Dropdown menus are a crucial part of many web forms, providing users with predefined options to choose from. However, there are scenarios where users need to add new options or input custom values. This post outlines how to dynamically add options to a dropdown list using a text box and show or hide the text box when "Other" is selected. Dynamic Dropdown Option Addition Using JavaScript and Ajax, you can create a seamless experience for users to add new options dynamically. Below is the implementation: JavaScript Code for Dynamic Option Addition $ ( document ). on ( 'click' , '.btcl' , function () {     var dataString = 'Rule=comp_list' ;     $ . ajax ({         type : "POST" ,         url : "ajax.php" ,         data : dataString ,         cache : false ,         success : function ( data ) {             $ ( "#company_list" ). html ( dat...

Dynamically Loading Child Dropdowns Using Parent Dropdown Selection Efficient management of dropdown menus is a common requirement in web development, especially when creating dynamic forms. This blog explores a simple and scalable approach to dynamically loading child dropdowns based on the selected option in parent dropdowns using a single jQuery Ajax function. Key Highlights of the Method Unified Ajax Call: A single Ajax function handles multiple dropdown relationships, reducing repetitive code. Dynamic Data Preparation: Based on the parent dropdown's ID, relevant data is passed to the server to fetch the required child dropdown options. Enhanced User Experience: Child dropdown options update instantly, ensuring responsiveness and interactivity. The JavaScript Solution Below is the JavaScript code using jQuery for dynamically updating child dropdowns: $ ( document ). ready ( function () {   // Unified Ajax Call for Dropdown Updates   $ ( '.rnscall' ). on ( 'chang...

Unleash Email Power in XAMPP: A Sophisticated Guide to Enabling PHP IMAP For PHP developers working locally with XAMPP, the ability to interact with email servers goes beyond merely sending messages. Features like building custom webmail clients, parsing incoming emails, or handling subscriptions often require the Internet Message Access Protocol ( IMAP ) extension for PHP. While XAMPP provides a robust local development environment, the IMAP extension isn't enabled by default. This post will walk you through a detailed, sophisticated process to activate PHP IMAP in your XAMPP setup, ensuring your local development environment is ready for advanced email functionalities. What is IMAP and Why Enable It in PHP? IMAP (Internet Message Access Protocol) is a standard protocol for accessing email from a server. Unlike POP3 (Post Office Protocol 3), which typically downloads emails to your local device and removes them from the server, IMAP allows you to manage emails directly on the serv...

The below simple php function is used to update data into MySql database with out manually filling the update mysql query with input filed names. Function: function update_Defined($table, $data, $condition){     // update('table', array_map('trim',$_POST),'id='.$_POST['p_id']);     global $db;     $query = "UPDATE `" . $table . "` SET ";     $fis = array(); $vas = array();        foreach ($data as $field => $val){         $fis[] = "`$field`";         $vas[] = "'" . mysqli_real_escape_string($db,$val) . "'";     }        foreach ($fis as $key => $field_name) {         $fields[$key] = $field_name;         if (isset($vas[$key])) {             $fields[$key] .=...

The below simple php function is used to insert data into MySql database with out manually filling the insert mysql query with input filed names. Function: function insert_Defined($table, $array,$ins=''){   // insert('table', array_map('trim',$_POST));     global $db;     $query = "INSERT INTO" . ' ' . $table;     $fis = array(); $vas = array();         foreach ($array as $field => $val) {         $fis[] = "`$field`";         $vas[] = ($val != "NOW()") ? "'" . mysqli_real_escape_string($db,$val) . "'" : "NOW()";     }         $query .= "(" . implode(",", $fis) . ") VALUES (" . implode(",", $vas) . ")";     //echo $query;exit;     Query($query);if(!empty($ins)){$ins_id=mysqli_insert_id($db);return $ins_id;} } Form: ...

