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@NogDogApr 11.2021 — #It's just basic form processing in PHP. Since the HTML form at the end is using
(Personally, I prefer to just use
The forum uses a mish-mash of[markdown](https://www.markdownguide.org/getting-started/) and bbcode tags. In markdown, underscores are used to indicate Italics. If you want to have literal underscores such as with variable names, it's best to wrap the text in single back-ticks, like:
Typing that here without the code tags: Why is
Where Is The Said Array ?
Folks,
Look at this tutorial.
Function: array_key_exists()
[code]
<!DOCTYPE html>
<html>
<head>
<title>
How to call PHP function
on the click of a Button ?
</title>
</head>
<body style=”text-align:center;”>
<h1 style=”color:green;”>
GeeksforGeeks
</h1>
<h4>
How to call PHP function
on the click of a Button ?
</h4>
<?php
if(array_key_exists(‘button1’, $_POST)) {
button1();
}
else if(array_key_exists(‘button2’, $_POST)) {
button2();
}
function button1() {
echo “This is Button1 that is selected”;
}
function button2() {
echo “This is Button2 that is selected”;
}
?>
<form method=”post”>
<input type=”submit” name=”button1″
class=”button” value=”Button1″ />
<input type=”submit” name=”button2″
class=”button” value=”Button2″ />
</form>
</head>
</html>
In the code, where is the array that lists the buttons ?
I don’t see any array like these:
$buttons = array(‘button_1′,’button_2’);
$buttons = array(‘0’=>’button_1′,’1′->’button_2’);
Or is php checking inside the built-in fuction ? Which built-in function ? Super Global $_POST ?
$GLOBALS[$
Did I write the Super Global correctly ?
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@NogDogApr 11.2021 — #It's just basic form processing in PHP. Since the HTML form at the end is using method="post"input$_POST(Personally, I prefer to just use
isset($_POST['button1'])array_key_exists('button1', $_POST)0
@NogDogApr 14.2021 — #>@developer_web#1630316 Why is this form making my above 2 lines in 'italic' style ?
The forum uses a mish-mash of
<i>
</i>Why is <span><code>$_POST</code></span> populated?
Typing that here without the code tags: Why is
$_POST