note 124802 added to function.count
| From: | max at schimmelmann dot org | Date: | Sun, 08 Mar 2020 00:12:29 +0000 |
| Subject: | note 124802 added to function.count | ||
| Groups: | php.notes | ||
| Request: | Send a blank email to php-notes+get-214297@lists.php.net to get a copy of this message | ||
In special situations you might only want to count the first level of the array to figure out how
many entries you have, when they have N more key-value-pairs.
<?php
$data = [
'a' => [
'bla1' => [
0 => 'asdf',
1 => 'asdf',
2 => 'asdf',
],
'bla2' => [
0 => 'asdf',
1 => 'asdf',
2 => 'asdf',
],
'bla3' => [
0 => 'asdf',
1 => 'asdf',
2 => 'asdf',
],
'bla4' => [
0 => 'asdf',
1 => 'asdf',
2 => 'asdf',
],
],
'b' => [
'bla1' => [
0 => 'asdf',
1 => 'asdf',
2 => 'asdf',
],
'bla2' => [
0 => 'asdf',
1 => 'asdf',
2 => 'asdf',
],
],
'c' => [
'bla1' => [
0 => 'asdf',
1 => 'asdf',
2 => 'asdf',
]
]
];
$count = array_sum(array_values(array_map('count', $data)));
// will return int(7)
var_dump($count);
// will return 31
var_dump(count($data, 1));
?>
----
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