ArrayObject::asort
(PHP 5 >= 5.2.0, PHP 7, PHP 8)
ArrayObject::asort — Sort the entries by value
Descrição
public ArrayObject::asort
( int
$flags = SORT_REGULAR
) : voidSorts the entries such that the keys maintain their correlation with the entries they are associated with. This is used mainly when sorting associative arrays where the actual element order is significant.
Parâmetros
-
flags -
The optional second parameter
flagsmay be used to modify the sorting behavior using these values:Sorting type flags:
-
SORT_REGULAR- compare items normally; the details are described in the comparison operators section -
SORT_NUMERIC- compare items numerically -
SORT_STRING- compare items as strings -
SORT_LOCALE_STRING- compare items as strings, based on the current locale. It uses the locale, which can be changed using setlocale() -
SORT_NATURAL- compare items as strings using "natural ordering" like natsort() -
SORT_FLAG_CASE- can be combined (bitwise OR) withSORT_STRINGorSORT_NATURALto sort strings case-insensitively
-
Valor Retornado
Não há valor retornado.
Exemplos
Exemplo #1 ArrayObject::asort() example
<?php
$fruits = array("d" => "lemon", "a" => "orange", "b" => "banana", "c" => "apple");
$fruitArrayObject = new ArrayObject($fruits);
$fruitArrayObject->asort();
foreach ($fruitArrayObject as $key => $val) {
echo "$key = $val\n";
}
?>
O exemplo acima irá imprimir:
c = apple b = banana d = lemon a = orange
The fruits have been sorted in alphabetical order, and the key associated with each entry has been maintained.
Veja Também
- ArrayObject::ksort() - Sort the entries by key
- ArrayObject::natsort() - Sort entries using a "natural order" algorithm
- ArrayObject::natcasesort() - Sort an array using a case insensitive "natural order" algorithm
- ArrayObject::uasort() - Sort the entries with a user-defined comparison function and maintain key association
- ArrayObject::uksort() - Sort the entries by keys using a user-defined comparison function
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