<?php
interface FilterInterface {
public function filter($value);
}
class StringTrimFilter implements FilterInterface {
public function filter($value) {
return trim($value);
}
public function __invoke($value) {
var_dump(func_get_args());
return $this->filter($value);
}
}
$array = array(
' string 1 ',
'string 2',
'string 3 ',
);
foreach (new CallbackFilterIterator(new ArrayIterator($array), new StringTrimFilter()) as $value) {
var_dump($value);
}
- Output for 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.8 - 5.6.28, 7.0.0 - 7.0.20, 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(3) {
[0]=>
string(10) " string 1 "
[1]=>
int(0)
[2]=>
object(ArrayIterator)#2 (1) {
["storage":"ArrayIterator":private]=>
array(3) {
[0]=>
string(10) " string 1 "
[1]=>
string(8) "string 2"
[2]=>
string(11) "string 3 "
}
}
}
string(10) " string 1 "
array(3) {
[0]=>
string(8) "string 2"
[1]=>
int(1)
[2]=>
object(ArrayIterator)#2 (1) {
["storage":"ArrayIterator":private]=>
array(3) {
[0]=>
string(10) " string 1 "
[1]=>
string(8) "string 2"
[2]=>
string(11) "string 3 "
}
}
}
string(8) "string 2"
array(3) {
[0]=>
string(11) "string 3 "
[1]=>
int(2)
[2]=>
object(ArrayIterator)#2 (1) {
["storage":"ArrayIterator":private]=>
array(3) {
[0]=>
string(10) " string 1 "
[1]=>
string(8) "string 2"
[2]=>
string(11) "string 3 "
}
}
}
string(11) "string 3 "
- Output for 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29
- Fatal error: Class 'CallbackFilterIterator' not found in /in/1CVNr on line 24
Process exited with code 255. - Output for 4.4.2 - 4.4.9
- Parse error: syntax error, unexpected T_STRING in /in/1CVNr on line 2
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 in /in/1CVNr on line 2
Process exited with code 255. - Output for 4.3.2 - 4.3.4
- Parse error: parse error in /in/1CVNr on line 2
Process exited with code 255.
preferences:
231.3 ms | 401 KiB | 338 Q