Tipos de recursos PHP

Tipos de recursos PHP#

A continuación se presenta la lista de funciones que crean, utilizan o destruyen los recursos PHP. Se puede determinar si una variable contiene un recurso con la función is_resource, y el tipo de recurso que se está utilizando con la función get_resource_type.

Recurso	Construido por	Utilizado por	Destruido por	Definición
AddressInfo	socket_addrinfo_lookup	socket_addrinfo_bind, socket_addrinfo_connect, socket_addrinfo_explain,	Ninguno	AddressInfo (extensión sockets)
bzip2	bzopen	bzerrno, bzerror, bzerrstr, bzflush, bzread, bzwrite	bzclose	Fichero bzip2
Conexión cubrid	cubrid_connect cubrid_connect_with_url	cubrid_col_get cubrid_col_size cubrid_commit cubrid_drop cubrid_execute cubrid_get_autocommit cubrid_get_charset cubrid_get_class_name cubrid_get_db_parameter cubrid_get_server_info cubrid_get cubrid_insert_id cubrid_is_instance cubrid_lob_export cubrid_lob_get cubrid_lob_send cubrid_lock_read cubrid_lock_write cubrid_prepare cubrid_put cubrid_rollback cubrid_schema cubrid_seq_drop cubrid_seq_insert cubrid_seq_put cubrid_set_add cubrid_set_autocommit cubrid_set_db_parameter cubrid_set_drop cubrid_affected_rows cubrid_client_encoding cubrid_errno cubrid_error cubrid_list_dbs cubrid_ping cubrid_query cubrid_real_escape_string	cubrid_close cubrid_disconnect	Conexión a una base de datos CUBRID
Conexión cubrid persistente	cubrid_pconnect cubrid_pconnect_with_url	cubrid_col_get cubrid_col_size cubrid_commit cubrid_drop cubrid_execute cubrid_get_autocommit cubrid_get_charset cubrid_get_class_name cubrid_get_db_parameter cubrid_get_server_info cubrid_get cubrid_insert_id cubrid_is_instance cubrid_lob_export cubrid_lob_get cubrid_lob_send cubrid_lock_read cubrid_lock_write cubrid_prepare cubrid_put cubrid_rollback cubrid_schema cubrid_seq_drop cubrid_seq_insert cubrid_seq_put cubrid_set_add cubrid_set_autocommit cubrid_set_db_parameter cubrid_set_drop cubrid_affected_rows cubrid_client_encoding cubrid_errno cubrid_error cubrid_list_dbs cubrid_ping cubrid_query cubrid_real_escape_string cubrid_lob2_new		Conexión persistente a una base de datos CUBRID
Consulta cubrid	cubrid_prepare cubrid_execute cubrid_query cubrid_unbuffered_query	cubrid_bind cubrid_column_names cubrid_column_types cubrid_current_oid cubrid_execute cubrid_free_result cubrid_get_query_timeout cubrid_move_cursor cubrid_next_result cubrid_num_cols cubrid_num_rows cubrid_set_query_timeout cubrid_data_seek cubrid_fetch_array cubrid_fetch_assoc cubrid_fetch_field cubrid_fetch_lengths cubrid_fetch_object cubrid_fetch_row cubrid_field_flags cubrid_field_len cubrid_field_name cubrid_field_seek cubrid_field_table cubrid_field_type cubrid_num_fields cubrid_result cubrid_lob2_bind	cubrid_close_prepare cubrid_close_request	Consulta CUBRID
cubrid lob	cubrid_lob_get	cubrid_lob_export cubrid_lob_send cubrid_lob_size	cubrid_lob_close	Ninguno
cubrid lob2	cubrid_lob2_new cubrid_fetch cubrid_fetch_row cubrid_fetch_array cubrid_fetch_assoc cubrid_fetch_object	cubrid_lob2_export cubrid_lob2_import cubrid_lob2_read cubrid_lob2_write cubrid_lob2_tell cubrid_lob2_tell64 cubrid_lob2_seek cubrid_lob2_seek64 cubrid_lob2_size cubrid_lob2_size64	cubrid_lob2_close	Ninguno
curl	curl_copy_handle, curl_init	curl_copy_handle, curl_errno, curl_error, curl_exec, curl_getinfo, curl_setopt	curl_close	Manejador cURL
curl_multi	curl_multi_init	curl_multi_errno, curl_multi_exec, curl_multi_info_read, curl_multi_remove_handle, curl_multi_select, curl_multi_setopt	curl_multi_close	Manejador múltiple cURL
curl_share	curl_share_init	curl_share_errno, curl_share_setopt	curl_share_close	Manejador compartido cURL
dba	dba_open	dba_delete, dba_exists, dba_fetch, dba_firstkey, dba_insert, dba_nextkey, dba_optimize, dba_replace, dba_sync	dba_close	Enlace a una base de datos DBA
