我花了很多时间来解决这个问题。我一直收到Fatal error: Call to undefined function mysql_connect()错误，所以我做了一些网络拖网，其他人遇到了同样的问题，但设法通过包含'extension ='和取消注释'extension = php_mysql.dll'来修复它，但是你可以看到做这两件事仍然行不通。什么错过了？
我的PHP ini（我在Windows 7上）（Trimmed！）
;;;;;;;;;;;;;;;;;;;;;;;;;
; Paths and Directories ;
;;;;;;;;;;;;;;;;;;;;;;;;;
; UNIX: "/path1:/path2"
;include_path = ".:/php/includes"
;
; Windows: "\path1;\path2"
include_path = ".;c:\php\includes"
;
; PHP's default setting for include_path is ".;/path/to/php/pear"
; http://php.net/include-path
; The root of the PHP pages, used only if nonempty.
; if PHP was not compiled with FORCE_REDIRECT, you SHOULD set doc_root
; if you are running php as a CGI under any web server (other than IIS)
; see documentation for security issues. The alternate is to use the
; cgi.force_redirect configuration below
; http://php.net/doc-root
doc_root =
; The directory under which PHP opens the script using /~username used only
; if nonempty.
; http://php.net/user-dir
user_dir =
; Directory in which the loadable extensions (modules) reside.
; http://php.net/extension-dir
; extension_dir = "./"
; On windows:
; extension_dir = "ext"
; Whether or not to enable the dl() function. The dl() function does NOT work
; properly in multithreaded servers, such as IIS or Zeus, and is automatically
; disabled on them.
; http://php.net/enable-dl
enable_dl = Off
; cgi.force_redirect is necessary to provide security running PHP as a CGI under
; most web servers. Left undefined, PHP turns this on by default. You can
; turn it off here AT YOUR OWN RISK
; **You CAN safely turn this off for IIS, in fact, you MUST.**
; http://php.net/cgi.force-redirect
;cgi.force_redirect = 1
; if cgi.nph is enabled it will force cgi to always sent Status: 200 with
; every request. PHP's default behavior is to disable this feature.
;cgi.nph = 1
; if cgi.force_redirect is turned on, and you are not running under Apache or Netscape
; (iPlanet) web servers, you MAY need to set an environment variable name that PHP
; will look for to know it is OK to continue execution. Setting this variable MAY
; cause security issues, KNOW WHAT YOU ARE DOING FIRST.
; http://php.net/cgi.redirect-status-env
;cgi.redirect_status_env =
; cgi.fix_pathinfo provides *real* PATH_INFO/PATH_TRANSLATED support for CGI. PHP's
; previous behaviour was to set PATH_TRANSLATED to SCRIPT_FILENAME, and to not grok
; what PATH_INFO is. For more information on PATH_INFO, see the cgi specs. Setting
; this to 1 will cause PHP CGI to fix its paths to conform to the spec. A setting
; of zero causes PHP to behave as before. Default is 1. You should fix your scripts
; to use SCRIPT_FILENAME rather than PATH_TRANSLATED.
; http://php.net/cgi.fix-pathinfo
;cgi.fix_pathinfo=1
; FastCGI under IIS (on WINNT based OS) supports the ability to impersonate
; security tokens of the calling client. This allows IIS to define the
; security context that the request runs under. mod_fastcgi under Apache
; does not currently support this feature (03/17/2002)
; Set to 1 if running under IIS. Default is zero.
; http://php.net/fastcgi.impersonate
;fastcgi.impersonate = 1
; Disable logging through FastCGI connection. PHP's default behavior is to enable
; this feature.
;fastcgi.logging = 0
; cgi.rfc2616_headers configuration option tells PHP what type of headers to
; use when sending HTTP response code. If it's set 0 PHP sends Status: header that
; is supported by Apache. When this option is set to 1 PHP will send
; RFC2616 compliant header.
; Default is zero.
; http://php.net/cgi.rfc2616-headers
;cgi.rfc2616_headers = 0
;;;;;;;;;;;;;;;;
; File Uploads ;
;;;;;;;;;;;;;;;;
; Whether to allow HTTP file uploads.
