yousrakasmi

I’m trying to get the values for one post but each post can have a multiple values of country, city, university, department, and year and when I leave some of them empty I get the error message

Warning: array_filter() expects parameter 1 to be array, string given
Warning: array_values() expects parameter 1 to be array, null given

in these lines (the empty column):
$line=array_filter($line[0]);
$line=array_values($line);

So I think that the problem is with the for loop because I’ve just declared one variable in parameters for($i=0;$i<count($co);$i++)

Can I replace this loop with another command to fill my table!

Many thanks linux4me2

Thank you linux4me2,

I think the problem is with the loop for($i=0;$i<count($ci);$i++) because I have 5 columns in my table

There is the full code to filled my table with the data

<table border="1">
<tr><th>Country</th><th>City</th><th>University</th><th>Department</th><th>Year</th></tr>
<?php
$co=get_post_meta(get_the_ID(), 'COUNTRY');
$co=array_filter($co[0]);
$ci=get_post_meta(get_the_ID(), 'CITY');
$ci=array_filter($ci[0]);
$un=get_post_meta(get_the_ID(), 'UNIVERSITY');
$un=array_filter($un[0]);
$de=get_post_meta(get_the_ID(), 'DEPARTMENT');
$de=array_filter($de[0]);
$ye=get_post_meta(get_the_ID(), 'YEARU');
$ye=array_filter($ye[0]);
$ci=array_values($ci);
$co=array_values($co);
$un=array_values($un);
$de=array_values($de);
$ye=array_values($ye);
for($i=0;$i<count($co);$i++)
{?>
<tr><td><?php echo load_by_id($co[$i],"country","country_id",$wpdb)->COUNTRY_NAME;?></td><td><?php echo
load_by_id($ci[$i],"city","city_id",$wpdb)->CITY_NAME?></td><td><?php echo load_by_id($un[$i],"university_attributes","pk_i_id",$wpdb)->s_name?></td><td><?php echo load_by_id($de[$i],"department_attributes","pk_i_id",$wpdb)->s_name?></td><td><?php echo $ye[$i];?></td></tr>
<?php }?>
</table>

Any help will be appreciated, many thanks

Thanks karpstrucking,

but I don’t know how can I use this function in my case!

Many thanks

Many thanks catacaustic,

Your suggestions have been very useful and now eveythign is working properly.

Thanks again.

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