dba persistente	dba_popen	dba_delete, dba_exists, dba_fetch, dba_firstkey, dba_insert, dba_nextkey, dba_optimize, dba_replace, dba_sync	Ninguno	Enlace persistente a una base de datos DBA
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	Enlace a una base de datos dbase
enchant_broker	enchant_broker_init	enchant_broker_describe, enchant_broker_dict_exists, enchant_broker_get_dict_path, enchant_broker_get_error, enchant_broker_list_dicts, enchant_broker_set_dict_path, enchant_broker_set_ordering	enchant_broker_free	Intermediario Enchant (anterior a PHP 8.0.0)
enchant_dict	enchant_broker_request_dict enchant_broker_request_pwl_dict	enchant_dict_add_to_personal, enchant_dict_add_to_session, enchant_dict_check, enchant_dict_describe, enchant_dict_get_error, enchant_dict_is_in_session, enchant_dict_store_replacement, enchant_dict_suggest	enchant_broker_free_dict	Diccionario Enchant (anterior a PHP 8.0.0)
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	Fichero FDF
ftp	ftp_connect, ftp_ssl_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_alloc, ftp_chmod, ftp_exec, ftp_get_option, ftp_nb_continue, ftp_nb_fget, ftp_nb_fput, ftp_nb_get, ftp_nb_put, ftp_raw, ftp_set_option	ftp_close	Conexión FTP (anterior a PHP 8.1.0)
gd	imagecreate, imagecreatefromgd, imagecreatefromgd2, imagecreatefromgd2part, imagecreatefromgif, imagecreatefromjpeg, imagecreatefrompng, imagecreatefromwbmp, imagecreatefromstring, imagecreatefromxbm, imagecreatefromxpm, imagecreatetruecolor, imagerotate	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, imagerectangle, imagerotate, imagesetpixel, imagestring, imagestringup, imagesx, imagesy, imagettftext, imagefilledarc, imageellipse, imagefilledellipse, imagecolorclosestalpha, imagecolorexactalpha, imagecolorresolvealpha, imagecopymerge, imagecopymergegray, imagecopyresampled, imagetruecolortopalette, imagesetbrush, imagesettile, imagesetthickness, image2wbmp, imagealphablending, imageantialias, imagecolorallocatealpha, imagecolorclosesthwb, imagecolordeallocate, imagecolormatch, imagefilter, imagefttext, imagegd, imagegd2, imageistruecolor, imagelayereffect, imagepalettecopy, imagesavealpha, imagesetstyle, imagexbm	imagedestroy	Imagen GD (anterior a PHP 8.0.0)
gd font	imageloadfont	imagechar, imagecharup, imagefontheight	Ninguno	Fuente para GD (anterior a PHP 8.1.0)
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	Enlace a un servidor IMAP o POP3 (anterior a PHP 8.1.0)
interbase blob	ibase_blob_create, ibase_blob_import, ibase_blob_open	ibase_blob_add, ibase_blob_cancel, ibase_blob_echo, ibase_blob_get, ibase_blob_info	ibase_blob_close
interbase link	ibase_connect	ibase_query, ibase_prepare, ibase_trans	ibase_close	Enlace a una base de datos Interbase
interbase link persistent	ibase_pconnect	ibase_query, ibase_prepare, ibase_trans	Ninguno	Enlace persistente a una base de datos Interbase
interbase query	ibase_prepare	ibase_execute	ibase_free_query	Consulta Interbase
interbase result	ibase_query	ibase_fetch_row, ibase_fetch_object, ibase_field_info, ibase_num_fields	ibase_free_result	Resultado Interbase
interbase transaction	ibase_trans	ibase_commit	ibase_rollback	Transacción Interbase
ldap link (anterior a PHP 8.1.0)	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	Enlace a un servidor LDAP
ldap result (anterior a PHP 8.1.0)	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	Resultado de búsqueda LDAP
ldap result entry (anterior a PHP 8.1.0)
mailparse_mail_structure	mailparse_msg_create mailparse_msg_parse_file	mailparse_msg_extract_part_file mailparse_msg_extract_part mailparse_msg_extract_whole_part_file mailparse_msg_get_part_data mailparse_msg_get_part mailparse_msg_get_structure mailparse_msg_parse	mailparse_msg_free
mysql link	mysql_connect	mysql_affected_rows, 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	Enlace a una base de datos MySQL
