<?php
function uppercase(Traversable $in)
{
foreach ($in as $word) {
yield strtoupper($word);
}
}
function reverse(Traversable $in)
{
foreach ($in as $word) {
yield strrev($word);
}
}
function each_println(Traversable $in)
{
foreach ($in as $line) {
echo "$line\n";
}
}
function allAbove(Traversable $in)
{
foreach($in as $word) {
yield array('upper' => strtoupper($word), 'rev' => strrev($word), 'combined' => strrev(strtoupper($word)));
}
}
each_println(reverse(uppercase(new ArrayIterator(["foo", "bar", "baz"]))));
foreach(allAbove(new ArrayIterator(["foo", "bar", "baz"])) as $item) {
each_println(new ArrayIterator($item));
}
- Output for 5.5.0 - 5.5.38, 5.6.0 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.25, 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
- OOF
RAB
ZAB
FOO
oof
OOF
BAR
rab
RAB
BAZ
zab
ZAB
- Output for 5.4.0 - 5.4.45
- Parse error: syntax error, unexpected 'strtoupper' (T_STRING) in /in/hDRK5 on line 6
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 T_STRING in /in/hDRK5 on line 6
Process exited with code 255. - Output for 5.0.0 - 5.0.5
- Parse error: parse error, unexpected T_STRING in /in/hDRK5 on line 6
Process exited with code 255. - Output for 4.4.2 - 4.4.9
- Parse error: syntax error, unexpected T_STRING, expecting ')' in /in/hDRK5 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/hDRK5 on line 3
Process exited with code 255. - Output for 4.3.2 - 4.3.4
- Parse error: parse error, expecting `')'' in /in/hDRK5 on line 3
Process exited with code 255.
preferences:
293.48 ms | 401 KiB | 372 Q