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I wish to use a function which is run only when a specific custom field is available.

Something like:

if (custom_field_x_exists("name_of_the_custom_field")) :
                       <Do some things>;

How might it be done?

share|improve this question
up vote 1 down vote accepted

I think this should help

if ( get_post_meta( $post->ID, 'name_of_the_custom_field', true ) ) :
    // Do something
share|improve this answer
Works great, thank you. – Tal Galili Aug 22 '11 at 9:00
You're very welcome – Mamaduka Aug 22 '11 at 9:05

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