View source for Help:Parser functions

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'''Parser functions''' (a type of [[Help:magic words|magic word]], along with [[Help:behavior switches|behavior switches]] and variables) are features of wikitext that enable various instructions to be given to the MediaWiki software to produce variable output, as is often required in [[Help:templates|templates]]. 

Basic parser functions are detailed at [[Mediawikiwiki:Help:Magic words#Parser functions]]. Additional parser functions are added by the [[Mediawikiwiki:Extension:ParserFunctions|ParserFunctions extension]], and are detailed at [[Mediawikiwiki:Help:Extension:ParserFunctions]].

==Examples==
{{code|<nowiki>{{#time: F j, Y}}</nowiki>}} will show the current date: {{xt|{{#time: F j, Y}}}}. Other common formats for displaying a date include: 
* {{code|<nowiki>{{#time: n/j/y}}</nowiki>}}: {{xt|{{#time: n/j/y}}}},
* {{code|<nowiki>{{#time: m/d/Y}}</nowiki>}}: {{xt|{{#time: m/d/Y}}}} (with zero padding added, if necessary, to make the month and day each 2 digits long, and a 4-digit year), and
* {{code|<nowiki>{{#time: Y-m-d}}</nowiki>}}: {{xt|{{#time: Y-m-d}}}}.
* {{code|<nowiki>{{#time: Y F d H:i:s}}</nowiki>}}: {{#time: Y F d H:i:s}}
* {{code|<nowiki>{{#timel: Y F d H:i:s}}</nowiki>}}: {{#timel: Y F d H:i:s}}

{{code|<nowiki>{{#ifexpr: 1 > 0 | yes | no }}</nowiki>}} can compare values: {{xt|{{#ifexpr: 1 > 0 | yes | no }}}}

{{code|<nowiki>{{#ifeq: {{#time: D}} | Fri | TGIF!}}</nowiki>}} will display a message only on Fridays: {{xt|{{#ifeq: {{#time: D}} | Fri | TGIF!}}}}

{{code|<nowiki>{{#switch: {{#time: D}} | Fri=TGIF! | Sat=Weekend | Sun=Weekend | #default=Where's my coffee?}}</nowiki>}} will display a different message on different days: {{xt|{{#switch: {{#time: D}} | Fri=TGIF! | Sat=Weekend | Sun=Weekend | #default=Where's my coffee?}}}}

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