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<?php function gen_one_to_three() { for ($i = 1; $i <= 3; $i++) { yield $i; echo $a; } } $generator = gen_one_to_three(); foreach ($generator as $value) { var_dump($value); }
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.7
int(1) Warning: Undefined variable $a in /in/E5W2J on line 7 int(2) Warning: Undefined variable $a in /in/E5W2J on line 7 int(3) Warning: Undefined variable $a in /in/E5W2J on line 7
Output for 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.31, 7.4.0 - 7.4.33
int(1) Notice: Undefined variable: a in /in/E5W2J on line 7 int(2) Notice: Undefined variable: a in /in/E5W2J on line 7 int(3) Notice: Undefined variable: a in /in/E5W2J on line 7
Output for 7.3.32 - 7.3.33
int(1) int(2) int(3)
Output for 5.4.0 - 5.4.45
Parse error: syntax error, unexpected '$i' (T_VARIABLE) in /in/E5W2J 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 - 5.3.29
Parse error: syntax error, unexpected T_VARIABLE in /in/E5W2J on line 6
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_VARIABLE in /in/E5W2J on line 6
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/E5W2J on line 6
Process exited with code 255.
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312.46 ms | 401 KiB | 458 Q