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<?php function ping_pong() { for ($i = 1; $i <= 10; $i++) { echo 'func - pre yield: ' . $i . PHP_EOL; $val = (yield 'stof'); echo 'func - post yield: ' . $i . PHP_EOL; } } $generator = ping_pong(); foreach ($generator as $value) { echo 'func - pre send: ' . $value . PHP_EOL; echo 'pong: ' . $generator->send($value) . PHP_EOL; echo 'func - post send: ' . $value . PHP_EOL; }
Output for 5.5.24 - 5.5.35, 5.6.8 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.10, 7.2.0 - 7.2.33, 7.3.16 - 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 - 8.3.4, 8.3.6
func - pre yield: 1 func - pre send: stof func - post yield: 1 func - pre yield: 2 pong: stof func - post send: stof func - post yield: 2 func - pre yield: 3 func - pre send: stof func - post yield: 3 func - pre yield: 4 pong: stof func - post send: stof func - post yield: 4 func - pre yield: 5 func - pre send: stof func - post yield: 5 func - pre yield: 6 pong: stof func - post send: stof func - post yield: 6 func - pre yield: 7 func - pre send: stof func - post yield: 7 func - pre yield: 8 pong: stof func - post send: stof func - post yield: 8 func - pre yield: 9 func - pre send: stof func - post yield: 9 func - pre yield: 10 pong: stof func - post send: stof func - post yield: 10
Output for 8.3.5
Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0 func - pre yield: 1 func - pre send: stof func - post yield: 1 func - pre yield: 2 pong: stof func - post send: stof func - post yield: 2 func - pre yield: 3 func - pre send: stof func - post yield: 3 func - pre yield: 4 pong: stof func - post send: stof func - post yield: 4 func - pre yield: 5 func - pre send: stof func - post yield: 5 func - pre yield: 6 pong: stof func - post send: stof func - post yield: 6 func - pre yield: 7 func - pre send: stof func - post yield: 7 func - pre yield: 8 pong: stof func - post send: stof func - post yield: 8 func - pre yield: 9 func - pre send: stof func - post yield: 9 func - pre yield: 10 pong: stof func - post send: stof func - post yield: 10
Output for 5.4.0 - 5.4.45
Parse error: syntax error, unexpected ''stof'' (T_CONSTANT_ENCAPSED_STRING) in /in/UTpfr on line 8
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_CONSTANT_ENCAPSED_STRING in /in/UTpfr on line 8
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_CONSTANT_ENCAPSED_STRING in /in/UTpfr on line 8
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/UTpfr on line 8
Process exited with code 255.

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