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<?php namespace GeneratorExample; function uppercase(Traversable $in) { foreach ($in as $word) { yield strtoupper($word); } } function reverse(Traversable $in) { foreach ($in as $word) { yield strrev($word); } } function each_println(Traversable $in) { foreach ($in as $line) { echo "$line\n"; } } $words = new ArrayIterator(["foo", "bar", "baz"]); each_println(reverse(uppercase($words)));
Output for git.master, git.master_jit, rfc.property-hooks
Fatal error: Uncaught Error: Class "GeneratorExample\ArrayIterator" not found in /in/giPqJ:26 Stack trace: #0 {main} thrown in /in/giPqJ on line 26
Process exited with code 255.

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