PHP.ini配置里这些开头的分号是什么意思

PHP.ini配置里这些开头的分号是什么意思

PHP.ini配置里开头的分号是什么意思

; TTL for user-defined php.ini files (time-to-live) in seconds.Default is 300 seconds (5 minutes)

;user_ini.cache_ttl = 300

;;;;;;;;;;;;;;;;;;;;

; Language Options ;

;;;;;;;;;;;;;;;;;;;;

; Enable the PHP scripting language engine under Apache.

engine = On

; This directive determines whether or not PHP will recognize code between

; tags as PHP source which should be processed as such.It's been

; recommended for several years that you not use the short tag "short cut" and

; instead to use the full tag combination.With the wide spread use

; of XML and use of these tags by other languages,the server can become easily

; confused and end up parsing the wrong code in the wrong context.But because

; this short cut has been a feature for such a long time,it's currently still

; supported for backwards compatibility,but we recommend you don't use them.

; Default Value:On

; Development Value:Off

; Production Value:Off

short_open_tag = Off

; Allow ASP-style tags.

asp_tags = Off

; The number of significant digits displayed in floating point numbers.

precision = 14

; Output buffering is a mechanism for controlling how much output data

; (excluding headers and cookies) PHP should keep internally before pushing that

; data to the client.If your application's output exceeds this setting,PHP

; will send that data in chunks of roughly the size you specify.

; Turning on this setting and managing its maximum buffer size can yield some

; interesting side-effects depending on your application and web server.

; You may be able to send he