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PHP5中文手册
DomDocumentType->system_id()(No version information available, might be only in CVS) DomDocumentType->system_id() — Returns the system id of document type 说明DomDocumentType
string system_id
( void
)
Returns the system id of the document type. 返回值Returns the system id of the DomDocumentType, as a string. 范例
Example#1 Retrieving the system id
<?php 上例将输出:
Migrating to PHP 5Use the systemId property of the DOMDocumentType object. |