Appendix I. List of Resource Types

The following is a list of functions which create, use or destroy PHP resources. The function is_resource() can be used to determine if a variable is a resource and get_resource_type() will return the type of resource it is.

Table I-1. Resource Types

Resource Type Name	Created By	Used By	Destroyed By	Definition
aspell	aspell_new()	aspell_check(), aspell_check_raw(), aspell_suggest()	None	Aspell dictionary
bzip2	bzopen()	bzerrno(), bzerror(), bzerrstr(), bzflush(), bzread(), bzwrite()	bzclose()	Bzip2 file
COM	com_load()	com_invoke(), com_propget(), com_get(), com_propput(), com_set(), com_propput()	None	COM object reference
VARIANT
cpdf	cpdf_open()	cpdf_page_init(), cpdf_finalize_page(), cpdf_finalize(), cpdf_output_buffer(), cpdf_save_to_file(), cpdf_set_current_page(), cpdf_begin_text(), cpdf_end_text(), cpdf_show(), cpdf_show_xy(), cpdf_text(), cpdf_set_font(), cpdf_set_leading(), cpdf_set_text_rendering(), cpdf_set_horiz_scaling(), cpdf_set_text_rise(), cpdf_set_text_matrix(), cpdf_set_text_pos(), cpdf_set_text_pos(), cpdf_set_word_spacing(), cpdf_continue_text(), cpdf_stringwidth(), cpdf_save(), cpdf_translate(), cpdf_restore(), cpdf_scale(), cpdf_rotate(), cpdf_setflat(), cpdf_setlinejoin(), cpdf_setlinecap(), cpdf_setmiterlimit(), cpdf_setlinewidth(), cpdf_setdash(), cpdf_moveto(), cpdf_rmoveto(), cpdf_curveto(), cpdf_lineto(), cpdf_rlineto(), cpdf_circle(), cpdf_arc(), cpdf_rect(), cpdf_closepath(), cpdf_stroke(), cpdf_closepath_fill_stroke(), cpdf_fill_stroke(), cpdf_clip(), cpdf_fill(), cpdf_setgray_fill(), cpdf_setgray_stroke(), cpdf_setgray(), cpdf_setrgbcolor_fill(), cpdf_setrgbcolor_stroke(), cpdf_setrgbcolor(), cpdf_add_outline(), cpdf_set_page_animation(), cpdf_import_jpeg(), cpdf_place_inline_image(), cpdf_add_annotation()	cpdf_close()	PDF document with CPDF lib
cpdf outline
curl	curl_init()	curl_init(), curl_exec()	curl_close()	Curl session
dbm	dbmopen()	dbmexists(), dbmfetch(), dbminsert(), dbmreplace(), dbmdelete(), dbmfirstkey(), dbmnextkey()	dbmclose()	Link to DBM database
dba	dba_open()	dba_delete(), dba_exists(), dba_fetch(), dba_firstkey(), dba_insert(), dba_nextkey(), dba_optimize(), dba_replace(), dba_sync()	dba_close()	Link to DBA database
dba persistent	dba_popen()	dba_delete(), dba_exists(), dba_fetch(), dba_firstkey(), dba_insert(), dba_nextkey(), dba_optimize(), dba_replace(), dba_sync()	None	Persistent link to DBA database
dbase	dbase_open()	dbase_pack(), dbase_add_record(), dbase_replace_record(), dbase_delete_record(), dbase_get_record(), dbase_get_record_with_names(), dbase_numfields(), dbase_numrecords()	dbase_close()	Link to Dbase database
dbx_link_object	dbx_connect()	dbx_query()	dbx_close()	dbx connection
dbx_result_object	dbx_query()		None	dbx result
domxml attribute
domxml document
domxml node
xpath context
xpath object
fbsql database	fbsql_select_db()		None	fbsql database
fbsql link	fbsql_change_user(), fbsql_connect()	fbsql_autocommit(), fbsql_change_user(), fbsql_create_db(), fbsql_data_seek(), fbsql_db_query(), fbsql_drop_db(), (), fbsql_select_db(), fbsql_errno(), fbsql_error(), fbsql_insert_id(), fbsql_list_dbs()	fbsql_close()	Link to fbsql database
fbsql plink	fbsql_change_user(), fbsql_pconnect()	fbsql_autocommit(), fbsql_change_user(), fbsql_create_db(), fbsql_data_seek(), fbsql_db_query(), fbsql_drop_db(), (), fbsql_select_db(), fbsql_errno(), fbsql_error(), fbsql_insert_id(), fbsql_list_dbs()	None	Persistent link to fbsql database