; http://php.net/file-uploads
file_uploads = On
; Temporary directory for HTTP uploaded files (will use system default if not
; specified).
; http://php.net/upload-tmp-dir
;upload_tmp_dir =
; Maximum allowed size for uploaded files.
; http://php.net/upload-max-filesize
upload_max_filesize = 2M
; Maximum number of files that can be uploaded via a single request
max_file_uploads = 20
;;;;;;;;;;;;;;;;;;
; Fopen wrappers ;
;;;;;;;;;;;;;;;;;;
; Whether to allow the treatment of URLs (like http:// or ftp://) as files.
; http://php.net/allow-url-fopen
allow_url_fopen = On
; Whether to allow include/require to open URLs (like http:// or ftp://) as files.
; http://php.net/allow-url-include
allow_url_include = Off
; Define the anonymous ftp password (your email address). PHP's default setting
; for this is empty.
; http://php.net/from
;from="john@doe.com"
; Define the User-Agent string. PHP's default setting for this is empty.
; http://php.net/user-agent
;user_agent="PHP"
; Default timeout for socket based streams (seconds)
; http://php.net/default-socket-timeout
default_socket_timeout = 60
; If your scripts have to deal with files from Macintosh systems,
; or you are running on a Mac and need to deal with files from
; unix or win32 systems, setting this flag will cause PHP to
; automatically detect the EOL character in those files so that
; fgets() and file() will work regardless of the source of the file.
; http://php.net/auto-detect-line-endings
;auto_detect_line_endings = Off
;;;;;;;;;;;;;;;;;;;;;;
; Dynamic Extensions ;
;;;;;;;;;;;;;;;;;;;;;;
; If you wish to have an extension loaded automatically, use the following
; syntax:
;
; extension=modulename.extension
;
; For example, on Windows:
;
extension=c:\PHP\ext\msql.dll
;
; ... or under UNIX:
;
; extension=c:\PHP\ext\msql.so
;
; ... or with a path:
;
; extension=/path/to/extension/msql.so
;
; If you only provide the name of the extension, PHP will look for it in its
; default extension directory.
;
; Windows Extensions
; Note that ODBC support is built in, so no dll is needed for it.
; Note that many DLL files are located in the extensions/ (PHP 4) ext/ (PHP 5)
; extension folders as well as the separate PECL DLL download (PHP 5).
; Be sure to appropriately set the extension_dir directive.
;
;extension=php_bz2.dll
;extension=php_curl.dll
;extension=php_fileinfo.dll
;extension=php_gd2.dll
;extension=php_gettext.dll
;extension=php_gmp.dll
;extension=php_intl.dll
;extension=php_imap.dll
;extension=php_interbase.dll
;extension=php_ldap.dll
;extension=php_mbstring.dll
;extension=php_exif.dll ; Must be after mbstring as it depends on it
extension=php_mysql.dll
extension=php_mysqli.dll
;extension=php_oci8.dll ; Use with Oracle 10gR2 Instant Client
;extension=php_oci8_11g.dll ; Use with Oracle 11gR2 Instant Client
;extension=php_openssl.dll
;extension=php_pdo_firebird.dll
;extension=php_pdo_mysql.dll
;extension=php_pdo_oci.dll
;extension=php_pdo_odbc.dll
;extension=php_pdo_pgsql.dll
;extension=php_pdo_sqlite.dll
;extension=php_pgsql.dll
;extension=php_pspell.dll
;extension=php_shmop.dll
; The MIBS data available in the PHP distribution must be installed.
; See http://www.php.net/manual/en/snmp.installation.php
;extension=php_snmp.dll
;extension=php_soap.dll
;extension=php_sockets.dll
;extension=php_sqlite3.dll
;extension=php_sybase_ct.dll
;extension=php_tidy.dll
;extension=php_xmlrpc.dll
;extension=php_xsl.dll
;extension=php_zip.dll
;;;;;;;;;;;;;;;;;;;
; Module Settings ;
;;;;;;;;;;;;;;;;;;;
[CLI Server]
; Whether the CLI web server uses ANSI color coding in its terminal output.
