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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