PHP Manual
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Objects

Object Initialization

To initialize an object, you use the new statement to instantiate the object to a variable.

<?php
class foo
{
    function do_foo()
    {
        echo "Doing foo.";
    }
}

$bar = new foo;
$bar->do_foo();
?>

For a full discussion, please read the section Classes and Objects.

Converting to object

If an object is converted to an object, it is not modified. If a value of any other type is converted to an object, a new instance of the stdClass built in class is created. If the value was null, the new instance will be empty. For any other value, a member variable named scalar will contain the value.

<?php
$obj = (object) 'ciao';
echo $obj->scalar;  // outputs 'ciao'
?>

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