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Is there any way to return HTML in a PHP function? (without building the return value as a string)

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误落风尘
误落风尘 2020-12-12 11:55

I have a PHP function that I\'m using to output a standard block of HTML. It currently looks like this:
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8条回答
  • 一生所求
    2020-12-12 12:06

    You can use a heredoc, which supports variable interpolation, making it look fairly neat:

    function TestBlockHTML ($replStr) {
return <<<HTML
    <html>
    <body><h1>{$replStr}</h1>
    </body>
    </html>
HTML;
}

    Pay close attention to the warning in the manual though - the closing line must not contain any whitespace, so can't be indented.

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  • 谎友^
    2020-12-12 12:15

    Create a template file and use a template engine to read/update the file. It will increase your code's maintainability in the future as well as separate display from logic.

    An example using Smarty:

    Template File

    <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html>
<head><title>{$title}</title></head>
<body>{$string}</body>
</html>

    Code

    function TestBlockHTML(){
  $smarty = new Smarty();
  $smarty->assign('title', 'My Title');
  $smarty->assign('string', $replStr);
  return $smarty->render('template.tpl');
}
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  • 再見小時候
    2020-12-12 12:15

    Template File

    <h1>{title}</h1>
<div>{username}</div>

    PHP

    if (($text = file_get_contents("file.html")) === false) {
    $text = "";
}

$text = str_replace("{title}", "Title Here", $text);
$text = str_replace("{username}", "Username Here", $text);

    then you can echo $text as string

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  • 情歌与酒
    2020-12-12 12:17

    Another way to do is is to use file_get_contents() and have a template HTML page

    TEMPLATE PAGE

    <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html>
<head><title>$title</title></head>
<body>$content</body>
</html>

    PHP Function

    function YOURFUNCTIONNAME($url){

$html_string = file_get_contents($url);
return $html_string;

}
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  • 名媛妹妹
    2020-12-12 12:23

    Or you can just use this:

    <?
function TestHtml() { 
# PUT HERE YOU PHP CODE
?>
<!-- HTML HERE -->

<? } ?>

    to get content from this function , use this : 

    <?= file_get_contents(TestHtml()); ?>

    That's it :)

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  • 时光说笑
    2020-12-12 12:24

    If you don't want to have to rely on a third party tool you can use this technique:

    function TestBlockHTML($replStr){
  $template = 
   '<html>
     <body>
       <h1>$str</h1>
     </body>
   </html>';
 return strtr($template, array( '$str' => $replStr));
}
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