问题内容:

I need to remove two parts of a your tube url and replace them

watch?v= needs to be /embed/
and &feature=youtu.be needs to just be removed.

Previously I had a stip replace which worked fine on Iphones
this code was

          <?php
$url = get_post_meta( get_the_ID(), 'wpcf-item-video', true );
$my_var = '/embed/';  
$url = str_replace("watch?v=", $my_var, $url );
 ?>
<iframe src="<?php echo $url ?>?&theme=dark&autoplay=1&keyboard=1&autohide=1" height="300px" frameborder="0" gesture="media" allowfullscreen=""><style> .ytp-title{display:none;}</style></iframe>

However then I found I also need to remove the &feature=youtu.be so I did this

     <?php
  $phrase  = get_post_meta( get_the_ID(), 'wpcf-item-video', true );
    $youtube = ["watch?v=", "&feature=youtu.be"];
    $replaced   = ["/embed/", ""];
    $newPhrase = str_replace($youtube, $replaced, $phrase); 
     ?>
    <iframe src="<?php echo $newPhrase ?>?&theme=dark&autoplay=1&keyboard=1&autohide=1" height="300px" frameborder="0" gesture="media" allowfullscreen=""><style> .ytp-title{display:none;}</style></iframe>

However, my latest code does not work. Can anyone explain why please?

Is there a better way of doing this?

Thanks

问题评论:

does not work is not usefull. What doesn’t work? What is the input string? What do you expect? What do you get? Please, edit your question and add these informations

原文地址：

https://stackoverflow.com/questions/47744495/why-is-this-string-replace-not-working-on-ios

Programming Language · 2017-12-12 0

Why is this string replace not working on ios

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