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ACF Form Error Messages

  • Hi Guys,

    Calling Front End acf_form

    Creates The Following :-

    Warning: array_merge() [function.array-merge]: Argument #2 is not an array in /var/sites/i/ on line 1100
    Warning: Invalid argument supplied for foreach() in /var/sites/i/ on line 1104

    The form is created however Picture and Date picker don’t Work.

    Latest WP and Clean install no other plugins.

    Any Ideas out there ??

  • Hi @OldSkool

    What code are you using to create the form?

  • Similar issue. WP 3.9. ACF 4.3.7. My “Create a new task” submit button displays, but no form, and this error message: “Warning: array_merge() [function.array-merge]: Argument #1 is not an array in …wp-content/plugins/advanced-custom-fields/core/api.php on line 1185”

    <?php acf_form(array(
    'post_id' => 'new_post',
    'new_post' => array(
    'post_type' => 'todo_task',
    'post_status' => 'publish'
    'submit_value' => 'Create a new task'
    )); ?>
  • having the same problem here.. Has anyone figured out a solution yet?

    Any feedback would be appreciated, thanks!

    Error: “Warning: array_merge() [function.array-merge]: Argument #1 is not an array in …wp-content/plugins/advanced-custom-fields/core/api.php on line 1185″

  • same here. it does not work, if you use the example for creating new posts found here:

    it throws a “Warning: array_merge(): Argument #1 is not an array in *ROOT*\wp-content\plugins\advanced-custom-fields\core\api.php on line 1185

    <?php acf_form_head(); ?>
    <?php get_header(); ?>
    	<div id="primary" class="content-area">
    		<div id="content" class="site-content" role="main">
    			<?php /* The loop */ ?>
    			<?php while ( have_posts() ) : the_post(); ?>
    				<?php acf_form(array(
    					'post_id'		=> 'new_post',
    					'new_post'		=> array(
    						'post_type'		=> 'event',
    						'post_status'		=> 'publish'
    					'submit_value'		=> 'Create a new event'
    				)); ?>
    			<?php endwhile; ?>
    		</div><!-- #content -->
    	</div><!-- #primary -->
    <?php get_sidebar(); ?>
    <?php get_footer(); ?

    help would be much appreciated…

  • hi guys,

    I’ve solved this issue, unfortunately by modifying *ROOT*\wp-content\plugins\advanced-custom-fields\core\api.php

    all you need to do is add new line with:
    'new_post' => array(),
    right after this:
    'updated_message' => __("Post updated", 'acf'),

    I know it’s not a good thing to modify core files of the plugin, but the fact is it’s ACF’s bug

  • Cheers orco, I’ll give it a try and report back to confirm the results 🙂

  • I just had a reply from @Elliot Condon who reminded me that the documentation pages like have a drop-down at the top…

    The 'new_post' array is only for V5, but V4.x uses 'post_status' => 'draft' and some other goodies.

    If any of you with the problem are on V4.x then this may be helpful – it’s different sample code in the documentation 😉

  • Thanks! After struggling a few hours with this I think it would be a good idea if the Docs display the stable version by default.. I did not notice the dropdown 🙂

  • I’m getting the error too, and unfortunately, modifying the core plugin is the only fix.

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