Arrays
Simple ID Array
The purpose of this is to create the next id. The array created has some ids that have been deleted.
$id_ar = array();
$id_ar[] = 1;
$id_ar[] = 3;
$id_ar[] = 5;
$id_ar[] = 6;
$id_ar[] = 7;
$id_ar[] = 9;
$id_count = 0;
$largest_id = 0;
echo "Length of \$id_ar is ". count($id_ar) ."<br /> <br />";
foreach($id_ar as $id_val ) {
$id_count++;
echo "<br/>Item: ". $id_count ." - ID: ". $id_val;
if ($id_val > $largest_id) {
$largest_id = $id_val;
}
}
$largest_id++;
echo "<br/>New ID: ". $largest_id;
Two Dimensional Array Filter
A two dimensional array of employees of company divisions
$business = array ( "Developer" => array("0" => array ( "name" => "John", "salary" => 90000 ),
"1" => array ("name" => "Roger", "salary" => 105000 ),
"2" => array ( "name" => "Mike", "salary" => 100000 ),
"3" => array ( "name" => "Drew", "salary" => 140000 ),
"4" => array ( "name" => "Lance", "salary" => 140000 )),
"Manager" => array("0" => array ( "name" => "Stewart", "salary" => 120000 ),
"1" => array ( "name" => "Jill", "salary" => 140000 ),
"2" => array ( "name" => "Steve", "salary" => 114000 )),
"Executive" => array("0" => array ( "name" => "Karen", "salary" => 500000 ),
"1" => array ( "name" => "Bonny", "salary" => 250000 ),
"2" => array ( "name" => "Fred", "salary" => 650000 )));
$filterArray = array();
$i = 0;
foreach($business as $dept => $employee) {
foreach($employee as $index => $data) {
if($data['salary'] > 120000) {
$filterArray[$i]['deprtment'] = $dept;
$filterArray[$i]['name'] = $data['name'];
$filterArray[$i]['salary'] = $data['salary'];
}
$i++;
}
}
echo "Length of \$filterArray is ". count($filterArray);
foreach ($filterArray as $i => $ar) {
foreach ($ar as $k => $v) {
echo $k .": ". $v ."<br/>";
}
}
Whole Array
foreach ($business as $dept => $ar) {
echo $dept ."<br/> ";
foreach ($ar as $i => $employee) {
echo $i ." - ";
foreach ($employee as $name => $value) {
echo $name ." - ". $value ."<br/>";
}
}
echo "<br/> <br/>";
}
Reservation Array
$array1 = array();
for ($i=0; $i<4; $i++){
$array1[] = array('reservationId' => $i, 'startDate' => '2023-12-15', 'endDate' => '2023-12-16', 'partyName' => 'Kramer' );
}
$array2 = array('reservations' => $array1);
foreach ($array2 as $name => $res_ar) {
foreach ($res_ar as $i => $res_item) {
echo $i ." - Res ID: ". $res_ar[$i]['reservationId'] ." Party:". $res_ar[$i]['partyName'] ."<br/>";
}
}