预定义常量
下列常量由此扩展定义,且仅在此扩展编译入 PHP 或在运行时动态载入时可用。
- 
    XSL_CLONE_AUTO(integer)
- 
    XSL_CLONE_NEVER(integer)
- 
    XSL_CLONE_ALWAYS(integer)
- 
    LIBXSLT_VERSION(integer)
- libxslt version like 10117. Available as of PHP 5.1.2.
- 
    LIBXSLT_DOTTED_VERSION(string)
- libxslt version like 1.1.17. Available as of PHP 5.1.2.
- 
    LIBEXSLT_VERSION(integer)
- libexslt version like 813. Available as of PHP 5.1.2.
- 
    LIBEXSLT_DOTTED_VERSION(string)
- libexslt version like 1.1.17. Available as of PHP 5.1.2.
- 
    XSL_SECPREF_NONE(integer)
- Deactivate all security restrictions.
- 
    XSL_SECPREF_READ_FILE(integer)
- Disallows reading files.
- 
    XSL_SECPREF_WRITE_FILE(integer)
- Disallows writing files.
- 
    XSL_SECPREF_CREATE_DIRECTORY(integer)
- Disallows creating directories.
- 
    XSL_SECPREF_READ_NETWORK(integer)
- Disallows reading network files.
- 
    XSL_SECPREF_WRITE_NETWORK(integer)
- Disallows writing network files.
- 
    XSL_SECPREF_DEFAULT(integer)
- 
    
     Disallows all write access, i.e. a bitmask of
     XSL_SECPREF_WRITE_NETWORK|XSL_SECPREF_CREATE_DIRECTORY|XSL_SECPREF_WRITE_FILE.