Online PHP editor | output for MsXZA

@ 2015-11-11T20:41:20Z

<?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 - 7.0.20, 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.16 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.4, 8.3.6: int(1) int(2) string(20) "in the middle of gen" int(3) int(4) int(4) NULL bool(false)
Output for 8.3.5: Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 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 - 5.5.35, 5.6.8 - 5.6.28: Parse error: syntax error, unexpected '$gen' (T_VARIABLE) in /in/MsXZA on line 21
Process exited with code 255.

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