Bash script to dump a WordPress database, pulling settings from wp-config.php

#!/bin/bash

CONFIG=`find . -name wp-config.php -maxdepth 2 | head -n 1`

if [ ! -f $CONFIG ]; then
    echo "Could not find wp-config in this folder or one folder deep."
    exit 3
fi

DB_NAME=`echo "<?php include '${CONFIG}'; echo DB_NAME;" | php`
DB_USER=`echo "<?php include '${CONFIG}'; echo DB_USER;" | php`
DB_PASS=`echo "<?php include '${CONFIG}'; echo DB_PASSWORD;" | php`
DB_HOST=`echo "<?php include '${CONFIG}'; echo DB_HOST;" | php`

DUMP_PATH=db.sql
## Alternate name with database name and date:
#DUMP_PATH=${DB_NAME}-$(date +%Y%m%d).sql

echo -n "Dumping database to ${DUMP_PATH}... "

mysqldump --user=${DB_USER} --password=${DB_PASS} --host=${DB_HOST} \
 --databases ${DB_NAME} \
 > ${DUMP_PATH}

if [ "$?" -ne "0" ]; then
    echo "DB dump failed."
    exit 1
fi
echo "Done"

exit $?