mod_rewrite check if query string is empty

 

 

 

 

Examples of the use of modrewrite and modalias in per-directory .htaccess files to do simple things (i.e strip the query string and redirect bots) to more advancedNote that this primarily applies to robots, so it would not have been a bad idea to also check to make sure HTTPREFERER was empty. 13 modrewrite Examples. Earlier, we looked at an example that forced the inclusion of the www part of a domain name for every request.The above code will check the QUERYSTRING variable for a lack of the key uniquekey and, if the REQUESTURI is the scriptthatrequiresuniquekey, it will If CondPattern is just "" (two quotation marks) this compares TestString to the empty string.If you dont know please check whether modproxy.c is part of the httpd -l output. If yes, this functionality is available to modrewrite. if (str eq ) print "String is empty." That would work, but if use warnings is in effect, as it should be, then you might get a Use of uninitialized value warnings if str is undef. So it might be better to check this too, before any other comparison Set index to an empty string. RewriteEngine On RewriteBase / . Checks to see if the user is attempting to access a valid file, such as an image or css document, if this isnt true it sends the request to index.php RewriteCond REQUESTFILENAME !-f And the trailing ? (an empty query string) essentially removes the query string from the rewritten substitution.

If you use relative URLs then you should also specify a RewriteBase directive.) The check for is also probably unnecessary. modrewrite is not magic. Fear, more than complexity, makes modrewrite difcult.stella. Text. matches an empty string.Causes a rewrite to be conditional Can check the value of any variable and make the rewrite conditional on that. Rewrite based on query string RewriteCond QUERYSTRING . I was converting some modrewrite rules from the Lighttpd webserver to Apache today.So how do you make the RewriteRule aware of the value of the query string to rewrite to the local on-disk file correctly? I need a rewrite rule to take all unknown directory/file requests that have no match and point them to a specific url, along with the full query string of the original request so I need this The path generated by a rewrite rule can include a query string, or can lead to internalIf CondPattern is "" (two quotation marks) this compares TestString to the empty string.If an absolute URL is specified, modrewrite checks to see whether the hostname matches the current host.

c> Check if modrewrite is available.Here is the magic code to make it happen: Redirect Query String RewriteCond QUERYSTRING keyvalue-([0-9]) [NC] RewriteRule (.) /directory/file-1.html? Im building in some caching to one of my sites, and I cant seem to find if theres a way to add a condition with modrewrite to apply only if the query string on a request is empty. Apache Configuration Question. Rewrite for an empty query string. Im building in some caching to one of my sites, and I cant seem to find if theres a way to add a condition with modrewrite to apply only if the query string on a request is empty.

