<?php
function mutate($value, Generator $mutator)
{
while ($mutator->valid()) {
try {
$fn = $mutator->current();
$value = $fn($value);
$mutator->send($value);
} catch (Exception $e) {
$mutator->throw($e);
}
}
}
$mutations = [
function ($n) { return $n + 1; },
function ($n) { return $n + 2; },
function ($n) { return $n + 3; },
function ($n) { return $n + 4; },
];
function debuggingMutator(array $mutations)
{
foreach ($mutations as $mutation) {
$result = (yield $mutation);
echo "Result: {$result}\n";
}
}
mutate(0, debuggingMutator($mutations));
- Output for 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
- Result: 1
Result: 3
Result: 6
Result: 10
- Output for 5.4.0 - 5.4.45
- Parse error: syntax error, unexpected '$mutation' (T_VARIABLE) in /in/IIStN on line 26
Process exited with code 255. - Output for 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29
- Parse error: syntax error, unexpected '[' in /in/IIStN on line 16
Process exited with code 255. - Output for 5.0.0 - 5.0.5
- Parse error: parse error, unexpected '[' in /in/IIStN on line 16
Process exited with code 255. - Output for 4.4.2 - 4.4.9
- Parse error: syntax error, unexpected T_STRING, expecting '&' or T_VARIABLE or T_CONST in /in/IIStN on line 3
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
- Parse error: parse error, unexpected T_STRING, expecting '&' or T_VARIABLE or T_CONST in /in/IIStN on line 3
Process exited with code 255. - Output for 4.3.2 - 4.3.4
- Parse error: parse error, expecting `'&'' or `T_VARIABLE' or `T_CONST' in /in/IIStN on line 3
Process exited with code 255.
preferences:
309.91 ms | 401 KiB | 459 Q