<?php
function array_flatten_iterator (array $array) {
foreach ($array as $value) {
if (is_array($value)) {
yield from array_flatten_iterator($value);
} else {
yield $value;
}
}
}
function array_flatten (array $array) {
return iterator_to_array(array_flatten_iterator($array, false));
}
$array = [
1,
2,
[
3,
4,
5,
[
6,
7
],
8,
9,
],
10,
11,
];
var_dump(array_flatten($array));
- Output for 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 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
- array(5) {
[0]=>
int(6)
[1]=>
int(7)
[2]=>
int(10)
[3]=>
int(11)
[4]=>
int(9)
}
- Output for 5.5.0 - 5.5.38, 5.6.0 - 5.6.40
- Parse error: syntax error, unexpected 'array_flatten_iterator' (T_STRING) in /in/GNERJ on line 6
Process exited with code 255. - Output for 5.4.0 - 5.4.45
- Parse error: syntax error, unexpected 'from' (T_STRING) in /in/GNERJ 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/GNERJ on line 6
Process exited with code 255. - Output for 5.0.0 - 5.0.5
- Parse error: parse error, unexpected T_ARRAY, expecting '&' or T_VARIABLE in /in/GNERJ on line 3
Process exited with code 255. - Output for 4.4.2 - 4.4.9
- Parse error: syntax error, unexpected T_ARRAY, expecting ')' in /in/GNERJ 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_ARRAY, expecting ')' in /in/GNERJ on line 3
Process exited with code 255. - Output for 4.3.2 - 4.3.4
- Parse error: parse error, expecting `')'' in /in/GNERJ on line 3
Process exited with code 255.
preferences:
332.25 ms | 401 KiB | 455 Q