How to Take Backup of Mysql Database using PHP Code

a_brands
a_brands_alger
a_products
a_products_alger
admin_login
alger
article
banner
banner2
bijoux
brand
brand2
brand3
brand5
brand_hanna
cart_item
client
commande
customer
customerembassy
demo
embassy
embassy_sample
fruit
hanna
inscription
ligne
like_table
livre
livredor
minichat
order_item
order_table
product
product1
product3
products
products1
products10
products2
products5
repertoire
review_table
salarie
site_session
site_user
table_news
table_user
tbl_alger
tbl_bijoux
tbl_clairval
tbl_customer
tbl_customer2
tbl_employee
tbl_employee2
tbl_form
tbl_huile
tbl_image
tbl_imageblob
tbl_images
tbl_montre
tbl_music
tbl_order
tbl_order_details
tbl_phone
tbl_posts
tbl_product
tbl_product2
tbl_product3
tbl_product33
tbl_products
tbl_sample
tbl_sample2
tbl_yatch
user_details
users
users2
utilisateur2
utilisateurs
yatch