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PHP编程:第4版
book

PHP编程:第4版

by Kevin Tatroe, Peter MacIntyre
January 2021
Intermediate to advanced
505 pages
9h 45m
Chinese
Publishing House of Electronics Industry
Content preview from PHP编程:第4版
288
12
XML
xml_set_element_handler()
函数来设置处理程序
xml_set_element_handler(
parser
,
start_element
,
end_element
);
参数
start_element
end_element
是处理程序函数的名字。
开始元素处理程序在
XML
解析器碰到元素的开始时会被调用
startElementHandler
(
parser, element, &attributes
);
开始元素处理程序传递了三个参数
:调用处理程序的
XML
解析器引用、开启元素的名
称、包含解析器碰到元素属性的数组。为了提高性能,
$attributes
数组按引用传递。
示例
12-2
包含开始元素处理程序的代码。这个处理程序仅仅打印粗体的元素名字和灰色
的属性。
示例 12-2:开始元素处理程序
function startElement($parser, $name, $attributes) {
$outputAttributes = array();
if (count($attributes)) {
foreach($attributes as $key => $value) {
$outputAttributes[] = "<font color=\"gray\">{$key}=\"{$value}\"</font>";
}
}
echo "&lt;<b>{$name}</b> " . join(' ', $outputAttributes) ...
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Publisher Resources

ISBN: 9787121404634