Resource Types
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XSL
PHP Manual

# Predefined Constants

The constants below are defined by this extension, and will only be available when the extension has either been compiled into PHP or dynamically loaded at runtime.

`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_READ_FILE` (integer)
`XSL_SECPREF_WRITE_FILE` (integer)
`XSL_SECPREF_CREATE_DIRECTORY` (integer)
`XSL_SECPREF_READ_NETWORK` (integer)
`XSL_SECPREF_WRITE_NETWORK` (integer)