Hows to create a redirection “wildcard” function

  • TWD

    (@twd)


    6 years, 6 months ago

    I’ve got the following switch statement which works well.

    switch ($currenturl_relative) {
    
        case '/devel/lms/ja/lessons/planning-a-meeting-int/':
            $urlto = home_url('/lessons/planning-a-meeting-int/');
            break;
            
        case '/devel/lms/ja/quizzes/planning-a-meeting-int-quiz/':
            $urlto = home_url('/quizzes/planning-a-meeting-int-quiz/');
            break;    
        
        default:
            return;
    
    }

    But I’d like to set this up so it works in a “wild card” fashion.
    Something like:

    switch ($currenturl_relative) {
    
        case '/devel/lms/ja/lessons/*/':
            $urlto = home_url('/lessons/*/');
            break;
            
        case '/devel/lms/ja/quizzes/*/':
            $urlto = home_url('/quizzes/*/');
            break;    
        
        default:
            return;
    
    }

    But of course “*” (asterisk) is NOT the correct syntax.
    Any advice on how to extract the final URL parameter as a variable that can be just plugged into the redirection case switcher?
    A rookie PHP question to be sure 😉

    • This topic was modified 6 years, 6 months ago by TWD.
Viewing 5 replies - 1 through 5 (of 5 total)
  • Laygen

    (@laygen)

    6 years, 6 months ago

    Hi,

    You can use regex for do that, something like this return the * value:

    <?php

$string = '/devel/lms/ja/lessons/planning-a-meeting-int/';

$out = '';

preg_match( '/\/devel\/lms\/ja\/lessons\/(.*)\//', $string, $out );

var_dump( $out );
    Thread Starter TWD

    (@twd)

    6 years, 6 months ago

    Thanks but I think you kind of missed my point.

    $string = '/devel/lms/ja/lessons/planning-a-meeting-int/';

    I want something thats going to parse out ALL urls that begin: /devel/lms/ja/lessons/[slug]/

    and return them as:
    /lessons/[slug]/

    Hence the question about “wild card” parameters.

    Laygen

    (@laygen)

    6 years, 6 months ago

    For all url start with /devel/lms/ja/lessons/[slug]/

    <?php

$tests_url = array();
$tests_url[0] = '/devel/lms/ja/lessons/planning-a-meeting-int/';
$tests_url[1] = '/devel/lms/ja/lessons/test/';

$out = '';

foreach ( $tests_url as $test_url ) {
   preg_match( '/\/devel\/lms\/ja\/(lessons)\/(.*)\//', $test_url, $out );
   var_dump( $out );
}

    For the first entry of tests_url: /devel/lms/ja/lessons/planning-a-meeting-int/

    $out[0] = “/devel/lms/ja/lessons/planning-a-meeting-int/”
    $out[1] = “lessons”
    $out[2] = “planning-a-meeting-int”

    For the second entry of tests_url: /devel/lms/ja/lessons/test/

    $out[0] = “/devel/lms/ja/lessons/test/”
    $out[1] = “lessons”
    $out[2] = “test”

    autotutorial

    (@autotutorial)

    6 years, 6 months ago

    <?php

//$string = '/devel/lms/ja/lessons/';
$string = '/devel/lms/ja/lessons/planning-a-meeting-int/';

preg_match_all( '|^/devel/lms/ja/([^/]+)/([^/]*)/$|', $string, $out );

if(!empty($out[1]))
{
$out[0] = $out[1][0];
$out[1] = $out[2][0];
unset($out[2]);
// Without start and end slash
var_dump( $out );
}

    leassons or quizzle is first slug

    autotutorial

    (@autotutorial)

    6 years, 6 months ago

    If $currenturl_relative returns the path with two slugs you can also temporarily insert a variable containing only the two slugs.

    <?php
$currenturl_relative = '/devel/lms/ja/lessons/planning-a-meeting-int/';
$start_url = dirname(dirname($currenturl_relative)).'/';
$slug_all = substr($currenturl_relative,strlen($start_url));
switch ($start_url) {
case '/devel/lms/ja/';
preg_match( '|^([^/]+)+/([^/]+)+/$|', $slug_all, $out );

if(!empty($out))
{
$out[0] = $out[1];
$out[1] = $out[2];
unset($out[2]);
// Without start and end slash
var_dump( $out );
}
break;

default:
return;
}

    Fix with preg_match…

    
<?php
//$string = '/devel/lms/ja/lessons/';
$string = '/devel/lms/ja/lessons/planning-a-meeting-int/';

preg_match( '|^/devel/lms/ja/([^/]+)+/([^/]+)+/$|', $string, $out );

if(!empty($out))
{
$out[0] = $out[1];
$out[1] = $out[2];
unset($out[2]);
// Without start and end slash
var_dump( $out );
}
    • This reply was modified 6 years, 6 months ago by autotutorial.
Viewing 5 replies - 1 through 5 (of 5 total)

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