1.2.677. Method Is A Generator

This rule marks functions, methods, … that are using yield and yield from keywords. The usage of that keyword makes them Generator <https://www.php.net/manual/en/class.`generator.php>`_, as is show by the compulsory return type of Generator.

<?php

function generator() {
    yield from generator2();

    return 3;
}

function generator2() {
    yield 1;
    yield 2;
}

?>

See also Generators overview.

1.2.677.1. Specs

Short name	Functions/IsGenerator
Rulesets	All, Appinfo, CE, Changed Behavior
Exakat since	0.8.4
PHP Version	All
Severity
Time To Fix
Precision	Very high
Features	generator, yield, yield-from
Available in	Entreprise Edition, Community Edition, Exakat Cloud