PHP 7.1.21 Released

ArrayObject::ksort

(PHP 5 >= 5.2.0, PHP 7)

ArrayObject::ksortSort the entries by key

说明

public void ArrayObject::ksort ( void )

Sorts the entries by key, maintaining key to entry correlations. This is useful mainly for associative arrays.

参数

此函数没有参数。

返回值

没有返回值。

范例

Example #1 ArrayObject::ksort() example

<?php
$fruits 
= array("d" => "lemon""a" => "orange""b" => "banana""c" => "apple");
$fruitArrayObject = new ArrayObject($fruits);
$fruitArrayObject->ksort();

foreach (
$fruitArrayObject as $key => $val) {
    echo 
"$key = $val\n";
}
 
?>

以上例程会输出:

a = orange
b = banana
c = apple
d = lemon

参见

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