The below function is used to calculate number of working days in a month. Function Calling: $no_days= rns_countDays ($row['date'],array(0, 6)); Function: function rns_countDays($date, $ignore) {      //echo countDays(array(0, 6), start_date, end_date);     $count = 0;     $ndays=0;     $now=date("Y-m-d");     $month=date("m",strtotime($date));     $year=date("y",strtotime($date));            if($month==date("m") && $year==date('y')) { //Date diff month start date to current date         $from_date = new DateTime($year.'-'.$month.'-01');         $to_date = new DateTime($now);         $days_diff=$from_date->diff($to_date); //echo $days_diff->d;         $ndays=$days_diff->format("%a");     ...

Today eabhyas come up with a Query String function. This function is useful to get the Query String from URL. This Function is used to get current filename with first parameter(Query String) from URL using PHP function . Function: function rns_QueryString_first($incomingURL){     preg_match('/[^&]+/', $incomingURL, $match);     return $outgoingURL = $match[0]; } Example: $path="property_add?id=3&aa=aa&b=123"; define('RNSFIFQ', rns_QueryString_first($path)); echo RNSFIFQ; Output: property_add?id=3

This simple PHP function is used to Remove Duplicate QueryStrings from URL. Function: function rnsQueryString_dupremov($qstring){     if(!empty($qstring)) {     $vars = explode('&', $qstring);     $final = array();     if(!empty($vars)) {         foreach($vars as $var) {             $parts = explode('=', $var);                 $key = $parts[0];             if(!empty($parts[1])) { $val = $parts[1]; } else {$val="";}                 if(!array_key_exists($key, $final) && !empty($val))                 $final[$key] = $val;         }     }     return...

New EBS Version 3 Integration kit , based on PHP platform, can be downloaded from the following link: https://support.ebs.in/app/ind ex.php?/default_import/Knowled gebase/Article/View/620/29/ version-3-php-integration-kit Integration Guide can be downloaded through: https://support.ebs.in/app/ind ex.php?/Knowledgebase/Article/ View/651/29/ebs_integration_ guide_301 To fetch your secret key kindly login to your merchant console panel ( secure.ebs.in ) and navigate to Account >> Settings. (Login credentials will be automatically triggered to registered email id, once the account is made LIVE from our end) Kindly note that by default your EBS account is configured to use SHA512 as the hashing algorithm in the payment page template. Method to calculate the hash for request parameters: MD5/SHA1/SHA512: Hash should be calculated for all posting parameters along with your secret key. First, all the posting parameters should be sorted in ascending order and then with the secret ke...

The below PHP function used to Populate HTML Dropdown List from Array Values. Function : <?php function rnsdrop_Array($arr,$selids,$title='Select'){     print"<option value='0'>".$title."</option>";     foreach($arr as $id =>$name) {     if($selids==$id && $id!=0)         print "<option value=\"".$id."\" selected>".stripslashes($name)."</option>\r\n";     else if($id!=0)         print "<option value=\"".$id."\">".stripslashes($name)."</option>\r\n";     } } ?>   The below example explains how to generate dropdown list with array values using simple PHP function.   Example: <?php $arr=array(0=>'-',1=>'East','West','North','South'); rnsdrop_Array($prop_facing, @$row['prop_facing'],"Select Property Fac...

A barcode is an optical, machine-readable, representation of data, the data usually describes something about the object that carries the barcode.We will use PHP to generate Barcode in this tutorial. In this script, we are using coding which will generate barcodes in barcode format Code 128 . First, we will create index.php which will ask for the user input for which Barcode has to be created PHP Barcode Generator <fieldset><legend>Detail Informations</legend><form action="createbarcode.php" method="post"><b>Enter Your Code </b><input name="barcode" type="text" /><input type="submit" value="Create Barcode" /></form></fieldset> Now we will create createbarcode.php which will call function from Barcode code128 class for creating barcode <? php include('barcode128.php'); // include php barcode 128 class // design our barcode display echo...