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run code in 200+ php & hhvm versions
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<?php function gen1() { yield 1; yield 2; return 42; } function gen2() { yield 3; yield 4; } function genEarlyReturn() { return 23; yield 2; } function testGen($g) { foreach($g as $val) { var_dump($val); } echo "Returning\n"; var_dump($g->getReturn()); echo "=========\n"; } testGen(gen1()); testGen(gen2()); testGen(genEarlyReturn());
based on Z6cM9
Output for 7.0.0 - 7.2.0
int(1) int(2) Returning int(42) ========= int(3) int(4) Returning NULL ========= Returning int(23) =========
Output for 5.5.24 - 5.6.28
Fatal error: Generators cannot return values using "return" in /in/l2EpC on line 6
Process exited with code 255.
Output for 5.4.2 - 5.4.45
Parse error: syntax error, unexpected '1' (T_LNUMBER) in /in/l2EpC on line 4
Process exited with code 255.
Output for 5.3.18 - 5.3.29
Parse error: syntax error, unexpected T_LNUMBER in /in/l2EpC on line 4
Process exited with code 255.