ping()
PHP mysqli ping() funksiyasi
Misol - obyektga yo‘naltirilgan uslub
Server ulanishiga ping yuboring:
<?php
$mysqli = new mysqli("localhost","my_user","my_password","my_db");
// Check connection
if ($mysqli -> connect_errno) {
echo "Failed to connect to MySQL: " . $mysqli -> connect_error;
exit();
}
// Check if server is alive
if ($mysqli -> ping()) {
echo "Connection is ok!";
} else {
echo "Error: ". $mysqli -> error;
}
$mysqli -> close();
?>
Protsedural uslubdagi misolni sahifa pastida ko‘ring.
Ta’rif va qo‘llanilishi
ping() / mysqli_ping() funksiyasi server ishlayotganini tekshirish uchun server ulanishiga ping yuboradi. Agar ulanish uzilib qolgan bo‘lsa, u qayta ulanishga ham harakat qiladi.
Sintaksis
Obyektga yo‘naltirilgan uslub:
$mysqli -> ping()
Protsedurali uslub:
mysqli_ping(connection)
Parametr qiymatlari
| Parametr | Tavsif |
|---|---|
| connection | Majburiy. Foydalaniladigan MySQL ulanishini belgilaydi |
Texnik tafsilotlar
| Qaytariladigan qiymat: | Muvaffaqiyatli bo‘lsa TRUE. Muvaffaqiyatsiz bo‘lsa FALSE |
|---|---|
| PHP versiyasi: | 5+ |
Misol - protsedural uslub
Server ulanishiga ping yuboring:
<?php
$con=mysqli_connect("localhost","my_user","my_password","my_db");
// Check connection
if (mysqli_connect_errno()) {
echo "Failed to connect to MySQL: " . mysqli_connect_error();
exit();
}
// Check if server is alive
if (mysqli_ping($con)) {
echo "Connection is ok!";
} else {
echo "Error: ". mysqli_error($con);
}
mysqli_close($con);
?>
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