Use PHP to extract HTML code between special tags into an array

Question

Using the sample code below, I want to extract all code between each <<BEGIN>> and <<END>> tag and append the extracted code to an array for further processing later on.

<?php
$html = '<<BEGIN>><div>Some text goes here...</div><<END>><<BEGIN>><table border="0"><tr><td>Table cell text goes here</td></tr></table><<END>><<BEGIN>><ul><li>My string</li><li>Another string</li></ul><<END>>';
?>

The end result needs to look like this:

Array (
    [0] => '<div>Some text goes here...</div>'
    [1] => '<table border="0"><tr><td>Table cell text goes here</td></tr></table>'
    [2] => '<ul><li>My string</li><li>Another string</li></ul>'
)

Hope this makes sense.

Any assistance would be greatly appreciated. Thanks in advance.

look into preg_match_all. you have some pretty basic rules, so the regex should be pretty easy to figure out. php.net/manual/en/function.preg-match-all.php — Kai Qing
– Kai Qing, Commented Feb 13, 2015 at 16:50
I used this for all of my stuff stackoverflow.com/questions/5696412/… — Dimitri
– Dimitri, Commented Feb 13, 2015 at 16:53
I would say you'll need to use a parser, as with a regex having only parent tags between each <<begin>> will require some heavy complex regex simplehtmldom.sourceforge.net — Rosmarine Popcorn
– Rosmarine Popcorn, Commented Feb 13, 2015 at 16:54

Thomas Rbt · Accepted Answer · 2015-02-13 17:00:36Z

3

Use pretg_match_all() function to do this.

<?php

    $html = '<<BEGIN>><div>Some text goes here...</div><<END>><<BEGIN>><table border="0"><tr><td>Table cell text goes here</td></tr></table><<END>><<BEGIN>><ul><li>My string</li><li>Another string</li></ul><<END>>';

    preg_match_all("/<<BEGIN>>(.*)<<END>>/", $html, $result);

    echo '<pre>';
    print_r($result[1]);
    echo '</pre>';

?>

Show the source code of the page and you will see all you wanted :) (, ...)

edited Feb 13, 2015 at 17:00

answered Feb 13, 2015 at 16:51

Thomas Rbt

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2 Comments

Thomas Rbt Over a year ago

I did the full regex, and print_r the result he wanted. Don't forget to upvote if all is clear :)

Thomas Rbt Over a year ago

You can check my answer in green to write that's resolute :) You're welcome !

Elin · Accepted Answer · 2015-02-13 17:10:00Z

1

You can strip the <<END>> and <<BEGIN>> from start and finish of the string and then explode on <<END>><<BEGIN>> .

$html = substr($html, 9);
$htmlleng = strlen($html) - 7;
$html = substr($html, 0, $htmlleng);
$myarray = explode('<<END>><<BEGIN>>', $html)

(You can make that more elegant but it shows what you would need to accomplish.)

answered Feb 13, 2015 at 17:10

Elin

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