(PHP 5 >= 5.3.0, PHP 7)
Examples:
Name resolutions illustrated
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 | <?phpnamespace A;use B\D, C\E as F;// function callsfoo(); // first tries to call "foo" defined in namespace "A" // then calls global function "foo"\foo(); // calls function "foo" defined in global scopemy\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 referencesnew 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 namespaceB\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 namespaceA\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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