gistfile1.txt

<?php

function test()
{
        $list = [1, 2, 3];
        $doubles = [foreach ($list as $number) yield $number * 2];
        print_r($doubles);
}

test();

==================

[Tue Mar 18 20:49:21 2014]  Script:  '/Users/tjerk/work/php-src/Zend/tests/list-comprehension.php'
/Users/tjerk/work/php-src/Zend/zend_execute_API.c(1774) :  Freeing 0x10BDBB0B0 (72 bytes), script=/Users/tjerk/work/php-src/Zend/tests/list-comprehension.php
[Tue Mar 18 20:49:21 2014]  Script:  '/Users/tjerk/work/php-src/Zend/tests/list-comprehension.php'
/Users/tjerk/work/php-src/Zend/zend_hash.c(269) :  Freeing 0x10BDBB158 (64 bytes), script=/Users/tjerk/work/php-src/Zend/tests/list-comprehension.php
/Users/tjerk/work/php-src/Zend/zend_alloc.c(2583) : Actual location (location was relayed)
[Tue Mar 18 20:49:21 2014]  Script:  '/Users/tjerk/work/php-src/Zend/tests/list-comprehension.php'
/Users/tjerk/work/php-src/Zend/zend_hash.c(298) :  Freeing 0x10BDBB1F8 (77 bytes), script=/Users/tjerk/work/php-src/Zend/tests/list-comprehension.php
=== Total 3 memory leaks detected ===