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PHP 8.4.0 RC4 available for testing
Getting Started
Introduction
A simple tutorial
Language Reference
Basic syntax
Types
Variables
Constants
Expressions
Operators
Control Structures
Functions
Classes and Objects
Namespaces
Enumerations
Errors
Exceptions
Fibers
Generators
Attributes
References Explained
Predefined Variables
Predefined Exceptions
Predefined Interfaces and Classes
Predefined Attributes
Context options and parameters
Supported Protocols and Wrappers
Security
Introduction
General considerations
Installed as CGI binary
Installed as an Apache module
Session Security
Filesystem Security
Database Security
Error Reporting
User Submitted Data
Hiding PHP
Keeping Current
Features
HTTP authentication with PHP
Cookies
Sessions
Handling file uploads
Using remote files
Connection handling
Persistent Database Connections
Command line usage
Garbage Collection
DTrace Dynamic Tracing
Function Reference
Affecting PHP's Behaviour
Audio Formats Manipulation
Authentication Services
Command Line Specific Extensions
Compression and Archive Extensions
Cryptography Extensions
Database Extensions
Date and Time Related Extensions
File System Related Extensions
Human Language and Character Encoding Support
Image Processing and Generation
Mail Related Extensions
Mathematical Extensions
Non-Text MIME Output
Process Control Extensions
Other Basic Extensions
Other Services
Search Engine Extensions
Server Specific Extensions
Session Extensions
Text Processing
Variable and Type Related Extensions
Web Services
Windows Only Extensions
XML Manipulation
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PostgreSQL
Giriş
Yapılandırma/Kurulum
Gereksinimler
Kurulum
Çalışma Anı Yapılandırması
Özkaynak Türleri
Öntanımlı Sabitler
Örnekler
Basic usage
Basic usage
PostgreSQL İşlevleri
pg_affected_rows
— Returns number of affected records (tuples)
pg_cancel_query
— Cancel an asynchronous query
pg_client_encoding
— Gets the client encoding
pg_close
— Closes a PostgreSQL connection
pg_connect
— Open a PostgreSQL connection
pg_connect_poll
— Poll the status of an in-progress asynchronous PostgreSQL connection attempt
pg_connection_busy
— Get connection is busy or not
pg_connection_reset
— Reset connection (reconnect)
pg_connection_status
— Get connection status
pg_consume_input
— Reads input on the connection
pg_convert
— Convert associative array values into forms suitable for SQL statements
pg_copy_from
— Insert records into a table from an array
pg_copy_to
— Copy a table to an array
pg_dbname
— Get the database name
pg_delete
— Deletes records
pg_end_copy
— Sync with PostgreSQL backend
pg_escape_bytea
— Escape a string for insertion into a bytea field
pg_escape_identifier
— Escape a identifier for insertion into a text field
pg_escape_literal
— Escape a literal for insertion into a text field
pg_escape_string
— Escape a string for query
pg_execute
— Sends a request to execute a prepared statement with given parameters, and waits for the result
pg_fetch_all
— Fetches all rows from a result as an array
pg_fetch_all_columns
— Fetches all rows in a particular result column as an array
pg_fetch_array
— Fetch a row as an array
pg_fetch_assoc
— Fetch a row as an associative array
pg_fetch_object
— Fetch a row as an object
pg_fetch_result
— Returns values from a result instance
pg_fetch_row
— Get a row as an enumerated array
pg_field_is_null
— Test if a field is SQL NULL
pg_field_name
— Returns the name of a field
pg_field_num
— Returns the field number of the named field
pg_field_prtlen
— Returns the printed length
pg_field_size
— Returns the internal storage size of the named field
pg_field_table
— Returns the name or oid of the tables field
pg_field_type
— Returns the type name for the corresponding field number
pg_field_type_oid
— Returns the type ID (OID) for the corresponding field number
pg_flush
— Flush outbound query data on the connection
pg_free_result
— Free result memory
pg_get_notify
— Gets SQL NOTIFY message
pg_get_pid
— Gets the backend's process ID
pg_get_result
— Get asynchronous query result
pg_host
— Returns the host name associated with the connection
pg_insert
— Insert array into table
pg_last_error
— Get the last error message string of a connection
pg_last_notice
— Returns the last notice message from PostgreSQL server
pg_last_oid
— Returns the last row's OID
pg_lo_close
— Close a large object
pg_lo_create
— Create a large object
pg_lo_export
— Export a large object to file
pg_lo_import
— Import a large object from file
pg_lo_open
— Open a large object
pg_lo_read
— Read a large object
pg_lo_read_all
— Reads an entire large object and send straight to browser
pg_lo_seek
— Seeks position within a large object
pg_lo_tell
— Returns current seek position a of large object
pg_lo_truncate
— Truncates a large object
pg_lo_unlink
— Delete a large object
pg_lo_write
— Write to a large object
pg_meta_data
— Get meta data for table
pg_num_fields
— Returns the number of fields in a result
pg_num_rows
— Returns the number of rows in a result
pg_options
— Get the options associated with the connection
pg_parameter_status
— Looks up a current parameter setting of the server
pg_pconnect
— Open a persistent PostgreSQL connection
pg_ping
— Ping database connection
pg_port
— Return the port number associated with the connection
pg_prepare
— Submits a request to the server to create a prepared statement with the given parameters, and waits for completion
pg_put_line
— Send a NULL-terminated string to PostgreSQL backend
pg_query
— Execute a query
pg_query_params
— Submits a command to the server and waits for the result, with the ability to pass parameters separately from the SQL command text
pg_result_error
— Get error message associated with result
pg_result_error_field
— Returns an individual field of an error report
pg_result_memory_size
— Returns the amount of memory allocated for a query result
pg_result_seek
— Set internal row offset in result instance
pg_result_status
— Get status of query result
pg_select
— Select records
pg_send_execute
— Sends a request to execute a prepared statement with given parameters, without waiting for the result(s)
pg_send_prepare
— Sends a request to create a prepared statement with the given parameters, without waiting for completion
pg_send_query
— Sends asynchronous query
pg_send_query_params
— Submits a command and separate parameters to the server without waiting for the result(s)
pg_set_client_encoding
— Set the client encoding
pg_set_error_context_visibility
— Determines the visibility of the context's error messages returned by pg_last_error and pg_result_error
pg_set_error_verbosity
— Determines the verbosity of messages returned by pg_last_error and pg_result_error
pg_socket
— Get a read only handle to the socket underlying a PostgreSQL connection
pg_trace
— Enable tracing a PostgreSQL connection
pg_transaction_status
— Returns the current in-transaction status of the server
pg_tty
— Return the TTY name associated with the connection
pg_unescape_bytea
— Unescape binary for bytea type
pg_untrace
— Disable tracing of a PostgreSQL connection
pg_update
— Update table
pg_version
— Returns an array with client, protocol and server version (when available)
PgSql\Connection
— The PgSql\Connection class
PgSql\Result
— The PgSql\Result class
PgSql\Lob
— The PgSql\Lob class
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