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<?php function gen_one_to_three() { for ($i = 1; $i <= 3; $i++) { // Note that $i is preserved between yields. yield $i; } } $on = gen_one_to_three(); $two = gen_one_to_three(); $three = gen_one_to_three(); $merged = [$on, $two, $three]; foreach($merged as $g) { foreach($g as $m) { var_dump($m); } }
Output for 5.5.24 - 5.5.35, 5.6.7 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 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
int(1) int(2) int(3) int(1) int(2) int(3) int(1) int(2) int(3)
Output for 5.4.20 - 5.4.45
Parse error: syntax error, unexpected '$i' (T_VARIABLE) in /in/AP9tK on line 6
Process exited with code 255.
Output for 5.4.0 - 5.4.19
Parse error: syntax error, unexpected '$i' (T_VARIABLE) in /in/tgNNL on line 6
Process exited with code 255.
Output for 5.3.28 - 5.3.29
Parse error: syntax error, unexpected T_VARIABLE in /in/AP9tK on line 6
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, 5.3.0 - 5.3.27
Parse error: syntax error, unexpected T_VARIABLE in /in/tgNNL on line 6
Process exited with code 255.
Output for 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_VARIABLE in /in/tgNNL on line 6
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/tgNNL on line 6
Process exited with code 255.
Output for 4.3.0
Parse error: parse error, unexpected T_VARIABLE in /in/AP9tK on line 6
Process exited with code 255.
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