Use PHP textrole

Documentation/Conditions/Reference/Index.rst

@@ -440,7 +440,7 @@ tested.
 Since TYPO3 6.2 the IP condition also supports the special keyword
 "devIP". If - instead of using an actual IP address or range - you use
 this keyword, the IP address, which the visitor uses, will be compared
-to :code:`$TYPO3_CONF_VARS['SYS']['devIPmask']` as set in the Install
+to :php:`$TYPO3_CONF_VARS['SYS']['devIPmask']` as set in the Install
 Tool.
 
 Examples:
@@ -460,7 +460,7 @@ These examples will match any IP address ending with "123" or being
    [IP = *.*.*.123][IP = 192.168.1.34]
 
 This example will match the IP address or range defined in
-:code:`$TYPO3_CONF_VARS['SYS']['devIPmask']`::
+:php:`$TYPO3_CONF_VARS['SYS']['devIPmask']`::
 
    [IP = devIP]
 
@@ -485,7 +485,7 @@ Comparison:
 Comparison with the hostname, which the website visitor uses.
 
 The values are compared to the fully qualified hostname, which is
-retrieved by PHP based on ``getenv('REMOTE\_HOST')``.
+retrieved by PHP based on :php:`getenv('REMOTE_HOST')`.
 
 Value is comma-list of domain names to match with. \*-wildcard allowed
 but cannot be part of a string, so it must match the full host name
@@ -513,7 +513,7 @@ Comparison with the application context, in which TYPO3 is running.
 
 The values are compared to applicationContext, which is set at the
 very beginning of the bootstrap sequence based on
-:code:`getenv('TYPO3_CONTEXT')`.
+:php:`getenv('TYPO3_CONTEXT')`.
 
 Value is comma-list of application contexts to match with.
 Wildcards + and \* are allowed, as well as regular expressions