Objects Constructs: Builder methods are used for that a certain routine is executed at the time a class is initiated. Classes in PHP, by default, do not set information in its builders. Therefore, they literally need to be built, if its use is required.

To create a constructor in PHP, you just need to use the _construct () statement and enter the routine inside the method, as shown in the example below:

class employee{

private $name;

function _construct()

{

this->$name = ” “;

}

}

In the example, we have the class constructor initializing the variable $name with an empty information. However, you can work with builders who receive parameters. Let’s see this practical example:

class employee{

private $name;

function _construct()

{

this->$name = ” “;

}

            function _construct1($v1)

{

this->$name = v1;

}

            function _construct2($v1, $v2)

{

this->$name = v1.” – “.v2;

}

}

In this example, we have a method that uses three types of builders reporting a single parameter. The builder _construct1 will be called, then to inform two employees the builder _construct2 will be called and so on:

$f1 = new employee();

$f2 = new employee(“Paul”);

$f3 = new employee(“Paul, Lewis”);

The above examples show only three builders, but a number of others may be created according to the demand of the class.

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June 4, 2015

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