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$array[element];
$array[element]
array[element];
array[element]
define('Constant_name', 'value');
constant Constant_name = value;
Constant_name = value;
all of the above
$variable_name;
var variable_name;
$variable_name =;
variable_name;
include "filename";
require "filename";
include_once "filename";
is_null($variable)
$variable == null
$variable === null
.
+
-
*
if statement
switch statement
for loop
while loop
object_name.method_name();
call object_name.method_name();
object_name(call method_name());
object_name->method_name();
define class Class_name {}
Class Class_name {}
new Class Class_name {}
class Class_name {}
setcookie('cookie_name', 'cookie_value');
cookie('cookie_name', 'cookie_value');
create_cookie('cookie_name', 'cookie_value');