fbsql result	fbsql_db_query(), fbsql_list_dbs(), fbsql_query(), fbsql_list_fields(), fbsql_list_tables(), fbsql_tablename()	fbsql_affected_rows(), fbsql_fetch_array(), fbsql_fetch_assoc(), fbsql_fetch_field(), fbsql_fetch_lengths(), fbsql_fetch_object(), fbsql_fetch_row(), fbsql_field_flags(), fbsql_field_name(), fbsql_field_len(), fbsql_field_seek(), fbsql_field_table(), fbsql_field_type(), fbsql_next_result(), fbsql_num_fields(), fbsql_num_rows(), fbsql_result(), fbsql_num_rows()	fbsql_free_result()	fbsql result
fdf	fdf_open()	fdf_create(), fdf_save(), fdf_get_value(), fdf_set_value(), fdf_next_field_name(), fdf_set_ap(), fdf_set_status(), fdf_get_status(), fdf_set_file(), fdf_get_file(), fdf_set_flags(), fdf_set_opt(), fdf_set_submit_form_action(), fdf_set_javascript_action()	fdf_close()	FDF File
ftp	ftp_connect()	ftp_login(), ftp_pwd(), ftp_cdup(), ftp_chdir(), ftp_mkdir(), ftp_rmdir(), ftp_nlist(), ftp_rawlist(), ftp_systype(), ftp_pasv(), ftp_get(), ftp_fget(), ftp_put(), ftp_fput(), ftp_size(), ftp_mdtm(), ftp_rename(), ftp_delete(), ftp_site()	ftp_quit()	FTP stream
gd	imagecreate(), imagecreatefromgif(), imagecreatefromjpeg(), imagecreatefrompng(), imagecreatefromwbmp(), imagecreatefromstring(), imagecreatetruecolor()	imagearc(), imagechar(), imagecharup(), imagecolorallocate(), imagecolorat(), imagecolorclosest(), imagecolorexact(), imagecolorresolve(), imagegammacorrect(), imagegammacorrect(), imagecolorset(), imagecolorsforindex(), imagecolorstotal(), imagecolortransparent(), imagecopy(), imagecopyresized(), imagedashedline(), imagefill(), imagefilledpolygon(), imagefilledrectangle(), imagefilltoborder(), imagegif(), imagepng(), imagejpeg(), imagewbmp(), imageinterlace(), imageline(), imagepolygon(), imagepstext(), imagerectangle(), imagesetpixel(), imagestring(), imagestringup(), imagesx(), imagesy(), imagettftext(), imagefilledarc(), imageellipse(), imagefilledellipse(), imagecolorclosestalpha(), imagecolorexactalpha(), imagecolorresolvealpha(), imagecopymerge(), imagecopymergegray(), imagecopyresampled(), imagetruecolortopalette(), imagesetbrush(), imagesettile(), imagesetthickness()	imagedestroy()	GD Image
gd font	imageloadfont()	imagechar(), imagecharup(), imagefontheight()	None	Font for GD
gd PS encoding
gd PS font	imagepsloadfont()	imagepstext(), imagepsslantfont(), imagepsextendfont(), imagepsencodefont(), imagepsbbox()	imagepsfreefont()	PS font for GD
GMP integer	gmp_init()	gmp_intval(), gmp_strval(), gmp_add(), gmp_sub(), gmp_mul(), gmp_div_q(), gmp_div_r(), gmp_div_qr(), gmp_div(), gmp_mod(), gmp_divexact(), gmp_cmp(), gmp_neg(), gmp_abs(), gmp_sign(), gmp_fact(), gmp_sqrt(), gmp_sqrtrm(), gmp_perfect_square(), gmp_pow(), gmp_powm(), gmp_prob_prime(), gmp_gcd(), gmp_gcdext(), gmp_invert(), gmp_legendre(), gmp_jacobi(), gmp_random(), gmp_and(), gmp_or(), gmp_xor(), gmp_setbit(), gmp_clrbit(), gmp_scan0(), gmp_scan1(), gmp_popcount(), gmp_hamdist()	None	GMP Number
hyperwave document	hw_cp(), hw_docbyanchor(), hw_getremote(), hw_getremotechildren()	hw_children(), hw_childrenobj(), hw_getparents(), hw_getparentsobj(), hw_getchildcoll(), hw_getchildcollobj(), hw_getremote(), hw_getsrcbydestobj(), hw_getandlock(), hw_gettext(), hw_getobjectbyquerycoll(), hw_getobjectbyquerycollobj(), hw_getchilddoccoll(), hw_getchilddoccollobj(), hw_getanchors(), hw_getanchorsobj(), hw_inscoll(), hw_pipedocument(), hw_unlock()	hw_deleteobject()	Hyperwave object
