<?php
function executeFns(Generator $fnProvider, $args = [])
{
$lastResult = 0;
while ($fnProvider->valid()) {
try {
$fn = $fnProvider->current();
$lastResult = $fn($lastResult);
$fnProvider->send($lastResult);
} catch (Exception $e) {
$fnProvider->throw($e);
}
}
}
$fns = [
function ($n) { return $n + 1; },
function ($n) { return $n + 2; },
function ($n) { return $n + 3; },
function ($n) { return $n + 4; },
function ($n) { throw new Exception('Throwin\' \'cepshuns, just cuz!'); }
];
function debuggingFnProvider(array $fns)
{
foreach ($fns as $fn) {
try {
$result = (yield $fn);
echo "Result: {$result}\n";
} catch (Exception $e) {
echo "Error: " . $e->getMessage() . "\n";
}
}
}
executeFns(debuggingFnProvider($fns));
- Output for 5.5.24 - 5.5.35, 5.6.8 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 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 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
- Result: 1
Result: 3
Result: 6
Result: 10
Error: Throwin' 'cepshuns, just cuz!
- Output for 5.4.0 - 5.4.45
- Parse error: syntax error, unexpected '$fn' (T_VARIABLE) in /in/c6CpN on line 29
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/c6CpN on line 3
Process exited with code 255. - Output for 5.0.0 - 5.0.5
- Parse error: parse error, unexpected '[' in /in/c6CpN on line 3
Process exited with code 255. - Output for 4.4.2 - 4.4.9
- Parse error: syntax error, unexpected T_STRING, expecting ')' in /in/c6CpN 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 ')' in /in/c6CpN on line 3
Process exited with code 255. - Output for 4.3.2 - 4.3.4
- Parse error: parse error, expecting `')'' in /in/c6CpN on line 3
Process exited with code 255.
preferences:
273.33 ms | 401 KiB | 308 Q