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My While loop is breaking the rest of my PHP on the site. Below I put my code that is working but again breaking the rest of the site. Any Suggestions

$query = array( 'post_type' => 'slides', 'orderby' => 'ASC' );
$loop = new WP_Query($query);

while ( $loop->have_posts() ) : $loop->the_post();

        $title = get_the_title();
        $image_object = get_field('slides');
        $alt = $image_object['title'];
        $sizes = $image_object['sizes'];
        $image = $sizes['slider'];

        echo '<div>';
        echo '<div class="slide">';
        echo '<img src="' . $image . '" alt="' . $alt . '" />';
        echo '</div>';
        echo '</div>';


endwhile;

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    Do you get an error message? What exactly do you mean by 'broken' can you ellaborate? – Tom J Nowell♦ Jan 15 '13 at 18:08
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    ASC is not a valid orderby argument, it's 'order' => 'ASC' – Milo Jan 15 '13 at 18:10
  • I do not get an error message. What I am doing is running the the function the_field() from ACF and it is not returning any data a string of anything. – user26062 Jan 15 '13 at 18:22
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A few points:

  • Instead of while(): endwhile; Use while() { }
  • You didn't check to see if any posts were found, if($loop->have_posts()){} will do the trick
  • You didn't cleanup after your query, inside the if statement mentioned above, make a call to wp_reset_postdata(); before your closing brace
  • Avoid generic variables like $query for your args that may already be used elsewhere. $args may be a more appropriate name
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    why would it matter which while syntax is used? – Milo Jan 15 '13 at 18:09
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    1: it violates the WP Coding standards, 2: IDEs and editors hate it and won't pick up on it when doing highlighting and auto-indenting, 3: not all server setups have the shorthand turned on, 4: consistency, a lot of plugins and code examples use {} style, and the shorthand while seems almost exclusive to post loops ( copypasta post loops may I add ), and as a result a mishmash of styles is encouraged which is counterproductive – Tom J Nowell♦ Jan 15 '13 at 18:18
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    1: it's odd that the default themes violate the coding standards and use this style for all loops, no? 2: depends on the IDE 3: it's not shorthand, it's alternate syntax, it's not something that's enabled/disabled. it really just comes down to preference, you should state it's a matter of opinion and not a reason why the code may be broken. – Milo Jan 15 '13 at 18:28
  • @Milo Agree that it's not a shorthand. About the Coding "Standards": I guess it's not worth the time discussing this. Maybe you've followed Rarsts "quest" to get a definitive answer on if it's allowed to use file()/file_put_contents()/$wp_filesystem in Themes. About the IDEs) As long as I've used IDEs, there wasn't a single one recognizing end*, extract() or global outside the same file. The ones who don't do this (out of my head) are: Eclipse/Aptana/PHPStorm. Which one do you know about that can do this? – kaiser Jan 15 '13 at 19:09
  • 1: Breaking the rules is not an excuse for others break them 2: I'm not aware of such an IDE but if it exists it's in a minority 3: okay alternate syntax but there are still real pitfalls to using it, sure you can be careful and have clean pretty code with that syntax but that takes more effort – Tom J Nowell♦ Jan 15 '13 at 20:09

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