Month: July 2022

Load More posts feature in WordPress

gurcharan singh

Copy below code into your functions.php

function misha_paginator( $first_page_url ){

// the function works only with $wp_query that's why we must use query_posts() instead of WP_Query()

global $wp_query;

// remove the trailing slash if necessary

$first_page_url = untrailingslashit( $first_page_url );

// it is time to separate our URL from search query

$first_page_url_exploded = array(); // set it to empty array

$first_page_url_exploded = explode("/?", $first_page_url);

// by default a search query is empty

$search_query = '';

// if the second array element exists

if( isset( $first_page_url_exploded[1] ) ) {

$search_query = "/?" . $first_page_url_exploded[1];

$first_page_url = $first_page_url_exploded[0];

}

// get parameters from $wp_query object

// how much posts to display per page (DO NOT SET CUSTOM VALUE HERE!!!)

$posts_per_page = (int) $wp_query->query_vars['posts_per_page'];

// current page

$current_page = (int) $wp_query->query_vars['paged'];

// the overall amount of pages

$max_page = $wp_query->max_num_pages;

// we don't have to display pagination or load more button in this case

if( $max_page <= 1 ) return;

// set the current page to 1 if not exists

if( empty( $current_page ) || $current_page == 0) $current_page = 1;

// you can play with this parameter - how much links to display in pagination

$links_in_the_middle = 4;

$links_in_the_middle_minus_1 = $links_in_the_middle-1;

$first_link_in_the_middle = $current_page - floor( $links_in_the_middle_minus_1/2 );

$last_link_in_the_middle = $current_page + ceil( $links_in_the_middle_minus_1/2 );

// some calculations with $first_link_in_the_middle and $last_link_in_the_middle

if( $first_link_in_the_middle <= 0 ) $first_link_in_the_middle = 1;

if( ( $last_link_in_the_middle - $first_link_in_the_middle ) != $links_in_the_middle_minus_1 ) { $last_link_in_the_middle = $first_link_in_the_middle + $links_in_the_middle_minus_1; }

if( $last_link_in_the_middle > $max_page ) { $first_link_in_the_middle = $max_page - $links_in_the_middle_minus_1; $last_link_in_the_middle = (int) $max_page; }

if( $first_link_in_the_middle <= 0 ) $first_link_in_the_middle = 1;

// begin to generate HTML of the pagination

$pagination = '<nav id="misha_pagination" class="navigation pagination" role="navigation">

<div class="older">';

if( $current_page < $max_page )

$pagination.= '<a title="Read More" id="misha_loadmore">Read More <i class="fa fa-angle-double-right"></i> </a> ';

$pagination.= "</div></nav>\n";

echo str_replace(array("/page/1?", "/page/1\""), array("?", "\""), $pagination);

}

function misha_my_load_more_scripts() {

global $wp_query;

// In most cases it is already included on the page and this line can be removed

wp_enqueue_script('jquery');

// register our main script but do not enqueue it yet

wp_register_script( 'my_loadmore', get_stylesheet_directory_uri() . '/myloadmore.js', array('jquery') );

wp_localize_script( 'my_loadmore', 'misha_loadmore_params', array(

'ajaxurl' => site_url() . '/wp-admin/admin-ajax.php', // WordPress AJAX

'posts' => json_encode( $wp_query->query_vars ), // everything about your loop is here

'current_page' => get_query_var( 'paged' ) ? get_query_var('paged') : 1,

'max_page' => $wp_query->max_num_pages,

'first_page' => get_pagenum_link(1)

) );

wp_enqueue_script( 'my_loadmore' );

}

add_action( 'wp_enqueue_scripts', 'misha_my_load_more_scripts' );

function misha_loadmore_ajax_handler(){

$args = json_decode( stripslashes( $_POST['query'] ), true );

$args['paged'] = $_POST['page'] + 1; // we need next page to be loaded

$args['post_status'] = 'publish';

query_posts( $args );

if( have_posts() ) :

while( have_posts() ): the_post();

get_template_part('content', 'grid');

endwhile;

endif;

die;