mysql link persistent	mysql_pconnect	mysql_affected_rows, 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	Ninguno	Enlace persistente a una base de datos MySQL
mysql result	mysql_db_query, mysql_list_dbs, mysql_list_fields, mysql_list_processes, mysql_list_tables, mysql_query, mysql_unbuffered_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	Resultado MySQL
Colección oci8	oci_new_collection	OCICollection::append, OCICollection::assign, OCICollection::assignElem, OCICollection::getElem, OCICollection::max, OCICollection::size, OCICollection::trim	OCICollection::free	Colección Oracle
Conexión oci8	oci_connect, oci_pconnect, oci_new_connect	oci_commit, oci_error, oci_new_cursor, oci_parse, oci_password_change, oci_rollback, oci_server_version, oci_set_action, oci_set_client_identifier, oci_set_client_info, oci_set_module_name	oci_close	Conexión a una base de datos Oracle
oci8 lob	oci_new_descriptor	OCILob::append, OCILob::close, OCILob::eof, OCILob::erase, OCILob::export, OCILob::flush, OCILob::getBuffering, OCILob::import, OCILob::load, OCILob::read, OCILob::rewind, OCILob::save, OCILob::saveFile, OCILob::seek, OCILob::setBuffering, OCILob::size, OCILob::tell, OCILob::truncate, OCILob::write, OCILob::writeTemporary, OCILob::writeToFile, oci_lob_copy, oci_lob_is_equal	OCILob::free	Objetos grandes Oracle
Consulta oci8	oci_parse, oci_new_cursor	oci_bind_array_by_name, oci_bind_by_name, oci_cancel, oci_define_by_name, oci_error oci_execute, oci_fetch_all, oci_fetch_array, oci_fetch_assoc, oci_fetch_object, oci_fetch_row, oci_fetch, oci_field_is_null, oci_field_name, oci_field_precision, oci_field_scale, oci_field_size, oci_field_type_raw, oci_field_type, oci_num_fields, oci_num_rows, oci_result, oci_set_prefetch, oci_statement_type	oci_free_statement	Cursor Oracle
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	Enlace a una base de datos ODBC
Enlace persistente odbc	odbc_pconnect	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	Ninguno	Enlace persistente a una base de datos ODBC
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	Resultado ODBC
birdstep link				Enlace a una base de datos Birdstep (anterior a PHP 7.3.0)
birdstep result				Enlace a una base de datos Birdstep (anterior a PHP 7.3.0)
OpenSSL key	openssl_get_privatekey, openssl_get_publickey	openssl_sign, openssl_seal, openssl_open, openssl_verify	openssl_free_key	Clave OpenSSL
OpenSSL X.509	openssl_x509_read	openssl_x509_parse, openssl_x509_checkpurpose	openssl_x509_free	Clave pública
Objeto de gran tamaño pgsql (anterior a PHP 8.1.0)	pg_lo_open	pg_lo_open, pg_lo_create, pg_lo_read, pg_lo_read_all, pg_lo_seek, pg_lo_tell, pg_lo_unlink, pg_lo_write	pg_lo_close	Objeto de gran tamaño PostGreSQL
pgsql link (anterior a PHP 8.1.0)	pg_connect	pg_affected_rows, pg_query, pg_send_query, pg_get_result, pg_connection_busy, pg_connection_reset, pg_connection_status, pg_last_error, pg_last_notice, pg_lo_create, pg_lo_export, pg_lo_import, pg_lo_open, pg_lo_unlink, pg_host, pg_port, pg_dbname, pg_options, pg_copy_from, pg_copy_to, pg_end_copy, pg_put_line, pg_tty, pg_trace, pg_untrace, pg_set_client_encoding, pg_client_encoding, pg_meta_data, pg_convert, pg_insert, pg_select, pg_delete, pg_update	pg_close	Enlace a una base de datos PostGreSQL
pgsql link persistent	pg_pconnect	pg_affected_rows, pg_query, pg_send_query, pg_get_result, pg_connection_busy, pg_connection_reset, pg_connection_status, pg_last_error, pg_last_notice, pg_lo_create, pg_lo_export, pg_lo_import, pg_lo_open, pg_lo_unlink, pg_host, pg_port, pg_dbname, pg_options, pg_copy_from, pg_copy_to, pg_end_copy, pg_put_line, pg_tty, pg_trace, pg_untrace, pg_set_client_encoding, pg_client_encoding, pg_meta_data, pg_convert, pg_insert, pg_select, pg_delete, pg_update	Ninguno	Enlace persistente a una base de datos PostGreSQL
