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this is not really a question... But I think you are asking why php functions inside a HTML button do not work.

Well probably because php is rendered serverside and is passed to a user-browser afterwards.... it is possible to use php inside onclick... but only to display specific content (javascript function for instance)... it is not possible to let a user decide to run a specific php function by clicking a button.

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How do you use a function with a button in PHP?

A simple function call <html> <body> <?php if(isset($_POST['button'])) { setValue(); // Function is called } function setValue() { echo "<br>The button property to call PHP function works"; // Your code here } ?> <input type="submit" name="button" onclick=<?php $_SERVER['PHP_SELF']; ?> /> </body> </head>


How to display listbox selected value in a texbox?

Here's the code: <head> <title>List Box Value in Text Box</title> <script type="text/javascript" language="javascript"> function getValue(string) { document.getElementById("text").value = string; } </script> </head> <body> <form name="form1"> <h2>Get Selected Value</h2> <select name="select" size="5" onclick="getValue(this.value)"> <option value="apple">Apple</option> <option value="tangerines">Tangerines</option> <option value="banana">Banana</option> <option value="grapes">Grapes</option> </select> <input type="text" id="text" name="text" /> </form> </body> </html>


How do you give connection between HTML and java servlet?

You cannot. HTML is a static file and it cannot interact with a Java Servlet. A Servlet can always redirect to a HTML page but the other way round cannot happen.


When a JSP is executed what will be sent to the client?

html


How will you add image in HTML and servlet?

<img src="image Path">

Related Questions

What is the Javascript onclick?

The Javascript onclick function is a popular part of Javascript. The Javascript onclick function makes it easy and simple for one to quickly link a page.


What is the code for a download button in HTML?

Example: Example.exe <button type="button" onClick="location.go(example.exe)">Download</button>


How do you use a function with a button in PHP?

A simple function call <html> <body> <?php if(isset($_POST['button'])) { setValue(); // Function is called } function setValue() { echo "<br>The button property to call PHP function works"; // Your code here } ?> <input type="submit" name="button" onclick=<?php $_SERVER['PHP_SELF']; ?> /> </body> </head>


What is HTML code of Display text after click on submit button?

To create a button that displays text after being clicked, you can use HTML and JavaScript. Here's an example code: HTML: <button onclick="displayText()">Submit</button> <p id="text"></p> JavaScript: function displayText() { document.getElementById("text").innerHTML = "Text to display after clicking submit button."; } In this code, the button is created using the <button> tag and an onclick attribute is added to call the displayText() function when clicked. The function displayText() uses JavaScript to access the element with the ID "text" and change its innerHTML to the desired text, which will be displayed below the button.


Usig HTML how do you make a link under a button?

Button is automatically used to hyperlink so there is no need to href. You can easily place onclick option on the button.


Create an HTML page which pops up an alert message?

<html> <head> <script type="text/javascript"> function show_alert() { alert("I am an alert box!"); } </script> </head> <body> <input type="button" onclick="show_alert()" value="Show alert box" /> </body> </html>


How do you move from one form to another form by clicking a button in HTML?

You could use a hyperlink and use anchors (#'s): Link text goes here... But you couldn't use a button that way. The best way to use a button to do this would be with JavaScript. It is integrated into an HTML document so all you have to do is set up an event handler onclick: ...And there you are! When you click the button it will take you to the top of the next form.


How do you write a password validation using javaScript?

Although this password script would get you hacked in the blink of an eye, you could use <html> <head> <script type="text/javascript"> function PassCheck() { var pass=12345 var check=prompt("Enter Pass",""); if (pass==check) { document.write("Correct!") } else { document.write("Incorrect!") } } </script> </head> <body> <button type="button" onclick="PassCheck()">Enter Password</button> </body> </html>


Is it possible to put php in an onclick HTML event?

No. PHP runs on the server. It receives a http request from the web server, and sends output (typically as html) to the browser. Any code in an onclick event would be handled by javascript. To send data back to the webserver (and PHP) you can make a synchronous request (AJAX) from an onclick, or any other browser event.


What is innerHTML in javascript?

innerHTML is often used in javasript to change the value already present in html tags. For eg The following code will change the text on button click <html> <head> <script type="text/javascript"> function changeText() { document.getElementById("changeText").innerHTML = "I am fine thank you. How about you?" } </script> </head> <body> <div id="changeText"> Hello! How are you? </div> <input type="button" value="Change Text" id="button_1" onclick="changeText()" /> </body> </html>


Write a JavaScript program to print first ten odd natural numbers?

<html> <head> <script type="text/javascript"> function series() { var i=1 while(i<=10) { document.write(i+"<br>") i=i+2 } } </script> </head> <body> <form action="#" name=f1> <input type=button value="generate series" onclick="series()"> </form> <br><span id="outtab"></span> </body> </html>


How can you write a messageDlg?

I think the following javascript code will help u : just chek n try it once <html> <head> </head> <body> <form> <input type="button" onclick="disp_alert()" value="Display alert box"> </form> </body> </html> Output is like this : A button will display n by clicking on it u wil get an alert box. All the best