<?php
function recursive_select($data, callable $callback, $flag = \RecursiveIteratorIterator::SELF_FIRST, $preserve_keys = FALSE) {
return iterator_to_array(new \CallbackFilterIterator(new \RecursiveIteratorIterator(new \RecursiveArrayIterator($data), $flag), $callback), $preserve_keys);
}
$multi=[['A',['B',['CC','CCCC','CCCCCC'],['DDD','EFG','HIJ','LMNOP']]],['2'],'b',[[],[],[]]];
$array = array(1,2,[3,4],5,'six',array(array('78',9)),10);
$multi_output = recursive_select($multi, function ($value) {
return is_string($value);
});
$array_output = recursive_select($array, function ($value) {
return is_numeric($value) || is_string($value);
});
var_dump($multi_output, $array_output);
- Output for 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 - 8.3.4, 8.3.6
- array(11) {
[0]=>
string(1) "A"
[1]=>
string(1) "B"
[2]=>
string(2) "CC"
[3]=>
string(4) "CCCC"
[4]=>
string(6) "CCCCCC"
[5]=>
string(3) "DDD"
[6]=>
string(3) "EFG"
[7]=>
string(3) "HIJ"
[8]=>
string(5) "LMNOP"
[9]=>
string(1) "2"
[10]=>
string(1) "b"
}
array(9) {
[0]=>
int(1)
[1]=>
int(2)
[2]=>
int(3)
[3]=>
int(4)
[4]=>
int(5)
[5]=>
string(3) "six"
[6]=>
string(2) "78"
[7]=>
int(9)
[8]=>
int(10)
}
- Output for 8.3.5
- Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0
array(11) {
[0]=>
string(1) "A"
[1]=>
string(1) "B"
[2]=>
string(2) "CC"
[3]=>
string(4) "CCCC"
[4]=>
string(6) "CCCCCC"
[5]=>
string(3) "DDD"
[6]=>
string(3) "EFG"
[7]=>
string(3) "HIJ"
[8]=>
string(5) "LMNOP"
[9]=>
string(1) "2"
[10]=>
string(1) "b"
}
array(9) {
[0]=>
int(1)
[1]=>
int(2)
[2]=>
int(3)
[3]=>
int(4)
[4]=>
int(5)
[5]=>
string(3) "six"
[6]=>
string(2) "78"
[7]=>
int(9)
[8]=>
int(10)
}
preferences:
219.35 ms | 403 KiB | 291 Q