Using preg_match_all matches within Javascript code

Question

I'm created a regex in PHP by using the preg_match_all function to get a SoundCloud audio url within my WordPress post. The regex works correctly without any problem:

preg_match_all[0][0] = https://soundcloud.com/anevo-remix/h3llo-anevo-remix-final

When I try the preg_match_all[0][0] the player doesn't load, but when I put the https://soundcloud.com/anevo-remix/h3llo-anevo-remix-final url, the player loads without any problem. How can I use the PHP code such that the player loads?

<?php
    $soundcloud_pattern = "/((http:\/\/(soundcloud\.com\/.*|soundcloud\.com\/.*\/.*|soundcloud\.com\/.*\/sets\/.*|soundcloud\.com\/groups\/.*|snd\.sc\/.*))|(https:\/\/(soundcloud\.com\/.*|soundcloud\.com\/.*\/.*|soundcloud\.com\/.*\/sets\/.*|soundcloud\.com\/groups\/.*)))/i";
    if(preg_match_all($soundcloud_pattern, $subject, $soundcloud_audio_url)) {
    var_dump($soundcloud_audio_url);
    echo ' 
    <script src="https://connect.soundcloud.com/sdk/sdk-3.0.0.js"></script>
    <div id="soundcloud-audio"></div>
    <script type="text/JavaScript">
        SC.oEmbed("'.$soundcloud_audio_url[0][0].'", {
            element: document.getElementById("soundcloud-audio")
        });
    </script>';
}
?>

What does the generated HTML look like (ie use "View page source")? — Phil
– Phil, Commented Nov 11, 2015 at 5:06
Kow i found the problem. when i put the php code cause new line break. but i want remove the new line break in my php code how can i do this? — SAFEEN 1990
– SAFEEN 1990, Commented Nov 11, 2015 at 5:14
"new line break" where? How was a line-break causing the problem? — Phil
– Phil, Commented Nov 11, 2015 at 5:14
when i use php code the first double quote ramain at this line SC.oEmbed("soundcloud url but the second double quote comes to this line "{element: document.getElementById("soundcloud-audio") i used url manually when i put url between the double quotes in the same line don't cause any problem but when the second double quote comes to new line don't load player — SAFEEN 1990
– SAFEEN 1990, Commented Nov 11, 2015 at 5:29

Phil · Accepted Answer · 2015-11-11 05:38:10Z

2

Try like this. I also see no reason to use preg_match_all

<?php
$soundcloud_pattern = "/((http:\/\/(soundcloud\.com\/.*|soundcloud\.com\/.*\/.*|soundcloud\.com\/.*\/sets\/.*|soundcloud\.com\/groups\/.*|snd\.sc\/.*))|(https:\/\/(soundcloud\.com\/.*|soundcloud\.com\/.*\/.*|soundcloud\.com\/.*\/sets\/.*|soundcloud\.com\/groups\/.*)))/i";
if (preg_match($soundcloud_pattern, $subject, $soundcloud_audio_url)) : ?>
<script src="https://connect.soundcloud.com/sdk/sdk-3.0.0.js"></script>
<div id="soundcloud-audio"></div>
<script>
SC.oEmbed(<?= json_encode(trim($soundcloud_audio_url[0])) ?>, {
    element: document.getElementById("soundcloud-audio")
});
</script>
<?php endif ?>

answered Nov 11, 2015 at 5:38

Phil

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