(PHP 5 >= 5.3.0, PHP 7)
Examples:
Name resolutions illustrated
<?php namespace A; use B\D, C\E as F; // function calls foo(); // first tries to call "foo" defined in namespace "A" // then calls global function "foo" \foo(); // calls function "foo" defined in global scope my\foo(); // calls function "foo" defined in namespace "A\my" F(); // first tries to call "F" defined in namespace "A" // then calls global function "F" // class references new B(); // creates object of class "B" defined in namespace "A" // if not found, it tries to autoload class "A\B" new D(); // using import rules, creates object of class "D" defined in namespace "B" // if not found, it tries to autoload class "B\D" new F(); // using import rules, creates object of class "E" defined in namespace "C" // if not found, it tries to autoload class "C\E" new \B(); // creates object of class "B" defined in global scope // if not found, it tries to autoload class "B" new \D(); // creates object of class "D" defined in global scope // if not found, it tries to autoload class "D" new \F(); // creates object of class "F" defined in global scope // if not found, it tries to autoload class "F" // static methods/namespace functions from another namespace B\foo(); // calls function "foo" from namespace "A\B" B::foo(); // calls method "foo" of class "B" defined in namespace "A" // if class "A\B" not found, it tries to autoload class "A\B" D::foo(); // using import rules, calls method "foo" of class "D" defined in namespace "B" // if class "B\D" not found, it tries to autoload class "B\D" \B\foo(); // calls function "foo" from namespace "B" \B::foo(); // calls method "foo" of class "B" from global scope // if class "B" not found, it tries to autoload class "B" // static methods/namespace functions of current namespace A\B::foo(); // calls method "foo" of class "B" from namespace "A\A" // if class "A\A\B" not found, it tries to autoload class "A\A\B" \A\B::foo(); // calls method "foo" of class "B" from namespace "A" // if class "A\B" not found, it tries to autoload class "A\B" ?>
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