shell - PHP Exec - How to only display the result of the last command -

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i'm using exec php function run script grabs youtube video in mp3 format (with youtube-dl).

at end of script made echo, result want.

but when launch php page, output composed of youtbe-dl did. that:

    [youtube] ztks9svhhui: downloading webpage     [youtube] ztks9svhhui: downloading video info webpage     [youtube] ztks9svhhui: extracting video information     [youtube] ztks9svhhui: downloading js player en_us-vflgfv_kx     [youtube] ztks9svhhui: downloading js player en_us-vflgfv_kx     [download] destination: /var/www/xxx/mp3dl/kaskade - whatever ft kolaj (neus remix).webm      [download] 0.0% of 3.84mib @ 10.17kib/s eta 06:26      [download] 0.1% of 3.84mib @ 30.44kib/s eta 02:09      [. . .]      [download] 100.0% of 3.84mib @ 4.01mib/s eta 00:00      [download] 100% of 3.84mib in 00:00     [ffmpeg] destination: /var/www/xxx/mp3dl/kaskade - whatever ft kolaj (neus remix).mp3     deleting original file /var/www/xxx/mp3dl/kaskade - whatever ft kolaj (neus remix).webm (pass -k keep)     /var/www/xxx/mp3dl/kaskade - whatever ft kolaj (neus remix).mp3

the thing need :

/var/www/xxx/mp3dl/kaskade - whatever ft kolaj (neus remix).mp3

how can that? there did not understand?

edit : there php code :

$url = htmlspecialchars($_post['url']); $choice1 = $_post['choice1']; $output = exec('sh scripts/ytdlmp3_direct.sh "'.$url.'"'); if(isset($_post['action'])){     if(empty($url)) {         print("<div class='card-panel yellow'>please add url</div>")  ;     } else {         if($choice1 == "download") {             print $output;         } elseif($choice1 == "store") {             print "soon";         }     } }

thanks! ~quentin

add -q or --quiet command via exec() , not output of "debug" messages.

from documentation

-q, --quiet activate quiet mode


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