Array

Declare

$arr = array();

To push an element

$res_arr_values = array();
while ($row = mysql_fetch_array($result, MYSQL_ASSOC))
{
   $res_arr_values[] = $row;
}

• Not += operator to add

Delete Element

array_aplice()

Removes the elements designated by offset and length from the input array, and replaces them with the elements of the replacement array, if supplied.

array array_splice ( array &$input , int $offset [, int $length = count($input) [, mixed $replacement = array() ]] )

Size of array

for($i = 0; $i < sizeof($huge_array);$i++)
{
code...
}