note 124524 added to function.array-column
| From: | unixolutions at gmail dot com | Date: | Thu, 19 Dec 2019 18:06:11 +0000 |
| Subject: | note 124524 added to function.array-column | ||
| Groups: | php.notes | ||
| Request: | Send a blank email to php-notes+get-213557@lists.php.net to get a copy of this message | ||
For those who may need to return more than one column:
function array_columns($input, $columns=array(), $index_key=null)
{
$result = array();
$idx_list = array();
if (is_scalar($index_key) && !empty($index_key)) {
$idx_list = array_column($input, $index_key);
} else {
$idx_list = array_fill(0, count($input));
}
foreach ($columns as $key) {
if (is_scalar($key) && !empty($key)) {
reset($idx_list);
foreach (array_column($input, $key) as $value) {
$idx = current($idx_list);
if (!isset($result[$idx])) {
$result[$idx] = array();
}
$result[$idx][$key] = $value;
next($idx_list);
}
}
}
return $result;
}
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Manual Page -- http://php.net/manual/en/function.array-column.php
Edit -- https://master.php.net/note/edit/124524
Del: integrated -- https://master.php.net/note/delete/124524/integrated
Del: useless -- https://master.php.net/note/delete/124524/useless
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Del: non-english -- https://master.php.net/note/delete/124524/non-english
Del: in docs -- https://master.php.net/note/delete/124524/in+docs
Del: other reasons-- https://master.php.net/note/delete/124524
Reject -- https://master.php.net/note/reject/124524
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