[Resolved] Conditional Display of Content, Condition not equal but contains

[Author]

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[bjoernH]

Tell us what you are trying to do?
Still struggling with the usage of the wpv_contains function. I managed to add the function to my frontend, so it will be read in the view. In debug mode I can see, that the function always delivers "false", whether the condition is met or not.

Is there any documentation that you are following?

Is there a similar example that we can see?
https://toolset.com/forums/topic/display-field-if-it-contains-a-given-string/
https://toolset.com/forums/topic/conditional-display-wpv_contains/

What is the link to your site?
still-ikam.info/sitesmap

[bjoernH]

That's my condition:

  [wpv-conditional if="( wpv_contains('[types field='site-users' output='raw'][/types]','[wpv-current-user info='login']') )" evaluate="false" debug ="true"]

       [wpv-map-marker map_id='map-4' marker_id='marker-6' marker_title='[wpv-post-title]' marker_icon='//still-ikam.info/wp-content/plugins/toolset-maps/resources/images/markers/Buildings.png' marker_field='wpcf-address'][wpv-post-link][/wpv-map-marker] 

  [/wpv-conditional]
 

If the condition is met, a map marker is supposed to be shown. At the moment, a marker is always shown, regardless of the condition being met or net.

[bjoernH]

Oh, and I have added the function to the frontend functions. It looks like this:

<?php
function wpv_contains($haystack, $needle)
{
  $pos = strpos($haystack, $needle);
  if($pos !== true){
    return false;
  }
}

[Shane]

Hi Bjoern,

Lets try converting the function to as shortcode and see if it helps.

Please try this shortcode alone without adding to the conditional as yet and let me know what it returns.

// Add Shortcode
function wpv_contains( $atts ) {

	// Attributes
	$atts = shortcode_atts(
		array(
			'haystack' => '',
			'needle' => '',
		),
		$atts
	);

	
	 
	  $pos = strpos($atts['haystack'], $atts['needle']);
	  if($pos !== true){
	    return false;
	  }
	

}
add_shortcode( 'wpv_contains', 'wpv_contains' );

[wpv_contains haystack='my-val' needle='my-val']

Thanks,
Shane

[bjoernH]

Thanks, Shane, a good idea.
The result for me looks almost the same, though. I have integrated the shortcode in my conditional like so:

    [wpv-conditional if="( '[wpv_contains haystack='[types field='site-users' output='raw'][/types]' needle='[wpv-current-user info='login']']' eq 'false' )"]
      test
[/wpv-conditional]

      [wpv-conditional if="( '[wpv_contains haystack='[types field='site-users' output='raw'][/types]' needle='[wpv-current-user info='login']']' ne 'false' )"]
      test123
[/wpv-conditional]

I get the result test123 in my complete array:
test123
test123
test123
...

[bjoernH]

After some more testing, I believe that the term "false" is never submitted, no matter whether a condition is met or not. But I cannot seem to find out, what exactly the shortcode delivers.
This condition works:

  [wpv-conditional if="( '[wpv_contains haystack='testing' needle='test']' ne 'false' )"]
     test output[/wpv-conditional]

I am really not sure how to solve this. Normally, it seems like an easy PHP function to me. But it simply does not work.

[Shane]

Hi Bjoern,

Would you mind allowing me to have access to this site as well as the page where the testing is being done ?

Thanks,
Shane

[Shane]

Hi Bjoern,

Is it that you want to display something if the string being tested is not in the haystack ?

As i've fixed the logic of the code.

So if a string is in not in the haystack then your function will return nothing. If it is then it will return true which evaluates to a 1.

Please let me know if this helps.

Thanks,
Shane

[bjoernH]

My issue is resolved now. Thank you! The problem was that the result from the function wpv_contains does not carry true or false but 0 or 1. That was the problem with my view. Thanks to Shane for helping me find a solution!

[benjaminJ-3]

For anyone trying to work with this strpos() will never return TRUE so the issue with this code is "$pos !== true" which will never happen. You need to use "$pos == false" for this to work as it will only return nothing for true and false for FALSE.