cli_server.color = On
[Date]
; Defines the default timezone used by the date functions
; http://php.net/date.timezone
;date.timezone =
; http://php.net/date.default-latitude
;date.default_latitude = 31.7667
; http://php.net/date.default-longitude
;date.default_longitude = 35.2333
; http://php.net/date.sunrise-zenith
;date.sunrise_zenith = 90.583333
; http://php.net/date.sunset-zenith
;date.sunset_zenith = 90.583333
[filter]
; http://php.net/filter.default
;filter.default = unsafe_raw
; http://php.net/filter.default-flags
;filter.default_flags =
[iconv]
;iconv.input_encoding = ISO-8859-1
;iconv.internal_encoding = ISO-8859-1
;iconv.output_encoding = ISO-8859-1
[intl]
;intl.default_locale =
; This directive allows you to produce PHP errors when some error
; happens within intl functions. The value is the level of the error produced.
; Default is 0, which does not produce any errors.
;intl.error_level = E_WARNING
[sqlite]
; http://php.net/sqlite.assoc-case
;sqlite.assoc_case = 0
[sqlite3]
;sqlite3.extension_dir =
[Pcre]
;PCRE library backtracking limit.
; http://php.net/pcre.backtrack-limit
;pcre.backtrack_limit=100000
;PCRE library recursion limit.
;Please note that if you set this value to a high number you may consume all
;the available process stack and eventually crash PHP (due to reaching the
;stack size limit imposed by the Operating System).
; http://php.net/pcre.recursion-limit
;pcre.recursion_limit=100000
[Pdo]
; Whether to pool ODBC connections. Can be one of "strict", "relaxed" or "off"
; http://php.net/pdo-odbc.connection-pooling
;pdo_odbc.connection_pooling=strict
;pdo_odbc.db2_instance_name
[Pdo_mysql]
; If mysqlnd is used: Number of cache slots for the internal result set cache
; http://php.net/pdo_mysql.cache_size
pdo_mysql.cache_size = 2000
; Default socket name for local MySQL connects. If empty, uses the built-in
; MySQL defaults.
; http://php.net/pdo_mysql.default-socket
pdo_mysql.default_socket=
[Phar]
; http://php.net/phar.readonly
;phar.readonly = On
; http://php.net/phar.require-hash
;phar.require_hash = On
;phar.cache_list =
[mail function]
; For Win32 only.
; http://php.net/smtp
SMTP = localhost
; http://php.net/smtp-port
smtp_port = 25
; For Win32 only.
; http://php.net/sendmail-from
;sendmail_from = me@example.com
; For Unix only. You may supply arguments as well (default: "sendmail -t -i").
; http://php.net/sendmail-path
;sendmail_path =
; Force the addition of the specified parameters to be passed as extra parameters
; to the sendmail binary. These parameters will always replace the value of
; the 5th parameter to mail(), even in safe mode.
;mail.force_extra_parameters =
; Add X-PHP-Originating-Script: that will include uid of the script followed by the filename
mail.add_x_header = On
; The path to a log file that will log all mail() calls. Log entries include
; the full path of the script, line number, To address and headers.
;mail.log =
; Log mail to syslog (Event Log on NT, not valid in Windows 95).
;mail.log = syslog
[SQL]
; http://php.net/sql.safe-mode
sql.safe_mode = Off
[ODBC]
; http://php.net/odbc.default-db
;odbc.default_db = Not yet implemented
; http://php.net/odbc.default-user
;odbc.default_user = Not yet implemented
; http://php.net/odbc.default-pw
;odbc.default_pw = Not yet implemented
; Controls the ODBC cursor model.
; Default: SQL_CURSOR_STATIC (default).
;odbc.default_cursortype
; Allow or prevent persistent links.
; http://php.net/odbc.allow-persistent
odbc.allow_persistent = On
; Check that a connection is still valid before reuse.
; http://php.net/odbc.check-persistent
odbc.check_persistent = On
; Maximum number of persistent links. -1 means no limit.
; http://php.net/odbc.max-persistent
odbc.max_persistent = -1
; Maximum number of links (persistent + non-persistent). -1 means no limit.
; http://php.net/odbc.max-links
odbc.max_links = -1
; Handling of LONG fields. Returns number of bytes to variables. 0 means
; passthru.
