Modificar variable global de php desde javascript
Publicado por NICOLAS GERMAN (1 intervención) el 12/07/2021 18:57:06
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<?php
$grados = 0;?>
<html>
<title> APUNTAMIENTO DE ANTENA </title>
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap.min.css">
<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>
<script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/js/bootstrap.min.js"></script>
</head>
<body>
<center><br><hr>
<div class="container">
<h2>Apuntamiento de Antena</h2>
<br>
<h1 id="contador" style="color:red; font-size: 100px;">0</h1>
<br>
<button class="btn btn-primary" id='0' style="width: 150px; font-size: xx-large;"onclick="menos()">< 0° </button>
<button class="btn btn-primary" id='0' style="width: 150px; font-size: xx-large;"onclick="mas()">180°></button>
<br><br>
<button class="btn btn-primary" id='0' style="width: 100px; font-size: xx-large;" onclick="cero()">0</button>
<button class="btn btn-primary" id='90' style="width: 100px; font-size: xx-large;" onclick="noventa()">90</button>
<button class="btn btn-primary" id='180' style="width: 100px; font-size: xx-large;" onclick="cientoochenta()">180</button>
<hr>
</div>
<script>
function cero() {
<?php
global $grados;
$grados = 0;?>
$('#contador').text(<?php echo "$grados"?>);
}function noventa() {
<?php
global $grados;
$grados = 90;?>
$('#contador').text(<?php echo "$grados"?>);
}function cientoochenta() {
<?php
global $grados;
$grados = 180;?>
$('#contador').text(<?php echo "$grados"?>);
}function menos() {
<?php
global $grados;
$grados = $grados-2;?>
$('#contador').text(<?php echo "$grados"?>);
}</script>
</html>
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