函数:wddx_serialize_vars()
wddx_serialize_vars
将多值连续化。
语法: string wddx_serialize_vars(string var_name | array var_names [, ... ] );
返回值: 字符串
函数种类: 资料处理
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| 内容说明 |
本函数将多数值连续化，并将它送到 WDDX 封包中。参数依次为值的内容，可以是字符串或是数组。
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| 使用范例 |
<?php
$a = 1;
$b = 5.5;
$c = array("blue", "orange", "violet");
$d = "colors";
$clvars = array("c", "d");
print wddx_serialize_vars("a", "b", $clvars);
?>
返回浏览器的资料为
<wddxPacket version='0.9'><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>
例一: 本例将单一值连续化
<?php
print wddx_serialize_value("PHP to WDDX packet example", "PHP packet");
?>
返回到浏览器的资料为
<wddxPacket version='0.9'><header comment='PHP packet'/><data>
<string>PHP to WDDX packet example</string></data></wddxPacket>
例二: 本例将 WDDX 封包加入资料
<?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);
print htmlentities($packet);
?>
返回到浏览器的资料为
<wddxPacket version='0.9'><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>