Is it possible to remove empty query string parameters from a URL with Apaches modrewrite?This PHP script only processes query string paramters whose length is > 0. Empty query string params are ignored. Simply, modrewrite is used for rewriting a URL at the server level, giving the user output for that final page.If the test string is neither empty nor our own server, then we will serve an alternative (lowBasically, the query string is not part of the URL that the RewriteRule looks at, so you have to check Trailing question mark when query string is empty can be automatically removed using server-side redirection.Looks like the server variable REQUESTURI in Apache (unlike PHP) does not contain question mark at all if query string is empty. I have a strange problem, where to generate pages I am using my URLs as: site/city/city-name/page-number for that modrewrite is: RewriteRule cityHow to detect that its empty so I can generate a 404 page?(QSA Query String Append) As requested in the comments, a ruleYii sometimes pass data to view error due high traffic Check if not exists and insert in one single query with PHP We can use QUERYSTRING to check if it is the first round or subsequent one in some cases.You dont need it if QUERYSTRING is empty.Although the string parsing power of modrewrite is not that bad, it should be much easier to do your own parsing in php using SERVER modrewrite is an awesome tool that makes it easy to provide clean URLs or for setting up permanent redirects from legacy URLs to new ones, but rewriting based on an incoming query string is a little more complicated. As it turns out, the QUERYSTRING is already a part of the HTTPREFERER. So the solution is simple: RewriteCond HTTPREFERER !foobar. At first glance, the way the Apache modrewrite module handles query strings can be a littleIt then checks these URL request against a series of rules and conditions you have set.If you want to discard the original query string you must append an empty question mark at the end of the rule the Create SEO Friendly URLs With Htaccess Mod Rewrite in 3 Easy Steps.You need to pass [QSA] flag to your rewrite rule to send combined query strings.electronic cigarette with charger and 6-refills set on Cloud Sky - Free Premium Wordpress Theme : I just love checking out your writing, you Im building in some caching to one of my sites, and I cant seem to find if theres a way to add a condition with modrewrite to apply only if the query string on a request is empty. modrewrite does not have an easy way to do this from a .htaccess file without a largeSetup up the rewrite module. Check if the incoming URL contains any uppercase letters.It then rebuilds the GET parameters into a query string for use in the redirect. If there are none then this will just be an empty So I needed to go in and set modrewrite (which Im already using heavily to make my other URLs pretty) to strip the query string of get variables from the request and return that as a 301 Redirect (moved permanently). check updated answer now. anubhava Jul 30 14 at 11:48.Modrewrite for query string and actual files. 1. Multiple languages Htaccess. Checking SQL Activity. Microsoft SQL Reindexing Script. Find a Stored Procedure by String.So, when I started designing this site, I decided to delve into the wonders that are the modrewrite Apache module.If the test string is neither empty nor our own server, then we will serve an alternative (low The path generated by a rewrite rule can include a query string, or can lead to internalIf CondPattern is "" (two quotation marks) this compares TestString to the empty string.If an absolute URL is specified, modrewrite checks to see whether the hostname matches the current host. You can do it on the server side to avoid the extra page load using mod rewrite. Check if QUERYSTRING is empty (compare it to ), if it is, redirect to another page. If it isnt, do nothing When modrewrite is working on request URIs and query strings: The URI compared or captured against implicitly by a RewriteRule has been unescaped, so spaces etc are literally present, not escaped. Im trying to write a few modrewrite rules. Everything is working fine at the moment.Notice the use of [QSA] to forward any extra query parameters automatically and [NC] to make the matchIf you are trying to check if the variable url has a value that is not NULL, FALSE, 0 or an empty string, then I tried the options stated on this page, all I wanted was to check if the REQUESTURI is empty (or in this particular case, a /)Apache modrewrite/modproxy - re-write last part of URI as query string? 2011-06-28. check if querystring is not empty (this is the addition vs other answers) RewriteCond QUERYSTRING !Posted on February 20,2018 mod rewrite query string. The query string is the part of the URL that follows the question mark (?). It is often used to pass parameters to CGI scripts or other dynamic pages.But modrewrite can be used to add, remove, or modify the query string. For more recent versions, check our documentation index. Module mod rewrite URL Rewriting Engine.If CondPattern is just "" (two quotation marks) this compares TestString to the empty string. If the Pattern matches, modrewrite checks for rule conditions. If none are present, the URL will be replaced with a new string, constructed from the Substitution string, and modrewrite goes on to the next rule. Apache RewriteRule and query string. 29 January 2009 — Leave a Comment. At first look, the way Apache modrewrite module deals with query strings can be a little confusing.If you want to discard the original query string you must append an empty question mark at the end of the rule. RewriteEngine On . redirect URL with empty query string to index.php RewriteCond QUERYSTRING RewriteRuleThe only thing that kind of helped was: .htaccess modrewrite Unknown number of Variables of a GET form but I am still lost on how to implement it for multiple inarray(modrewrite, apachegetmodules()) Unfortunately, youre most likely trying to do this with CGI, which makes it a little bit more difficult.Related Questions. Checking if the string is empty. i just found if request.querystring("sub1") IS string.empty is that possible, too? or cant i mix vbscript with something else?HowTo check if Date is empty (12.00.00 AM) ??? By Andreas Klemt in forum ASP.NET General. Most if not all web developers and server administrators struggle with Apache modrewrite.At first I tried adding the variable value to a redirection using the querystring but a HTTPUSERAGENT value doesnt play well asif(!empty(r))INFO[substr(v,10)]r else MISS[substr(v,10)]r If you need to strip query strings from a URL with modrewrite, you can use a rewrite syntax such as the followingPost was not sent - check your email addresses! Email check failed, please try again. Sorry, your blog cannot share posts by email. Removing the query string in a rewrite rule of Apaches module mod rewrite is a bit tricky.If youre using Apache 2.4 or later you can use the QSD option (qsdiscard) to remove the query string like this First off why not redirect with mod rewrite? But anyways, you can concat SERVER[ QUERYSTRING] to the end of your url.Check that mocks method is called without any parameters passed (in phpunit). February 12, 2018 Php Leave a comment. if query string is empty.Not the answer youre looking for? Browse other questions tagged php apache .htaccess mod-rewrite or ask your own question. config[uriprotocol] QUERYSTRING 2. Set config[indexpage] to an empty string.LoadModule rewritemodule /usr/lib/apache2/modules/modrewrite.so. If youre running Apache2 type.Checking if the corresponding module exists may be a good idea as well (but it usually does). The path generated by a rewrite rule can include a query string, or can lead to internalIf CondPattern is "" (two quotation marks) this compares TestString to the empty string.If an absolute URL is specified, modrewrite checks to see whether the hostname matches the current host. Thanks! You can try this: RewriteCond QUERYSTRING filter [NC] RewriteRule audio/speakers httpS3 Redirect rewritten URL to a new rewritten URL Convert htaccess to nginx, seek solution htaccess: Remove parameter from URL change url alias via htaccess and mod rewrite? How to determine if a bash variable is empty?Im using mod rewrite to parse the query string and then proxy the url.Need to check disk size for folder mounted volume using checknt from Nagios. checks if test string is a valid url and user is authorized to access it. Flags. flag.Remove query string. Introduction. Some modrewrite conditions for handling query strings.

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