What to do if php placeholder cannot be used

php placeholder cannot be used because of a code error. The solution is: first open the corresponding code file; then change "placeholder "Your name here"" to "placeholder="Your name here"" that is Can.

The operating environment of this article: windows7 system, PHP7.1 version, DELL G3 computer

Error code:

<form role="search" method="get" id="searchform" class="searchform" action="<?php echo esc_url(home_url(&#39;/&#39;)); ?>">
  <input type="search" class="search rm-input" value="<?php echo get_search_query(); ?>" name="s" id="s" placeholder "Your name here"/>
  <input type="submit" style="display:none" id="searchsubmit" value="<?php echo esc_attr_x(&#39;Search&#39;, &#39;submit button&#39;); ?>" /></form>

I don't know why the placeholder text is not showing in the field...

Workaround:

The missing "=" in the code should be:

placeholder="Your name here"

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