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PHP yield Keyword

❮ PHP Keywords

Example

Use yield to create a generator function:

<?php
function countTo3() {
  yield "1";
  yield "2";
  yield "3";
}

foreach(countTo3() as $number) {
  echo $number;
  echo "<br>";
}
?>
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Definition and Usage

The yield keyword is used to create a generator function. Generator functions act as iterators which can be looped through with a foreach loop.

The value given by the yield keyword is used as a value in one of the iterations of the loop.


Related Pages

The foreach keyword.

The yield from keyword.


❮ PHP Keywords