how can I add a code before or after spesific element using PHP Simple HTML DOM Parser or some alternative class

Question

How can I add a code before or after a spesific element using PHP Simple HTML DOM?

For example: before

<head> add

<style> .someclass { text-align:center } </style>

output shold be:

....
<style> .someclass { text-align:center } </style>
<head>
.....

and inside some spesific div how can I add a code for example:

before parsing:

<div class="mydiv">...some original staff..</div>

after parsing should be:

<div class="mydiv"><span>my staff</span>...some original staff..</div>

I coldn't figure out. Just I achieved to replace or remove elements. Also woould appreciate if you can suggest alternative method to do this.

The output is just string? What's wrong with using str_replace? — Andrew
– Andrew, Commented Dec 12, 2013 at 10:48
but ouptput is coming from another url $html = file_get_html('http://someurl.com/some.php?id=3965'); — Johnny
– Johnny, Commented Dec 12, 2013 at 10:57
just to illustrate the problem, can I just str_replace('class="mydiv">', 'class="mydiv"><span>my staff</span>', $html)? — Andrew
– Andrew, Commented Dec 12, 2013 at 11:02

Johnny · Accepted Answer · 2013-12-12 12:02:32Z

2

Thank you Andrew it worked. I was focused to do it with simple html dom that I didn't think that there is simpler way to do that. this is how to inject element with simple htmldom

<?
include('simple_html_dom.php');
$html = file_get_html('http://someurl.com');     
$inject  = '<style> .someclass { text-align:center } </style>';
$html->find('head', 0)->innertext = $inject.$html->find('head', 0)->innertext;
echo $html;
?>

and this is your suggestion.

<?
include('simple_html_dom.php');
$html = file_get_html('http://someurl.com');     
$html = str_replace('</head>', '<style> .someclass { text-align:center } </style></head>', $html);
echo $html;
?>

edited Dec 12, 2013 at 12:02

answered Dec 12, 2013 at 11:30

Johnny

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