1--TEST-- 2Testing variable variables as function name 3--FILE-- 4<?php 5 6$a = 'ucfirst'; 7$b = 'a'; 8print $$b('test'); 9print "\n"; 10 11 12class bar { 13 public function a() { 14 return "bar!"; 15 } 16} 17 18class foo { 19 public function test() { 20 print "foo!\n"; 21 return new bar; 22 } 23} 24 25function test() { 26 return new foo; 27} 28 29$a = 'test'; 30$b = 'a'; 31var_dump($$b()->$$b()->$b()); 32 33 34$a = 'strtoupper'; 35$b = 'a'; 36$c = 'b'; 37$d = 'c'; 38var_dump($$$$d('foo')); 39 40?> 41--EXPECT-- 42Test 43foo! 44string(4) "bar!" 45string(3) "FOO" 46
