# wddx_serialize_vars

(PHP 4, PHP 5, PHP 7)

wddx_serialize_vars — Serialize variables into a WDDX packet

Warning

This function has been DEPRECATED as of PHP 7.4.0. Relying on this function is highly discouraged.

### 说明

wddx_serialize_vars ( mixed `$var_name` [, mixed `$...` ] ) : string

Creates a WDDX packet with a structure that contains the serialized representation of the passed variables.

### 参数

This function takes a variable number of parameters.

`var_name`

  Can be either a string naming a variable or an array containing strings naming the variables or another array, etc.

`...`

### 返回值

Returns the WDDX packet, or `FALSE` on error.

### 范例

Example #1 wddx_serialize_vars() example

    <?php
    $a = 1;
    $b = 5.5;
    $c = array("blue", "orange", "violet");
    $d = "colors";

    $clvars = array("c", "d");
    echo wddx_serialize_vars("a", "b", $clvars);
    ?>

以上例程会输出：

    <wddxPacket version='1.0'><header/><data><struct><var name='a'><number>1</number></var>
    <var name='b'><number>5.5</number></var><var name='c'><array length='3'>
    <string>blue</string><string>orange</string><string>violet</string></array></var>
    <var name='d'><string>colors</string></var></struct></data></wddxPacket>