hyperwave link	hw_connect()	hw_children(), hw_childrenobj(), hw_cp(), hw_deleteobject(), hw_docbyanchor(), hw_docbyanchorobj(), hw_errormsg(), hw_edittext(), hw_error(), hw_getparents(), hw_getparentsobj(), hw_getchildcoll(), hw_getchildcollobj(), hw_getremote(), hw_getremotechildren(), hw_getsrcbydestobj(), hw_getobject(), hw_getandlock(), hw_gettext(), hw_getobjectbyquery(), hw_getobjectbyqueryobj(), hw_getobjectbyquerycoll(), hw_getobjectbyquerycollobj(), hw_getchilddoccoll(), hw_getchilddoccollobj(), hw_getanchors(), hw_getanchorsobj(), hw_mv(), hw_incollections(), hw_info(), hw_inscoll(), hw_insdoc(), hw_insertdocument(), hw_insertobject(), hw_mapid(), hw_modifyobject(), hw_pipedocument(), hw_unlock(), hw_who(), hw_getusername()	hw_close(), hw_free_document()	Link to Hyperwave server
hyperwave link persistent	hw_pconnect()	hw_children(), hw_childrenobj(), hw_cp(), hw_deleteobject(), hw_docbyanchor(), hw_docbyanchorobj(), hw_errormsg(), hw_edittext(), hw_error(), hw_getparents(), hw_getparentsobj(), hw_getchildcoll(), hw_getchildcollobj(), hw_getremote(), hw_getremotechildren(), hw_getsrcbydestobj(), hw_getobject(), hw_getandlock(), hw_gettext(), hw_getobjectbyquery(), hw_getobjectbyqueryobj(), hw_getobjectbyquerycoll(), hw_getobjectbyquerycollobj(), hw_getchilddoccoll(), hw_getchilddoccollobj(), hw_getanchors(), hw_getanchorsobj(), hw_mv(), hw_incollections(), hw_info(), hw_inscoll(), hw_insdoc(), hw_insertdocument(), hw_insertobject(), hw_mapid(), hw_modifyobject(), hw_pipedocument(), hw_unlock(), hw_who(), hw_getusername()	None	Persistent link to Hyperwave server
icap	icap_open()	icap_fetch_event(), icap_list_events(), icap_store_event(), icap_snooze(), icap_list_alarms(), icap_delete_event()	icap_close()	Link to icap server
imap	imap_open()	imap_append(), imap_body(), imap_check(), imap_createmailbox(), imap_delete(), imap_deletemailbox(), imap_expunge(), imap_fetchbody(), imap_fetchstructure(), imap_headerinfo(), imap_header(), imap_headers(), imap_listmailbox(), imap_getmailboxes(), imap_get_quota(), imap_status(), imap_listsubscribed(), imap_set_quota(), imap_set_quota(), imap_getsubscribed(), imap_mail_copy(), imap_mail_move(), imap_num_msg(), imap_num_recent(), imap_ping(), imap_renamemailbox(), imap_reopen(), imap_subscribe(), imap_undelete(), imap_unsubscribe(), imap_scanmailbox(), imap_mailboxmsginfo(), imap_fetchheader(), imap_uid(), imap_msgno(), imap_search(), imap_fetch_overview()	imap_close()	Link to IMAP, POP3 server
imap chain persistent
imap persistent
ingres	ingres_connect()	ingres_query(), ingres_num_rows(), ingres_num_fields(), ingres_field_name(), ingres_field_type(), ingres_field_nullable(), ingres_field_length(), ingres_field_precision(), ingres_field_scale(), ingres_fetch_array(), ingres_fetch_row(), ingres_fetch_object(), ingres_rollback(), ingres_commit(), ingres_autocommit()	ingres_close()	Link to ingresII base
ingres persistent	ingres_pconnect()	ingres_query(), ingres_num_rows(), ingres_num_fields(), ingres_field_name(), ingres_field_type(), ingres_field_nullable(), ingres_field_length(), ingres_field_precision(), ingres_field_scale(), ingres_fetch_array(), ingres_fetch_row(), ingres_fetch_object(), ingres_rollback(), ingres_commit(), ingres_autocommit()	None	Persistent link to ingresII base
interbase blob
interbase link	ibase_connect()	ibase_query(), ibase_prepare(), ibase_trans()	ibase_close()	Link to Interbase database
interbase link persistent	ibase_pconnect()	ibase_query(), ibase_prepare(), ibase_trans()	None	Persistent link to Interbase database
interbase query	ibase_prepare()	ibase_execute()	ibase_free_query()	Interbase query