; http://php.net/odbc.defaultlrl
odbc.defaultlrl = 4096
; Handling of binary data. 0 means passthru, 1 return as is, 2 convert to char.
; See the documentation on odbc_binmode and odbc_longreadlen for an explanation
; of odbc.defaultlrl and odbc.defaultbinmode
; http://php.net/odbc.defaultbinmode
odbc.defaultbinmode = 1
;birdstep.max_links = -1
[Interbase]
; Allow or prevent persistent links.
ibase.allow_persistent = 1
; Maximum number of persistent links. -1 means no limit.
ibase.max_persistent = -1
; Maximum number of links (persistent + non-persistent). -1 means no limit.
ibase.max_links = -1
; Default database name for ibase_connect().
;ibase.default_db =
; Default username for ibase_connect().
;ibase.default_user =
; Default password for ibase_connect().
;ibase.default_password =
; Default charset for ibase_connect().
;ibase.default_charset =
; Default timestamp format.
ibase.timestampformat = "%Y-%m-%d %H:%M:%S"
; Default date format.
ibase.dateformat = "%Y-%m-%d"
; Default time format.
ibase.timeformat = "%H:%M:%S"
[MySQL]
; Allow accessing, from PHP's perspective, local files with LOAD DATA statements
; http://php.net/mysql.allow_local_infile
mysql.allow_local_infile = On
; Allow or prevent persistent links.
; http://php.net/mysql.allow-persistent
mysql.allow_persistent = On
; If mysqlnd is used: Number of cache slots for the internal result set cache
; http://php.net/mysql.cache_size
mysql.cache_size = 2000
; Maximum number of persistent links. -1 means no limit.
; http://php.net/mysql.max-persistent
mysql.max_persistent = -1
; Maximum number of links (persistent + non-persistent). -1 means no limit.
; http://php.net/mysql.max-links
mysql.max_links = -1
; Default port number for mysql_connect(). If unset, mysql_connect() will use
; the $MYSQL_TCP_PORT or the mysql-tcp entry in /etc/services or the
; compile-time value defined MYSQL_PORT (in that order). Win32 will only look
; at MYSQL_PORT.
; http://php.net/mysql.default-port
mysql.default_port =
; Default socket name for local MySQL connects. If empty, uses the built-in
; MySQL defaults.
; http://php.net/mysql.default-socket
mysql.default_socket =
; Default host for mysql_connect() (doesn't apply in safe mode).
; http://php.net/mysql.default-host
mysql.default_host =
; Default user for mysql_connect() (doesn't apply in safe mode).
; http://php.net/mysql.default-user
mysql.default_user =
; Default password for mysql_connect() (doesn't apply in safe mode).
; Note that this is generally a *bad* idea to store passwords in this file.
; *Any* user with PHP access can run 'echo get_cfg_var("mysql.default_password")
; and reveal this password! And of course, any users with read access to this
; file will be able to reveal the password as well.
; http://php.net/mysql.default-password
mysql.default_password =
; Maximum time (in seconds) for connect timeout. -1 means no limit
; http://php.net/mysql.connect-timeout
mysql.connect_timeout = 60
; Trace mode. When trace_mode is active (=On), warnings for table/index scans and
; SQL-Errors will be displayed.
; http://php.net/mysql.trace-mode
mysql.trace_mode = Off
[MySQLi]
; Maximum number of persistent links. -1 means no limit.
; http://php.net/mysqli.max-persistent
mysqli.max_persistent = -1
; Allow accessing, from PHP's perspective, local files with LOAD DATA statements
; http://php.net/mysqli.allow_local_infile
;mysqli.allow_local_infile = On
; Allow or prevent persistent links.
; http://php.net/mysqli.allow-persistent
mysqli.allow_persistent = On
; Maximum number of links. -1 means no limit.
; http://php.net/mysqli.max-links
mysqli.max_links = -1
; If mysqlnd is used: Number of cache slots for the internal result set cache
; http://php.net/mysqli.cache_size
mysqli.cache_size = 2000
; Default port number for mysqli_connect(). If unset, mysqli_connect() will use
; the $MYSQL_TCP_PORT or the mysql-tcp entry in /etc/services or the
; compile-time value defined MYSQL_PORT (in that order). Win32 will only look
; at MYSQL_PORT.