}

add_action('wp_ajax_loadmore', 'misha_loadmore_ajax_handler'); // wp_ajax_{action}

add_action('wp_ajax_nopriv_loadmore', 'misha_loadmore_ajax_handler'); // wp_ajax_nopriv_{action}



JS code to send Ajax call and receive response

<script type="text/javascript">

jQuery(function($){

$('body').on('click', '#misha_loadmore', function(){

$.ajax({

url : misha_loadmore_params.ajaxurl,

data : {

'action': 'loadmore',

'query': misha_loadmore_params.posts,

'page' : misha_loadmore_params.current_page,

'first_page' : misha_loadmore_params.first_page // here is the new parameter

},

type : 'POST',

beforeSend : function ( xhr ) {

$('#misha_loadmore').text('Loading...');

},

success : function( data ){

$('ul.sp-grid').append(data);

//$('#misha_pagination').remove();

$('#misha_loadmore').html('Read More <i class="fa fa-angle-double-right"></i>');

misha_loadmore_params.current_page++;

}

});

return false;

});

});

</script>

Finally html button which will be clicked to load more posts again and again.

<?php misha_paginator( get_pagenum_link() ); ?>

yii 2 ajax call

gurcharan singh 
 $.ajax({
            url: Yii.createUrl('/site/save-session-notification'),
            type: 'POST',
            data: {
                notification_read_status: checkbox_val,
                notification_type_id:'2'
             },                        
            success: function (data) {
              console.log("response here");
            },
            error: function (error) {
              console.log(error);
            }
        });

public function actionSaveSessionNotification()
    {
        print_r($_POST);
        die("====");
    }

Additional hidden field with radio button set default value in yii2

gurcharan singh

additional hidden field with radio button set default value in yii2

you will see yii automatically adds hidden field with each radio button and checkbox , you can set its default value by following code

1<?= $form->field($model, 'session_frequency_id')->radio(['uncheck' => 1, 'label' => 'Daily', 'value' => 1, 'class' => 'icheck toggle-able sessionhost-session_frequency_id' ] ) ?>

in above code uncheck => 1 will set hidden field value .

magento 1 create admin user programmatically

gurcharan singh

<?php

    $mageFilename = 'app/Mage.php';

    if (!file_exists($mageFilename)) {

        echo $mageFilename." was not found";

        exit;

    }

    require_once $mageFilename;

    Mage::app();

    try {

        //create new user by providing details below

        $user = Mage::getModel('admin/user')

            ->setData(array(

                'username' => 'admin1',

                'firstname' => 'John',

                'lastname' => 'Doe',

                'email' => 'john@example.com',

                'password' => 'welcome123',

                'is_active' => 1

            ))->save();

    } catch (Exception $e) {

        echo $e->getMessage();

        exit;

    }

    try {

        //create new role

        $role = Mage::getModel("admin/roles")

                ->setName('Student')

                ->setRoleType('G')

                ->save();

        //give "all" privileges to role

        Mage::getModel("admin/rules")

                ->setRoleId($role->getId())

                ->setResources(array("all"))

                ->saveRel();

    } catch (Mage_Core_Exception $e) {

        echo $e->getMessage();

        exit;

    } catch (Exception $e) {

        echo 'Error while saving role.';

        exit;

    }

    try {

        //assign user to role

        $user->setRoleIds(array($role->getId()))

            ->setRoleUserId($user->getUserId())

            ->saveRelations();

    } catch (Exception $e) {

        echo $e->getMessage();

        exit;

    }

    echo 'Admin User sucessfully created!';

    @unlink(__FILE__);

    ?>

Executing cron tasks manually in Magento

gurcharan singh

For example, we have this cron task on a config.xml file of a specific module:

1<catgento_sap_sync_nonimages><schedule><cron_expr>*/15 * * * *</cron_expr></schedule><run><model>sap/cron_sync_nonimages::run</model></run></catgento_sap_sync_nonimages>


we can create a new script that loads and executes that cron task like this (create a script.php file and put something like this inside):

1234567<?php//Load Magento APIrequire_once'app/Mage.php';Mage::app();//First we load the model$model= Mage::getModel('sap/cron_sync_nonimage');//Then execute the task$model->run();

The last step would be running this script manually (php script.php).