<?php
$array = Array
(
'name' => 'richard',
'email' => 'richard@gmail.com',
'address' => Array
(
'city' => 'paris',
'zip' => 12121
),
'address1' => Array
(
'city' => 'paris',
'zip' => 12121
),
'address3' => Array
(
'city' => 'paris',
'zip' => 12121
)
);
function list_keys($array) {
$output = array();
foreach ($array as $k => $v) {
if (is_array($v)) {
foreach (list_keys($v) as $path) {
$output[] = "$k.$path";
}
}
else {
$output[] = $k;
}
}
return $output;
}
print_r(list_keys($array));
- Output for 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
(
[0] => name
[1] => email
[2] => address.city
[3] => address.zip
[4] => address1.city
[5] => address1.zip
[6] => address3.city
[7] => address3.zip
)
- 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
(
[0] => name
[1] => email
[2] => address.city
[3] => address.zip
[4] => address1.city
[5] => address1.zip
[6] => address3.city
[7] => address3.zip
)
preferences:
165.07 ms | 402 KiB | 211 Q