@ 2015-03-24T15:45:17Z <?php
$data = [
'one' => '...',
'two' => [
'three' => '...',
'four' => '...',
'five' => [
'six' => '...',
'seven' => '...',
],
],
];
$fields = [
'one',
'two' => [
'four',
'five' => [
'seven',
],
],
];
var_dump(filterRecursive($data, $fields));
function filterRecursive(array $data, array $fields)
{
foreach ( $data as $key => &$value ) {
if ( is_array($fields[$key]) ) {
$value = filterRecursive($value, $fields[$key]);
} elseif ( !in_array($key, $fields) ) {
unset($value);
}
}
return $data;
}
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Output for 8.0.0 - 8.0.30 , 8.1.0 - 8.1.28 , 8.2.0 - 8.2.18 , 8.3.0 - 8.3.6 Warning: Undefined array key "one" in /in/Cust8 on line 30
Warning: Undefined array key "three" in /in/Cust8 on line 30
Warning: Undefined array key "four" in /in/Cust8 on line 30
Warning: Undefined array key "six" in /in/Cust8 on line 30
Warning: Undefined array key "seven" in /in/Cust8 on line 30
array(2) {
["one"]=>
string(3) "..."
["two"]=>
array(3) {
["three"]=>
string(3) "..."
["four"]=>
string(3) "..."
["five"]=>
array(2) {
["six"]=>
string(3) "..."
["seven"]=>
string(3) "..."
}
}
}
Output for 5.4.0 - 5.4.45 , 5.5.0 - 5.5.38 , 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 - 7.3.31 , 7.4.0 - 7.4.33 Notice: Undefined index: one in /in/Cust8 on line 30
Notice: Undefined index: three in /in/Cust8 on line 30
Notice: Undefined index: four in /in/Cust8 on line 30
Notice: Undefined index: six in /in/Cust8 on line 30
Notice: Undefined index: seven in /in/Cust8 on line 30
array(2) {
["one"]=>
string(3) "..."
["two"]=>
array(3) {
["three"]=>
string(3) "..."
["four"]=>
string(3) "..."
["five"]=>
array(2) {
["six"]=>
string(3) "..."
["seven"]=>
string(3) "..."
}
}
}
Output for 7.3.32 - 7.3.33 array(2) {
["one"]=>
string(3) "..."
["two"]=>
array(3) {
["three"]=>
string(3) "..."
["four"]=>
string(3) "..."
["five"]=>
array(2) {
["six"]=>
string(3) "..."
["seven"]=>
string(3) "..."
}
}
}
Output for 4.4.2 - 4.4.9 , 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/Cust8 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 , 5.0.0 - 5.0.5 Parse error: parse error, unexpected '[' in /in/Cust8 on line 3
Process exited with code 255 . Output for 4.3.2 - 4.3.4 Parse error: parse error in /in/Cust8 on line 3
Process exited with code 255 . preferences:dark mode live preview
247.61 ms | 401 KiB | 459 Q