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run code in 200+ php & hhvm versions
Bugs & Features
<?php function gen() { // TODO: HHVM currently does not support yield from (or yield) as // expressions. As such, this test had to be slightly modified. // The original line was: // var_dump(yield from gen($a + 1)); //$b = yield from gen($a + 1); yield 1; yield 2; var_dump('in the middle of gen'); yield 3; yield 4; } function bar($gen) { // TODO: HHVM currently does not support yield from (or yield) as // expressions. As such, this test had to be slightly modified. // The original line was: // var_dump(yield from gen($a + 1)); yield from $gen; } /* Twice a Generator from bar() using yield from on $gen */ $gen = gen(); $gens[] = bar($gen); $gens[] = bar($gen); do { foreach ($gens as $g) { var_dump($g->current()); $g->next(); } } while($gens[0]->valid()); var_dump($gens[1]->valid());
Output for 7.0.1 - 7.2.0
int(1) int(2) string(20) "in the middle of gen" int(3) int(4) int(4) NULL bool(false)
Output for 7.0.0
int(1) int(2) string(20) "in the middle of gen" int(3) int(4) bool(false)
Output for 5.5.24 - 5.6.28
Parse error: syntax error, unexpected '$gen' (T_VARIABLE) in /in/MsXZA on line 21
Process exited with code 255.
Output for 5.4.9 - 5.4.45
Parse error: syntax error, unexpected '1' (T_LNUMBER) in /in/MsXZA on line 9
Process exited with code 255.
Output for 5.3.19 - 5.3.29
Parse error: syntax error, unexpected T_LNUMBER in /in/MsXZA on line 9
Process exited with code 255.