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A function call to _x() with texts containing placeholders was found, but was not accompanied by a "translators:" comment on the line above to clarify the meaning of the placeholders.

Unescaped parameter $from_post->ID used in $wpdb->get_results("SELECT meta_key, meta_value FROM $wpdb->postmeta WHERE post_id=$from_post->ID")\n$from_post->ID used without escaping.

Unescaped parameter $sql_query used in $wpdb->query($sql_query)\n$sql_query assigned unsafely at line 181:\n $sql_query.= implode(" UNION ALL ", $sql_query_sel)\n$sql_query_sel assigned unsafely at line 179:\n $sql_query_sel[]= "SELECT $to_post->ID, '$meta_key', '$meta_value'"\n$to_post->ID used without escaping.\n$meta_key assigned unsafely at line 177:\n $meta_key = $meta_info->meta_key\nNote: addslashes() is not a safe escaping function.\n$meta_value assigned unsafely at line 178:\n $meta_value = addslashes( $meta_info->meta_value )\n$meta_info->meta_key used without escaping.\n$meta_info->meta_value used without escaping.

Use placeholders and $wpdb->prepare(); found $sql_query

A function call to _x() with texts containing placeholders was found, but was not accompanied by a "translators:" comment on the line above to clarify the meaning of the placeholders.

A function call to _x() with texts containing placeholders was found, but was not accompanied by a "translators:" comment on the line above to clarify the meaning of the placeholders.

A function call to _x() with texts containing placeholders was found, but was not accompanied by a "translators:" comment on the line above to clarify the meaning of the placeholders.

A function call to _x() with texts containing placeholders was found, but was not accompanied by a "translators:" comment on the line above to clarify the meaning of the placeholders.

A function call to _x() with texts containing placeholders was found, but was not accompanied by a "translators:" comment on the line above to clarify the meaning of the placeholders.

All output should be run through an escaping function (see the Security sections in the WordPress Developer Handbooks), found 'get_permalink'.