略微加速

PHP官方手册 - 互联网笔记

PHP - Manual: wddx examples

2024-11-13

wddx examples

All the functions that serialize variables use the first element of an array to determine whether the array is to be serialized into an array or structure. If the first element has string key, then it is serialized into a structure, otherwise, into an array.

示例 #1 Serializing a single value with WDDX

<?php
echo wddx_serialize_value("PHP to WDDX packet example""PHP packet");
?>

This example will produce:

<wddxPacket version='1.0'><header comment='PHP packet'/><data>
<string>PHP to WDDX packet example</string></data></wddxPacket>

示例 #2 Using incremental packets with WDDX

<?php
$pi 
3.1415926;
$packet_id wddx_packet_start("PHP");
wddx_add_vars($packet_id"pi");

/* Suppose $cities came from database */
$cities = array("Austin""Novato""Seattle");
wddx_add_vars($packet_id"cities");

$packet wddx_packet_end($packet_id);
echo 
$packet;
?>

This example will produce:

<wddxPacket version='1.0'><header comment='PHP'/><data><struct>
<var name='pi'><number>3.1415926</number></var><var name='cities'>
<array length='3'><string>Austin</string><string>Novato</string>
<string>Seattle</string></array></var></struct></data></wddxPacket>

注意:

Strings should be encoded in UTF-8; to handle other encodings, convert the string first using mb_convert_encoding(), UConverter::transcode(), or iconv().

add a noteadd a note

User Contributed Notes

There are no user contributed notes for this page.

官方地址:https://www.php.net/manual/en/wddx.examples-serialize.php

北京半月雨文化科技有限公司.版权所有 京ICP备12026184号-3