Support » Developing with WordPress » custom fields erros when no value available

  • I’ve set up posts to have several relevant custom fields.
    each post may use a few or all of the fields that i’ve set up. however when a post has no need for some of the fields and i have not used them, i can see an error message appear for that particular line on the page.

    i have added a conditional statement for each but the error message seems to still prevail.

    the code looks something like this

    									if (empty ($custom_fields) )
    											echo "";
    											$custom_fields = get_post_custom();
    											$Track1 = $custom_fields['Track13'];
    											foreach ( $Track13 as $key => $value )
    											echo  $value . "<br />";

    and the error i get is like this relating to the foreach

    Warning: Invalid argument supplied for foreach() in /content/BusinessHostPlus/b/u/ on line 260

    any idea what i’m doing wrong?

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