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WordPress Query Vars « WordPress Codex

    https://codex.wordpress.org/WordPress_Query_Vars
    Query vars define a query for WordPress posts. When ugly permalinks are enabled, query variables can be seen in the URL. For example, in the URL http://example.com/?p=1 the p query var is set to 1, which will display the single post with an ID of 1. When pretty permalinks are enabled, URLs don't include query variables.

WP_Query Class WordPress Developer Resources

    https://developer.wordpress.org/reference/classes/wp_query/
    $query = new WP_Query( array( 'pagename' => 'contact' ) ); Display child page using the slug of the parent and the child page, separated by a slash (e.g. ‘parent_slug/child_slug’): $query = new WP_Query( array( 'pagename' => 'contact_us/canada' ) ); Display child pages using parent page ID: $query = new WP_Query( array( 'post_parent' => 93 ) );

View all WP query variables WP-Mix

    https://wp-mix.com/wp-query-variables/
    Dec 22, 2016 · Micro Tip for the day: slice of PHP code for viewing all WordPress query variables. Very useful for figuring out custom loops and such. Just add this in any theme template file, for example just before the WordPress Loop: global $wp_query; var_dump($wp_query->query_vars); Check out View all WP Post variables to learn more. More tuts + trix on the way :)

get_query_var() Function WordPress Developer Resources

    https://developer.wordpress.org/reference/functions/get_query_var/
    33 rows · To get the current pagination number on a static front page (Page template) you …

WordPress pass query variables in URL - Lehel Matyus

    https://www.lehelmatyus.com/1357/wordpress-pass-query-variables-in-url
    May 02, 2019 · WordPress will ignore any query variables passed to a page unless it was specifically registered. In the above example the ?show= variable would be completely ignored unless registered. Here are the steps to be able to use these. Register it in your function.php file

Adding Custom Query String URL Variables in WordPress and ...

    https://www.riseofweb.com/using-custom-query-string-url-variables-in-wordpress/
    Apr 15, 2015 · April 15, 2015 Daniel Chase Programming, Web Development, WordPress One flaw with WordPress is when you use their permalink structure, PHP can no longer recognize functions like $_GET [‘variable_name’] or $_SERVER [‘QUERY_STRING’].

get_query_var vs global query variables? - WordPress ...

    https://wordpress.stackexchange.com/questions/96312/get-query-var-vs-global-query-variables
    However, today I learnt that the query variables are accessible as global variables. All I have to do is declare global $profession; and I can start using the value of the variable anywhere within the template. This to me appears to be a much better way of accessing the query vars without the overheads of nested functions of get_query_var ().
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