Directive = allow_url_fopen
Type      = bool
Comment   = Allows PHP file functions to retrieve data from remote locations over FTP or HTTP. This option is a great security risk, thus do not turn it on without necessity.

Directive = display_errors
Type      = bool
Comment   = Determines whether errors should be printed to the screen as part of the output or if they should not be shown to a user.

Directive = error_reporting
Default   = ~E_ALL & ~E_NOTICE & ~E_STRICT & ~E_DEPRECATED
Range     = ~E_ALL & ~E_NOTICE & ~E_STRICT & ~E_DEPRECATED,~E_ALL & ~E_STRICT & ~E_DEPRECATED,~E_ALL,E_ALL & ~E_NOTICE,E_ALL
Type      = list
Comment   = The error reporting level.

Directive = file_uploads
Type      = bool
Comment   = Allows uploading files over HTTP.

Directive = include_path
Type      = value
Comment   = The list of directories where scripts look for files (similar to system's PATH variable). To separate directories, use a colon (:) For example: .:/dir/inc:/usr/lib/php

Directive = log_errors
Type      = bool
Comment   = Tells whether to log errors. By default, errors are logged in the server's error log. Use the error_log directive to specify the path to your own log file.

Directive = magic_quotes_gpc
Type      = bool
Remark    = <5.4.0
Comment   = Sets the magic_quotes state for the GPC (Get, Post and Cookie) operations. When magic_quotes are on, all single-quotes, double quotes, backslashesand  special characters are escaped with the backslash automatically.

Directive = mail.force_extra_parameters
Type      = value
Comment   = Additional parameters for the mail() function used to send mail. For example, to use your custom Sendmail configuration: -C /dir/conf.cf

Directive = max_execution_time
Type      = value
Comment   = The maximum time in seconds a script is allowed to run before it is terminated.

Directive = max_input_time
Type      = value
Comment   = The maximum time in seconds a script is allowed to parse input data.

Directive = memory_limit
Type      = list
Range     = 64M,128M,192M,256M,368M,512M,1G
Comment   = The maximum amount of memory in bytes a script is allowed to allocate. Set the value to -1 to have no memory limit (not recommended). Use shortcuts for byte values: K (kilo), M (mega), and G (giga). For example, 128M

Directive = post_max_size
Type      = list
Range     = 2M,4M,8M,16M,32M,64M,128M,256M
Comment   = The maximum size in bytes of data that can be posted with the POST method. Typically, should be larger than upload_max_filesize and smaller than memory_limit. Use shortcuts for byte values: K (kilo), M (mega), and G (giga). For example, 16M.

Directive = open_basedir
Type      = value
Comment   = The list of directories used to limit the files that can be opened by PHP. If the file is outside the specified directories, PHP scripts will refuse to open it. To separate directories, use a colon. For example: /dir/upload:/usr/tmp

Directive = register_globals
Type      = bool
Remark    = <5.4.0
Comment   = Tells whether to register the contents of the EGPCS (Environment, GET, POST, Cookie, Server) variables as global variables. When on, register_globals will inject your scripts with all sorts of variables, like request variables from HTML forms. This option is a great security risk, thus do not turn it on without necessity

Directive = safe_mode
Type      = bool
Remark    = <5.4.0
Comment   = Enables PHP safe mode. This mode puts a number of restrictions on scripts (say, access to file system) mainly for security reasons.

Directive = safe_mode_exec_dir
Type      = value
Remark    = <5.4.0
Comment   = If PHP is in the safe mode, scripts can execute external programs located only in this directory. For example: /dir/external

Directive = safe_mode_include_dir
Type      = value
Remark    = <5.4.0
Comment   = If PHP is in the safe mode and a script tries to access some files, files from this directory will bypass security (UID/GID) checks. The directory must also be in include_path. For example: /dir/inc

Directive = session.save_path
Type      = value
Comment   = The directory where PHP writes session data (files). For example: /dir/tmp

Directive = short_open_tag
Type      = bool
Comment   = Allows the short form of the PHP open tag.

Directive = upload_max_filesize
Type      = list
Range     = 2M,4M,8M,16M,32M,64M,128M,256M,512M,1G
Comment   = The maximum size in bytes of an uploaded file. Use shortcuts for byte values: K (kilo), M (mega), and G (giga). For example, 128M.

Directive = max_input_vars
Default   = 1000
Type      = list
Range     = 1000,5000,10000,20000
Comment   = How many input variables may be accepted (limit is applied to $_GET, $_POST and $_COOKIE superglobal separately).

Directive = disable_functions
Default   = exec,system,passthru,pcntl_exec,popen,proc_open,shell_exec
Type      = value
Comment   = Determines whether exec, system, passthru, pcntl_exec, popen, proc_open, shell_exec should be disabled. You can add or remove any functions that you need disabled or enabled.
