08-30-2011
Append the command to /etc/rc.local.
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LEARN ABOUT PHP
arrayaccess
ARRAYACCESS(3) 1 ARRAYACCESS(3)
The ArrayAccess interface
INTRODUCTION
Interface to provide accessing objects as arrays.
INTERFACE SYNOPSIS
ArrayAccess
ArrayAccess
Methods
o abstractpublic boolean ArrayAccess::offsetExists (mixed $offset)
o abstractpublic mixed ArrayAccess::offsetGet (mixed $offset)
o abstractpublic void ArrayAccess::offsetSet (mixed $offset, mixed $value)
o abstractpublic void ArrayAccess::offsetUnset (mixed $offset)
Example #1
Basic usage
<?php
class obj implements ArrayAccess {
private $container = array();
public function __construct() {
$this->container = array(
"one" => 1,
"two" => 2,
"three" => 3,
);
}
public function offsetSet($offset, $value) {
if (is_null($offset)) {
$this->container[] = $value;
} else {
$this->container[$offset] = $value;
}
}
public function offsetExists($offset) {
return isset($this->container[$offset]);
}
public function offsetUnset($offset) {
unset($this->container[$offset]);
}
public function offsetGet($offset) {
return isset($this->container[$offset]) ? $this->container[$offset] : null;
}
}
$obj = new obj;
var_dump(isset($obj["two"]));
var_dump($obj["two"]);
unset($obj["two"]);
var_dump(isset($obj["two"]));
$obj["two"] = "A value";
var_dump($obj["two"]);
$obj[] = 'Append 1';
$obj[] = 'Append 2';
$obj[] = 'Append 3';
print_r($obj);
?>
The above example will output something similar to:
bool(true)
int(2)
bool(false)
string(7) "A value"
obj Object
(
[container:obj:private] => Array
(
[one] => 1
[three] => 3
[two] => A value
[0] => Append 1
[1] => Append 2
[2] => Append 3
)
)
PHP Documentation Group ARRAYACCESS(3)