; http://php.net/mysqli.default-port
mysqli.default_port = 3306
; Default socket name for local MySQL connects. If empty, uses the built-in
; MySQL defaults.
; http://php.net/mysqli.default-socket
mysqli.default_socket =
; Default host for mysql_connect() (doesn't apply in safe mode).
; http://php.net/mysqli.default-host
mysqli.default_host =
; Default user for mysql_connect() (doesn't apply in safe mode).
; http://php.net/mysqli.default-user
mysqli.default_user =
; Default password for mysqli_connect() (doesn't apply in safe mode).
; Note that this is generally a *bad* idea to store passwords in this file.
; *Any* user with PHP access can run 'echo get_cfg_var("mysqli.default_pw")
; and reveal this password! And of course, any users with read access to this
; file will be able to reveal the password as well.
; http://php.net/mysqli.default-pw
mysqli.default_pw =
; Allow or prevent reconnect
mysqli.reconnect = Off
[mysqlnd]
; Enable / Disable collection of general statistics by mysqlnd which can be
; used to tune and monitor MySQL operations.
; http://php.net/mysqlnd.collect_statistics
mysqlnd.collect_statistics = On
; Enable / Disable collection of memory usage statistics by mysqlnd which can be
; used to tune and monitor MySQL operations.
; http://php.net/mysqlnd.collect_memory_statistics
mysqlnd.collect_memory_statistics = On
; Size of a pre-allocated buffer used when sending commands to MySQL in bytes.
; http://php.net/mysqlnd.net_cmd_buffer_size
;mysqlnd.net_cmd_buffer_size = 2048
; Size of a pre-allocated buffer used for reading data sent by the server in
; bytes.
; http://php.net/mysqlnd.net_read_buffer_size
;mysqlnd.net_read_buffer_size = 32768
[OCI8]
; Connection: Enables privileged connections using external
; credentials (OCI_SYSOPER, OCI_SYSDBA)
; http://php.net/oci8.privileged-connect
;oci8.privileged_connect = Off
; Connection: The maximum number of persistent OCI8 connections per
; process. Using -1 means no limit.
; http://php.net/oci8.max-persistent
;oci8.max_persistent = -1
; Connection: The maximum number of seconds a process is allowed to
; maintain an idle persistent connection. Using -1 means idle
; persistent connections will be maintained forever.
; http://php.net/oci8.persistent-timeout
;oci8.persistent_timeout = -1
; Connection: The number of seconds that must pass before issuing a
; ping during oci_pconnect() to check the connection validity. When
; set to 0, each oci_pconnect() will cause a ping. Using -1 disables
; pings completely.
; http://php.net/oci8.ping-interval
;oci8.ping_interval = 60
; Connection: Set this to a user chosen connection class to be used
; for all pooled server requests with Oracle 11g Database Resident
; Connection Pooling (DRCP). To use DRCP, this value should be set to
; the same string for all web servers running the same application,
; the database pool must be configured, and the connection string must
; specify to use a pooled server.
;oci8.connection_class =
; High Availability: Using On lets PHP receive Fast Application
; Notification (FAN) events generated when a database node fails. The
; database must also be configured to post FAN events.
;oci8.events = Off
; Tuning: This option enables statement caching, and specifies how
; many statements to cache. Using 0 disables statement caching.
; http://php.net/oci8.statement-cache-size
;oci8.statement_cache_size = 20
; Tuning: Enables statement prefetching and sets the default number of
; rows that will be fetched automatically after statement execution.
; http://php.net/oci8.default-prefetch
;oci8.default_prefetch = 100
; Compatibility. Using On means oci_close() will not close
; oci_connect() and oci_new_connect() connections.
; http://php.net/oci8.old-oci-close-semantics
;oci8.old_oci_close_semantics = Off
[PostgreSQL]
; Allow or prevent persistent links.
; http://php.net/pgsql.allow-persistent
pgsql.allow_persistent = On
; Detect broken persistent links always with pg_pconnect().
; Auto reset feature requires a little overheads.
; http://php.net/pgsql.auto-reset-persistent
pgsql.auto_reset_persistent = Off
; Maximum number of persistent links. -1 means no limit.
