Call to undefined function - laravel

Question

I want to use a helper functions but I got this error in my view :

Call to undefined function createSubCategories()

path of my helper functions:

Http\Controllers\Utilities\Helpers.php

my hlper :

<?php
namespace App\Http\Controllers\Utilities;


    function createSubCategories($parent_cat_id = 0)
    {

        $subs = DB::table('categories')->where('parent_cat_id', '=', $parent_cat_id)->get();
        if (count($subs) > 0) {
            echo '<ul>';
            foreach ($subs as $sub) {
                echo '<li>' . $sub->title_fa;
                echo $this->createSubCategories(($sub->id));
                echo '</li>';
            }
            echo '</ul>';
        }
    }

in composer.json :

"autoload": {
    "classmap": [
        "database"
    ],
    "psr-4": {
        "App\\": "app/"
    },
    "files":
    [
        "app/Http/Controllers/Utilities/Helpers.php"
    ]
},

I used composer dump-autoload.

my view:

{{createSubCategories(0)}}

S.M_Emamian · Accepted Answer · 2016-09-29 17:30:20Z

4

solved:

I just removed the namespace :

namespace App\Http\Controllers\Utilities;

answered Sep 29, 2016 at 17:30

S.M_Emamian

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Comments

matthiku · Accepted Answer · 2016-09-29 18:01:59Z

1

I could reproduce your problem and the solution is to leave out the line

namespace App\Http\Controllers\Utilities;

in your Helpers.php

answered Sep 29, 2016 at 18:01

matthiku

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Comments

Jeru Luke · Accepted Answer · 2018-06-23 10:40:01Z

1

I have faced same problem that you have mentioned above. in my composer.json, I did not integrate the helper functions. By integrating in composer.json->autoload->files, now it is ok.

 "autoload": {
 "files":[
 "app/Helper/setting.php"
  ]
  }

if your path is alright then it will be ok. For Every change of your helper function you must run the command composer dump-autoload.

edited Jun 23, 2018 at 10:40

Jeru Luke

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answered Jun 23, 2018 at 10:12

Ziaur Rahman

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