interbase result	ibase_query()	ibase_fetch_row(), ibase_fetch_object(), ibase_field_info(), ibase_num_fields()	ibase_free_result()	Interbase Result
interbase transaction	ibase_trans()	ibase_commit()	ibase_rollback()	Interbase transaction
java
ldap link	ldap_connect(), ldap_search()	ldap_count_entries(), ldap_first_attribute(), ldap_first_entry(), ldap_get_attributes(), ldap_get_dn(), ldap_get_entries(), ldap_get_values(), ldap_get_values_len(), ldap_next_attribute(), ldap_next_entry()	ldap_close()	ldap connection
ldap result	ldap_read()	ldap_add(), ldap_compare(), ldap_bind(), ldap_count_entries(), ldap_delete(), ldap_errno(), ldap_error(), ldap_first_attribute(), ldap_first_entry(), ldap_get_attributes(), ldap_get_dn(), ldap_get_entries(), ldap_get_values(), ldap_get_values_len(), ldap_get_option(), ldap_list(), ldap_modify(), ldap_mod_add(), ldap_mod_replace(), ldap_next_attribute(), ldap_next_entry(), ldap_mod_del(), ldap_set_option(), ldap_unbind()	ldap_free_result()	ldap search result
ldap result entry
mcal	mcal_open(), mcal_popen()	mcal_create_calendar(), mcal_rename_calendar(), mcal_rename_calendar(), mcal_delete_calendar(), mcal_fetch_event(), mcal_list_events(), mcal_append_event(), mcal_store_event(), mcal_delete_event(), mcal_list_alarms(), mcal_event_init(), mcal_event_set_category(), mcal_event_set_title(), mcal_event_set_description(), mcal_event_set_start(), mcal_event_set_end(), mcal_event_set_alarm(), mcal_event_set_class(), mcal_next_recurrence(), mcal_event_set_recur_none(), mcal_event_set_recur_daily(), mcal_event_set_recur_weekly(), mcal_event_set_recur_monthly_mday(), mcal_event_set_recur_monthly_wday(), mcal_event_set_recur_yearly(), mcal_fetch_current_stream_event(), mcal_event_add_attribute(), mcal_expunge()	mcal_close()	Link to calendar server
SWFAction
SWFBitmap
SWFButton
SWFDisplayItem
SWFFill
SWFFont
SWFGradient
SWFMorph
SWFMovie
SWFShape
SWFSprite
SWFText
SWFTextField
mnogosearch agent
mnogosearch result
msql link	msql_connect()	msql(), msql_create_db(), msql_createdb(), msql_drop_db(), msql_drop_db(), msql_select_db(), msql_select_db()	msql_close()	Link to mSQL database
msql link persistent	msql_pconnect()	msql(), msql_create_db(), msql_createdb(), msql_drop_db(), msql_drop_db(), msql_select_db(), msql_select_db()	None	Persistent link to mSQL
msql query	msql_query()	msql(), msql_affected_rows(), msql_data_seek(), msql_dbname(), msql_fetch_array(), msql_fetch_field(), msql_fetch_object(), msql_fetch_row(), msql_fieldname(), msql_field_seek(), msql_fieldtable(), msql_fieldtype(), msql_fieldflags(), msql_fieldlen(), msql_num_fields(), msql_num_rows(), msql_numfields(), msql_numrows(), msql_result()	msql_free_result(), msql_free_result()	mSQL result
mssql link	mssql_connect()	mssql_query(), mssql_select_db()	mssql_close()	Link to Microsft SQL Server database
mssql link persistent	mssql_pconnect()	mssql_query(), mssql_select_db()	None	Persistent link to Microsft SQL Server
mssql result	mssql_query()	mssql_data_seek(), mssql_fetch_array(), mssql_fetch_field(), mssql_fetch_object(), mssql_fetch_row(), mssql_field_length(), mssql_field_name(), mssql_field_seek(), mssql_field_type(), mssql_num_fields(), mssql_num_rows(), mssql_result()	mssql_free_result()	Microsft SQL Server result
