Online PHP editor | output for nI6ho

@ 2015-10-07T18:39:40Z

<?php

function gen() {
  echo "yielding\n";
  yield 24;
  echo "returning\n";
  return 42;
}

$g = gen();
var_dump($g->valid());
var_dump($g->key());
var_dump($g->current());
$g->next();
var_dump($g->valid());
var_dump($g->key());
var_dump($g->current());
$g->next();
var_dump($g->valid());
var_dump($g->key());
var_dump($g->current());

Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 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 - 8.3.6: yielding bool(true) int(0) int(24) returning bool(false) NULL NULL bool(false) NULL NULL
Output for 5.5.0 - 5.5.38, 5.6.0 - 5.6.28: Fatal error: Generators cannot return values using "return" in /in/nI6ho on line 7
Process exited with code 255.
Output for 5.4.0 - 5.4.45: Parse error: syntax error, unexpected '24' (T_LNUMBER) in /in/nI6ho on line 5
Process exited with code 255.

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