1--TEST-- 2Generator::getReturn() success cases 3--FILE-- 4<?php 5 6function gen1() { 7 return 42; 8 yield 24; 9} 10 11$gen = gen1(); 12// Calling getReturn() directly here is okay due to auto-priming 13var_dump($gen->getReturn()); 14 15function gen2() { 16 yield 24; 17 return 42; 18} 19 20$gen = gen2(); 21var_dump($gen->current()); 22$gen->next(); 23var_dump($gen->getReturn()); 24 25// & for generators specifies by-reference yield, not return 26// so it's okay to return a literal 27function &gen3() { 28 $var = 24; 29 yield $var; 30 return 42; 31} 32 33$gen = gen3(); 34var_dump($gen->current()); 35$gen->next(); 36var_dump($gen->getReturn()); 37 38// Return types for generators specify the return of the function, 39// not of the generator return value, so this code is okay 40function gen4() : Generator { 41 yield 24; 42 return 42; 43} 44 45$gen = gen4(); 46var_dump($gen->current()); 47$gen->next(); 48var_dump($gen->getReturn()); 49 50// Has no explicit return, but implicitly return NULL at the end 51function gen5() { 52 yield 24; 53} 54 55$gen = gen5(); 56var_dump($gen->current()); 57$gen->next(); 58var_dump($gen->getReturn()); 59 60// Explicit value-less return also results in a NULL generator 61// return value and there is no interference with type declarations 62function gen6() : Generator { 63 return; 64 yield 24; 65} 66 67$gen = gen6(); 68var_dump($gen->getReturn()); 69 70?> 71--EXPECTF-- 72int(42) 73int(24) 74int(42) 75int(24) 76int(42) 77int(24) 78int(42) 79int(24) 80NULL 81NULL 82