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<?php function gen1() { yield 11; yield 12; yield 13; } function gen2() { yield from [1, 2, 3]; yield 21; yield 22; yield 23; } $g = gen2(); $c = $g->current(); echo "C: $c\n"; $g->next(); $c = $g->current(); echo "C: $c\n"; foreach ($g as $val) { echo "$val\n"; }
Output for git.master, git.master_jit, rfc.property-hooks
C: 1 C: 2 Fatal error: Uncaught Exception: Cannot rewind a generator that was already run in /in/QsnP3:24 Stack trace: #0 {main} thrown in /in/QsnP3 on line 24
Process exited with code 255.

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