echo $keys[1]." "; //or simply echo "Logan" because we know who we want
echo $multiAssociateStudents["Logan"]['gender']." "; 
echo $multiAssociateStudents["Logan"]['age']; 

?>