Funcții ale tablourilor (Array)
PHP Manual

sort

(PHP 4, PHP 5)

sortSort an array

Descrierea

bool sort ( array &$array [, int $sort_flags = SORT_REGULAR ] )

This function sorts an array. Elements will be arranged from lowest to highest when this function has completed.

Parametri

array

The input array.

sort_flags

The optional second parameter sort_flags may be used to modify the sorting behavior using these values:

Sorting type flags:

  • SORT_REGULAR - compare items normally (don't change types)
  • 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) with SORT_STRING or SORT_NATURAL to sort strings case-insensitively

Valorile întoarse

Întoarce valoarea TRUE în cazul succesului sau FALSE în cazul eșecului.

Istoria schimbărilor

Versiunea Descriere
5.4.0 Added support for SORT_NATURAL and SORT_FLAG_CASE as sort_flags
5.0.2 Added SORT_LOCALE_STRING

Exemple

Example #1 sort() example

<?php

$fruits 
= array("lemon""orange""banana""apple");
sort($fruits);
foreach (
$fruits as $key => $val) {
    echo 
"fruits[" $key "] = " $val "\n";
}

?>

Exemplul de mai sus va afișa:

fruits[0] = apple
fruits[1] = banana
fruits[2] = lemon
fruits[3] = orange

The fruits have been sorted in alphabetical order.

Example #2 sort() example using case-insensitive natural ordering

<?php

$fruits 
= array(
    
"Orange1""orange2""Orange3""orange20"
);
sort($fruitsSORT_NATURAL SORT_FLAG_CASE);
foreach (
$fruits as $key => $val) {
    echo 
"fruits[" $key "] = " $val "\n";
}

?>

Exemplul de mai sus va afișa:

fruits[0] = Orange1
fruits[1] = orange2
fruits[2] = Orange3
fruits[3] = orange20

The fruits have been sorted like natcasesort().

Note

Notă: Această funcție atribuie chei noi elementelor din array. Ea va elimina cheile existente, care posibil au fost atribuite, în loc doar să rearanjeze cheile.

Notă: Like most PHP sorting functions, sort() uses an implementation of » Quicksort.

Avertizare

Be careful when sorting arrays with mixed types values because sort() can produce unpredictable results.

Vedeți de asemenea


Funcții ale tablourilor (Array)
PHP Manual