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joehoyle/gist:6318295

Created August 23, 2013 11:28
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gistfile1.txt
$value = sanitize_text_field( $_POST['value'] );
$id = (int) $_POST['id'];
$list_id = 1;
$meta = get_post_meta( $list_id, 'item' );
$old_value = $meta[$id];
update_post_meta( $lit_id, 'item', $value, $old_value );
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