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Its rather simple really, you have a series of mutator methods that all returns the original (or other) objects, that way you can keep calling functions.
Example:
<?php
class fakeString
{
private $str;
function __construct()
{
$this->str = "";
}
function addA()
{
$this->str .= "a";
return $this;
}
function addB()
{
$this->str .= "b";
return $this;
}
function getStr()
{
return $this->str;
}
}
$a = new fakeString();
echo $a->addA()->addB()->getStr();
This outputs "ab"
The ability to return one object from multi functions.
class fakeString { private $str; function __construct() { $this->str = ""; } function addA() { $this->str .= "a"; return $this; } function addB() { $this->str .= "b"; return $this; } function getStr() { return $this->str; } } $a = new fakeString(); echo $a->addA()->addB()->getStr();