mysql link	mysql_connect()	mysql_affected_rows(), mysql_change_user(), mysql_create_db(), mysql_data_seek(), mysql_db_name(), mysql_db_query(), mysql_drop_db(), mysql_errno(), mysql_error(), mysql_insert_id(), mysql_list_dbs(), mysql_list_fields(), mysql_list_tables(), mysql_query(), mysql_result(), mysql_select_db(), mysql_tablename(), mysql_get_host_info(), mysql_get_proto_info(), mysql_get_server_info()	mysql_close()	Link to MySQL database
mysql link persistent	mysql_pconnect()	mysql_affected_rows(), mysql_change_user(), mysql_create_db(), mysql_data_seek(), mysql_db_name(), mysql_db_query(), mysql_drop_db(), mysql_errno(), mysql_error(), mysql_insert_id(), mysql_list_dbs(), mysql_list_fields(), mysql_list_tables(), mysql_query(), mysql_result(), mysql_select_db(), mysql_tablename(), mysql_get_host_info(), mysql_get_proto_info(), mysql_get_server_info()	None	Persistent link to MySQL database
mysql result	mysql_db_query(), mysql_list_dbs(), mysql_list_fields(), mysql_list_tables(), mysql_query()	mysql_data_seek(), mysql_db_name(), mysql_fetch_array(), mysql_fetch_assoc(), mysql_fetch_field(), mysql_fetch_lengths(), mysql_fetch_object(), mysql_fetch_row(), mysql_fetch_row(), mysql_field_flags(), mysql_field_name(), mysql_field_len(), mysql_field_seek(), mysql_field_table(), mysql_field_type(), mysql_num_fields(), mysql_num_rows(), mysql_result(), mysql_tablename()	mysql_free_result()	MySQL result
oci8 collection
oci8 connection	ocilogon(), ociplogon(), ocinlogon()	ocicommit(), ociserverversion(), ocinewcursor(), ociparse(), ocierror()	ocilogoff()	Link to Oracle database
oci8 descriptor
oci8 server
oci8 session
oci8 statement	ocinewdescriptor()	ocirollback(), ocinewdescriptor(), ocirowcount(), ocidefinebyname(), ocibindbyname(), ociexecute(), ocinumcols(), ociresult(), ocifetch(), ocifetchinto(), ocifetchstatement(), ocicolumnisnull(), ocicolumnname(), ocicolumnsize(), ocicolumntype(), ocistatementtype(), ocierror()	ocifreestatement()	Oracle Cursor
odbc link	odbc_connect()	odbc_autocommit(), odbc_commit(), odbc_error(), odbc_errormsg(), odbc_exec(), odbc_tables(), odbc_tableprivileges(), odbc_do(), odbc_prepare(), odbc_columns(), odbc_columnprivileges(), odbc_procedurecolumns(), odbc_specialcolumns(), odbc_rollback(), odbc_setoption(), odbc_gettypeinfo(), odbc_primarykeys(), odbc_foreignkeys(), odbc_procedures(), odbc_statistics()	odbc_close()	Link to ODBC database
odbc link persistent	odbc_connect()	odbc_autocommit(), odbc_commit(), odbc_error(), odbc_errormsg(), odbc_exec(), odbc_tables(), odbc_tableprivileges(), odbc_do(), odbc_prepare(), odbc_columns(), odbc_columnprivileges(), odbc_procedurecolumns(), odbc_specialcolumns(), odbc_rollback(), odbc_setoption(), odbc_gettypeinfo(), odbc_primarykeys(), odbc_foreignkeys(), odbc_procedures(), odbc_statistics()	None	Persistent link to ODBC database
odbc result	odbc_prepare()	odbc_binmode(), odbc_cursor(), odbc_execute(), odbc_fetch_into(), odbc_fetch_row(), odbc_field_name(), odbc_field_num(), odbc_field_type(), odbc_field_len(), odbc_field_precision(), odbc_field_scale(), odbc_longreadlen(), odbc_num_fields(), odbc_num_rows(), odbc_result(), odbc_result_all(), odbc_setoption()	odbc_free_result()	ODBC result
birdstep link
birdstep result
OpenSSL key	openssl_get_privatekey(), openssl_get_publickey()	openssl_sign(), openssl_seal(), openssl_open(), openssl_verify()	openssl_free_key()	OpenSSL key
OpenSSL X.509	openssl_x509_read()	openssl_x509_parse(), openssl_x509_checkpurpose()	openssl_x509_free()	Public Key
oracle Cursor	ora_open()	ora_bind(), ora_columnname(), ora_columnsize(), ora_columntype(), ora_error(), ora_errorcode(), ora_exec(), ora_fetch(), ora_fetch_into(), ora_getcolumn(), ora_numcols(),