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<?php function nums() { $ary = [24,25,26,27,28,29,30,31,32]; foreach ( $ary as $x ) { $cmd = (yield $ary[$x]); // yield expr /*if ($cmd == 'stop') { echo 'Stopped and closed generator',"\n"; return; }*/ } } $gen = nums(); foreach ($gen as $value) { echo "$value at iteration $times","\n"; if ($value == 28) { // don't let it past 28 $gen->send('stop'); } }
Output for git.master, git.master_jit, rfc.property-hooks
Warning: Undefined array key 24 in /in/ahA2R on line 6 Warning: Undefined variable $times in /in/ahA2R on line 16 at iteration Warning: Undefined array key 25 in /in/ahA2R on line 6 Warning: Undefined variable $times in /in/ahA2R on line 16 at iteration Warning: Undefined array key 26 in /in/ahA2R on line 6 Warning: Undefined variable $times in /in/ahA2R on line 16 at iteration Warning: Undefined array key 27 in /in/ahA2R on line 6 Warning: Undefined variable $times in /in/ahA2R on line 16 at iteration Warning: Undefined array key 28 in /in/ahA2R on line 6 Warning: Undefined variable $times in /in/ahA2R on line 16 at iteration Warning: Undefined array key 29 in /in/ahA2R on line 6 Warning: Undefined variable $times in /in/ahA2R on line 16 at iteration Warning: Undefined array key 30 in /in/ahA2R on line 6 Warning: Undefined variable $times in /in/ahA2R on line 16 at iteration Warning: Undefined array key 31 in /in/ahA2R on line 6 Warning: Undefined variable $times in /in/ahA2R on line 16 at iteration Warning: Undefined array key 32 in /in/ahA2R on line 6 Warning: Undefined variable $times in /in/ahA2R on line 16 at iteration

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