d2/deb/test02_8php_source.html

 <?php

     // inclusione del framework
         require '../../../_src/_config.php';

     // test
         $tx      = '<!DOCTYPE HTML>';
         $tx     .= '<html>';
         $tx     .= '<head>';
         $tx     .= '<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0/css/bootstrap.min.css">';
         $tx     .= '<meta name="viewport" content="width=device-width">';
         $tx     .= '</head>';
         $tx     .= '<h3>immagine responsiva <span id="dimensions"></span></h3>';
         $tx     .= '<picture style="width: 100%;">';
         foreach( $ct['img']['formats']['l'] as $w => $h ) {
             $tx .= '<source srcset="../../../var/immagini/' . $w . 'l/slide03.jpg" media="(orientation: landscape) and (max-width: ' . $w . 'px)">';
         }
         foreach( $ct['img']['formats']['p'] as $w => $h ) {
             $tx .= '<source srcset="../../../var/immagini/' . $w . 'p/slide03.jpg" media="(orientation: portrait) and (max-width: ' . $w . 'px)">';
         }
         $tx     .= '<img class="img-fluid" src="../../../var/immagini/slide03.jpg" alt="prova slide 03">';
         $tx     .= '</picture>';
         $tx     .= '<script>';
         $tx     .= 'window.onresize = displayWindowSize;';
         $tx     .= 'window.onload = displayWindowSize;';
         $tx     .= 'function displayWindowSize() {';
         $tx     .= 'myWidth = window.innerWidth;';
         $tx     .= 'myHeight = window.innerHeight;';
         $tx     .= '    document.getElementById("dimensions").innerHTML = myWidth + "x" + myHeight;';
         $tx     .= '};';
         $tx     .= '</script>';
         $tx     .= '</html>';

     // output
         build( $tx, MIME_TEXT_HTML );

 ?>
$ct
if(isset( $cx['contatti'])) if(isset( $cf['site']['contatti'])) $ct['contatti']
Definition: _035.common.php:24

$w
$w
Definition: _task.sprint.pdf.php:96

$h
$h
Definition: _task.sprint.pdf.php:95

MIME_TEXT_HTML
const MIME_TEXT_HTML
Definition: _output.tools.php:25

build
build( $content, $type=MIME_TEXT_PLAIN, $encoding=ENCODING_UTF8, $headers=array())
Definition: _output.tools.php:132

$tx
$tx
Definition: test02.php:7