Online PHP editor | output for G7kGk

@ 2014-02-26T14:22:12Z

<?php
function gen() {
    $ret = (yield 'yield1');
    var_dump($ret);
    $ret = (yield 'yield2');
    var_dump($ret);
}

$gen = gen();
var_dump($gen->current());    // string(6) "yield1"
var_dump($gen->send('ret1')); // string(4) "ret1"   (the first var_dump in gen)
                              // string(6) "yield2" (the var_dump of the ->send() return value)
var_dump($gen->send('ret2')); // string(4) "ret2"   (again from within gen)
                              // NULL               (the return value of ->send())

Output for 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.34, 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: string(6) "yield1" string(4) "ret1" string(6) "yield2" string(4) "ret2" NULL
Output for 5.4.0 - 5.4.45: Parse error: syntax error, unexpected ''yield1'' (T_CONSTANT_ENCAPSED_STRING) in /in/G7kGk on line 3
Process exited with code 255.
Output for 5.3.0 - 5.3.29: Parse error: syntax error, unexpected T_CONSTANT_ENCAPSED_STRING in /in/G7kGk on line 3
Process exited with code 255.

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