pgsql result (anterior a PHP 8.1.0)	pg_execute, pg_query, pg_query_params, pg_get_result	pg_fetch_array, pg_fetch_object, pg_fetch_result, pg_fetch_row, pg_field_is_null, pg_field_name, pg_field_num, pg_field_prtlen, pg_field_size, pg_field_type, pg_last_oid, pg_num_fields, pg_num_rows, pg_result_error, pg_result_status	pg_free_result	Resultado PostGreSQL
pgsql string
processus	proc_open	proc_get_status proc_terminate	proc_close	Proceso
pspell	pspell_new, pspell_new_config, pspell_new_personal	pspell_add_to_personal, pspell_add_to_session, pspell_check, pspell_clear_session, pspell_config_ignore, pspell_config_mode, pspell_config_personal, pspell_config_repl, pspell_config_runtogether, pspell_config_save_repl, pspell_save_wordlist, pspell_store_replacement, pspell_suggest	Ninguno	Diccionario Pspell (anterior a PHP 8.1.0)
pspell config	pspell_config_create	pspell_new_config	Ninguno	Configuración Pspell (anterior a PHP 8.1.0)
shmop	shmop_open	shmop_read, shmop_write, shmop_size, shmop_delete	shmop_close	Manejador de un bloque de memoria compartida (anterior a PHP 8.0.0)
Socket	socket_accept, socket_addrinfo_bind, socket_addrinfo_connect, socket_create, socket_create_listen, socket_import_stream, socket_wsaprotocol_info_import	socket_accept, socket_bind, socket_clear_error, socket_connect, socket_get_option, socket_getpeername, socket_getsockname, socket_last_error, socket_listen, socket_read, socket_recv, socket_recvfrom, socket_recvmsg, socket_select, socket_send, socket_sendmsg, socket_sendto, socket_set_block, socket_set_nonblock, socket_set_option, socket_shutdown, socket_write, socket_wsaprotocol_info_export, socket_wsaprotocol_info_release	socket_close	Socket (extensión sockets)
Flujo	opendir	readdir, rewinddir	closedir	Directorio
Flujo	fopen, tmpfile	feof, fflush, fgetc, fgetcsv, fgets, fgetss, flock, fpassthru, fputs, fwrite, fread, fseek, ftell, fstat, ftruncate, set_file_buffer, rewind	fclose	Fichero
Flujo	popen, fsockopen, pfsockopen	feof, fflush, fgetc, fgetcsv, fgets, fgetss, fpassthru, fputs, fwrite, fread	pclose	Proceso
socket		fflush, fgetc, fgetcsv, fgets, fgetss, fpassthru, fputs, fwrite, fread	fclose	Manejador de socket
SSH2 Session	ssh2_connect		ssh2_disconnect
SSH2 Listener	ssh2_forward_listen		``
SSH2 SFTP	ssh2_sftp		``
SSH2 Publickey Subsystem	ssh2_publickey_init		``
sysvmsg queue	msg_get_queue	msg_queue_exists, msg_receive, msg_send, msg_set_queue, msg_stat_queue	msg_remove_queue	Cola de mensajes System V (anterior a PHP 8.0.0)
sysvsem	sem_get	sem_acquire	sem_release	Semáforo Sistema V (anterior a PHP 8.0.0)
sysvshm	shm_attach	shm_remove, shm_put_var, shm_get_var, shm_remove_var	shm_detach	Memoria compartida Sistema V (anterior a PHP 8.0.0)
wddx	wddx_packet_start	wddx_add_vars	wddx_packet_end	Paquete wddx
xml	xml_parser_create, xml_parser_create_ns	xml_set_object, xml_set_element_handler, xml_set_character_data_handler, xml_set_processing_instruction_handler, xml_set_default_handler, xml_set_unparsed_entity_decl_handler, xml_set_notation_decl_handler, xml_set_external_entity_ref_handler, xml_parse, xml_get_error_code, xml_error_string, xml_get_current_line_number, xml_get_current_column_number, xml_get_current_byte_index, xml_parse_into_struct, xml_parser_set_option, xml_parser_get_option	xml_parser_free	Analizador sintáctico XML (anterior a PHP 8.0.0)
zlib	gzopen	gzeof, gzgetc, gzgets, gzgetss, gzpassthru, gzputs, gzread, gzrewind, gzseek, gztell, gzwrite	gzclose	Fichero comprimido Gzip
zlib.deflate	deflate_init	deflate_add	Ninguno	Contexto de descompresión incremental (anterior a PHP 8.0.0)
zlib.inflate	inflate_init	inflate_add, inflate_get_read_len, inflate_get_status	Ninguno	Contexto de compresión incremental (anterior a PHP 8.0.0)

Tipos de recurso