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<?php function new_closure_gen() { return function() { static $foo = 0; //return array(++$foo); yield ++$foo; }; } $closure1 = new_closure_gen(); $closure2 = new_closure_gen(); $gen1 = $closure1(); $gen2 = $closure1(); $gen3 = $closure2(); foreach (array($gen1, $gen2, $gen3) as $gen) { foreach ($gen as $val) { print "$val\n"; } }
Output for 5.5.5 - 5.5.38, 5.6.0 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.10, 7.2.0 - 7.2.33, 7.3.12 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
1 2 1
Output for 5.5.0 - 5.5.4
1 1 1
Output for 5.4.0 - 5.4.45
Parse error: syntax error, unexpected '++' (T_INC) in /in/EV5o7 on line 7
Process exited with code 255.
Output for 5.3.0 - 5.3.29
Parse error: syntax error, unexpected T_INC in /in/EV5o7 on line 7
Process exited with code 255.
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17
Parse error: syntax error, unexpected T_FUNCTION in /in/EV5o7 on line 4
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1, 5.0.0 - 5.0.5
Parse error: parse error, unexpected T_FUNCTION in /in/EV5o7 on line 4
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/EV5o7 on line 4
Process exited with code 255.

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