In PHP 5 there are some new functions. Here is the list of them:
   
- 
      ibase_affected_rows() - Return the number of rows
      that were affected by the previous query
     
- 
      ibase_backup() - Initiates a backup task in the
      service manager and returns immediately
     
- 
      ibase_commit_ret() - Commit a transaction without
      closing it
     
- 
      ibase_db_info() - Request statistics about a
      database
     
- 
      ibase_drop_db() - Drops a database
     
- 
      ibase_errcode() - Return an error code
     
- 
      ibase_free_event_handler() - Cancels a registered
      event handler
     
- 
      ibase_gen_id() - Increments the named generator and
      returns its new value
     
- 
      ibase_maintain_db() - Execute a maintenance command
      on the database server
     
- 
      ibase_name_result() - Assigns a name to a result set
     
- 
      ibase_num_params() - Return the number of parameters
      in a prepared query
     
- 
      ibase_param_info() - Return information about a
      parameter in a prepared query
     
- 
      ibase_restore() - Initiates a restore task in the
      service manager and returns immediately
     
- 
      ibase_rollback_ret() - Rollback transaction and
      retain the transaction context
     
- 
      ibase_server_info() - Request statistics about a
      database
     
- 
      ibase_service_attach() - Connect to the service manager
     
- 
      ibase_service_detach() - Disconnect from the service manager
     
- 
      ibase_set_event_handler() - Register a callback
      function to be called when events are posted
     
- 
      ibase_wait_event() - Wait for an event to be posted
      by the database
     
- 
      convert_uudecode() - decode a uuencoded string
     
- 
      convert_uuencode() - uuencode a string
     
- 
      dba_key_split() - Splits a key in string
      representation into array representation
     
- 
      dbase_get_header_info() - Get the header info of a
      dBase database
     
- 
      dbx_fetch_row() - Fetches rows from a query-result
      that had the DBX_RESULT_UNBUFFERED flag set
     
- 
      fbsql_set_password() - Change the password for a given user
     
- 
      file_put_contents() - Write a string to a file
     
- 
      ftp_alloc() - Allocates space for a file to be
      uploaded
     
- 
      get_declared_interfaces() - Returns an array of all
      declared interfaces
     
- 
      get_headers() - Fetches all the headers sent by the
      server in response to a HTTP request
     
- 
      headers_list() - Returns a list of response headers
      sent (or ready to send)
     
- 
      http_build_query() - Generate URL-encoded query string
     
- 
      idate() - Format a local time/date as integer
     
- 
      image_type_to_extension() - Get file extension for
      image-type returned by getimagesize(),
      exif_read_data(),
      exif_thumbnail(),
      exif_imagetype()
     
- 
      imagefilter() - Applies Filter an image using a
      custom angle 
     
- 
      imap_getacl() - Gets the ACL for a given mailbox
     
- 
      ldap_sasl_bind() - Bind to LDAP directory using SASL
     
- 
      pcntl_getpriority() - Get the priority of any
      process
     
- 
      pcntl_wait() - Waits on or returns the status of a
      forked child as defined by the waitpid() system call
     
- 
      pg_version() - Returns an array with client, protocol
      and server version (when available)
     
- 
      php_check_syntax() - Check the syntax of the
      specified file
     
- 
      php_strip_whitespace() - Return source with stripped
      comments and whitespace
     
- 
      proc_nice() - Change the priority of the current
      process
     
- 
      pspell_config_data_dir() - Change location of
      language data files
     
- 
      pspell_config_dict_dir() - Change location of the
      main word list
     
- 
      setrawcookie() - Send a cookie with no url encoding
      of the value
     
- 
      snmp_read_mib() - Reads and parses a MIB file into
      the active MIB tree
     
- 
      sqlite_fetch_column_types() - Return an array of
      column types from a particular table
     
- 
      str_split() - Convert a string to an array
     
- 
      strpbrk() - Search a string for any of a set of
      characters
     
- 
      substr_compare() - Binary safe optionally case
      insensitive comparison of two strings from an offset, up to length
      characters
     
- 
      time_nanosleep() - Delay for a number of seconds and
      nano seconds