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並前往https://wordpress.stackexchange.com/questions/382895/hide-a-div-if-the-fiels-is-empty

Hide a div if the fiels is empty - WordPress Stack Exchange

Try: $postintro2 = get_post_meta ($post->ID, 'postintro2', true); if ( ! empty( $postintro2 ) ) { echo '<div class="single2-intro">'.

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