# 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.

`SVN_REVISION_HEAD` (int)
  Magic number (-1) specifying the HEAD revision

Constants usable with svn_auth_set_parameter()
`SVN_AUTH_PARAM_DEFAULT_USERNAME` (string)
  Property for default username to use when performing basic authentication
`SVN_AUTH_PARAM_DEFAULT_PASSWORD` (string)
  Property for default password to use when performing basic authentication
`SVN_AUTH_PARAM_NON_INTERACTIVE` (string)
`SVN_AUTH_PARAM_DONT_STORE_PASSWORDS` (string)
`SVN_AUTH_PARAM_NO_AUTH_CACHE` (string)
`SVN_AUTH_PARAM_SSL_SERVER_FAILURES` (string)
`SVN_AUTH_PARAM_SSL_SERVER_CERT_INFO` (string)
`SVN_AUTH_PARAM_CONFIG` (string)
`SVN_AUTH_PARAM_SERVER_GROUP` (string)
`SVN_AUTH_PARAM_CONFIG_DIR` (string)
`PHP_SVN_AUTH_PARAM_IGNORE_SSL_VERIFY_ERRORS` (string)
  Custom property for ignoring SSL cert verification errors

Filesystem constants
`SVN_FS_CONFIG_FS_TYPE` (string)
  Configuration key that determines filesystem type
`SVN_FS_TYPE_BDB` (string)
  Filesystem is Berkeley-DB implementation
`SVN_FS_TYPE_FSFS` (string)
  Filesystem is native-filesystem implementation

Reserved property constants
`SVN_PROP_REVISION_DATE` (string)
  svn:date
`SVN_PROP_REVISION_ORIG_DATE` (string)
  svn:original-date
`SVN_PROP_REVISION_AUTHOR` (string)
  svn:author
`SVN_PROP_REVISION_LOG` (string)
  svn:log

Working copy status constants
`SVN_WC_STATUS_NONE` (int)
  Status does not exist
`SVN_WC_STATUS_UNVERSIONED` (int)
  Item is not versioned in working copy
`SVN_WC_STATUS_NORMAL` (int)
  Item exists, nothing else is happening
`SVN_WC_STATUS_ADDED` (int)
  Item is scheduled for addition
`SVN_WC_STATUS_MISSING` (int)
  Item is versioned but missing from the working copy
`SVN_WC_STATUS_DELETED` (int)
  Item is scheduled for deletion
`SVN_WC_STATUS_REPLACED` (int)
  Item was deleted and then re-added
`SVN_WC_STATUS_MODIFIED` (int)
  Item (text or properties) was modified
`SVN_WC_STATUS_MERGED` (int)
  Item's local modifications were merged with repository modifications
`SVN_WC_STATUS_CONFLICTED` (int)
  Item's local modifications conflicted with repository modifications
`SVN_WC_STATUS_IGNORED` (int)
  Item is unversioned but configured to be ignored
`SVN_WC_STATUS_OBSTRUCTED` (int)
  Unversioned item is in the way of a versioned resource
`SVN_WC_STATUS_EXTERNAL` (int)
  Unversioned path that is populated using svn:externals
`SVN_WC_STATUS_INCOMPLETE` (int)
  Directory does not contain complete entries list

Node type constants
`SVN_NODE_NONE` (int)
  Absent
`SVN_NODE_FILE` (int)
  File
`SVN_NODE_DIR` (int)
  Directory
`SVN_NODE_UNKNOWN` (int)
  Something Subversion cannot identify

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