; http://php.net/pgsql.max-persistent
pgsql.max_persistent = -1
; Maximum number of links (persistent+non persistent). -1 means no limit.
; http://php.net/pgsql.max-links
pgsql.max_links = -1
; Ignore PostgreSQL backends Notice message or not.
; Notice message logging require a little overheads.
; http://php.net/pgsql.ignore-notice
pgsql.ignore_notice = 0
; Log PostgreSQL backends Notice message or not.
; Unless pgsql.ignore_notice=0, module cannot log notice message.
; http://php.net/pgsql.log-notice
pgsql.log_notice = 0
[Sybase-CT]
; Allow or prevent persistent links.
; http://php.net/sybct.allow-persistent
sybct.allow_persistent = On
; Maximum number of persistent links. -1 means no limit.
; http://php.net/sybct.max-persistent
sybct.max_persistent = -1
; Maximum number of links (persistent + non-persistent). -1 means no limit.
; http://php.net/sybct.max-links
sybct.max_links = -1
; Minimum server message severity to display.
; http://php.net/sybct.min-server-severity
sybct.min_server_severity = 10
; Minimum client message severity to display.
; http://php.net/sybct.min-client-severity
sybct.min_client_severity = 10
; Set per-context timeout
; http://php.net/sybct.timeout
;sybct.timeout=
;sybct.packet_size
; The maximum time in seconds to wait for a connection attempt to succeed before returning failure.
; Default: one minute
;sybct.login_timeout=
; The name of the host you claim to be connecting from, for display by sp_who.
; Default: none
;sybct.hostname=
; Allows you to define how often deadlocks are to be retried. -1 means "forever".
; Default: 0
;sybct.deadlock_retry_count=
[bcmath]
; Number of decimal digits for all bcmath functions.
; http://php.net/bcmath.scale
bcmath.scale = 0
[browscap]
; http://php.net/browscap
;browscap = extra/browscap.ini
[Session]
; Handler used to store/retrieve data.
; http://php.net/session.save-handler
session.save_handler = files
; Argument passed to save_handler. In the case of files, this is the path
; where data files are stored. Note: Windows users have to change this
; variable in order to use PHP's session functions.
;
; The path can be defined as:
;
; session.save_path = "N;/path"
;
; where N is an integer. Instead of storing all the session files in
; /path, what this will do is use subdirectories N-levels deep, and
; store the session data in those directories. This is useful if you
; or your OS have problems with lots of files in one directory, and is
; a more efficient layout for servers that handle lots of sessions.
;
; NOTE 1: PHP will not create this directory structure automatically.
; You can use the script in the ext/session dir for that purpose.
; NOTE 2: See the section on garbage collection below if you choose to
; use subdirectories for session storage
;
; The file storage module creates files using mode 600 by default.
; You can change that by using
;
; session.save_path = "N;MODE;/path"
;
; where MODE is the octal representation of the mode. Note that this
; does not overwrite the process's umask.
; http://php.net/session.save-path
;session.save_path = "/tmp"
; Whether to use cookies.
; http://php.net/session.use-cookies
session.use_cookies = 1
; http://php.net/session.cookie-secure
;session.cookie_secure =
; This option forces PHP to fetch and use a cookie for storing and maintaining
; the session id. We encourage this operation as it's very helpful in combating
; session hijacking when not specifying and managing your own session id. It is
; not the end all be all of session hijacking defense, but it's a good start.
; http://php.net/session.use-only-cookies
session.use_only_cookies = 1
; Name of the session (used as cookie name).
; http://php.net/session.name
session.name = PHPSESSID
; Initialize session on request startup.
; http://php.net/session.auto-start
session.auto_start = 0
; Lifetime in seconds of cookie or, if 0, until browser is restarted.
; http://php.net/session.cookie-lifetime
session.cookie_lifetime = 0
干杯
答案 0 :(得分：2)
请务必正确设置extension_dir指令。
确保.dll位于您的扩展程序文件夹中。然后，尝试定义extension_dir。
; Directory in which the loadable extensions (modules) reside.
; http://php.net/extension-dir
; extension_dir = "./"
; On windows:
; extension_dir = "ext"