PHP array_column() Funksie
Voorbeeld
Kry kolom van vanne uit 'n rekordstel:
<?php
// An array that represents a possible record set returned from a database
$a = array(
array(
'id' => 5698,
'first_name' => 'Peter',
'last_name' => 'Griffin',
),
array(
'id' => 4767,
'first_name' => 'Ben',
'last_name' => 'Smith',
),
array(
'id' => 3809,
'first_name' => 'Joe',
'last_name' => 'Doe',
)
);
$last_names = array_column($a, 'last_name');
print_r($last_names);
?>
Uitset:
Array
(
[0] => Griffin
[1] => Smith
[2] => Doe
)
Definisie en gebruik
Die array_column()-funksie gee die waardes van 'n enkele kolom in die invoerskikking terug.
Sintaksis
array_column(array, column_key, index_key)
Parameterwaardes
Parameter | Description |
---|---|
array | Required. Specifies the multi-dimensional array (record-set) to use. As of PHP 7.0, this can also be an array of objects. |
column_key | Required. An integer key or a string key name of the column of values to return. This parameter can also be NULL to return complete arrays (useful together with index_key to re-index the array) |
index_key | Optional. The column to use as the index/keys for the returned array |
Tegniese besonderhede
Terugkeerwaarde: | Wys 'n reeks waardes wat 'n enkele kolom van die invoerskikking verteenwoordig |
---|---|
PHP weergawe: | 5,5+ |
Meer voorbeelde
Voorbeeld
Kry kolom van vanne van 'n rekordstel, geïndekseer deur die "id" kolom:
<?php
// An array that represents a possible record set returned from a database
$a = array(
array(
'id' => 5698,
'first_name' => 'Peter',
'last_name' => 'Griffin',
),
array(
'id' => 4767,
'first_name' => 'Ben',
'last_name' => 'Smith',
),
array(
'id' => 3809,
'first_name' => 'Joe',
'last_name' => 'Doe',
)
);
$last_names = array_column($a, 'last_name', 'id');
print_r($last_names);
?>
Uitset:
Array
(
[5698] => Griffin
[4767] => Smith
[3809] => Doe
)
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