PHP Form Tafinfinin - Tafinfinin E-mail da URL

Tirar wannan yankin shine tafinfinin tafinfinin name, email da URL.

PHP - Tafinfinin Sunan

Duba code na yakin wanda yake tafinfinin tafinfinin name da ba zai amsa ba. Idan name na yadda bai amsa ba, ana amfana da rahoto mai yadda:

$name = test_input($_POST["name"]);
if (!preg_match("/^[a-zA-Z ]*$/",$name)) {
  $nameErr = "Kainaki kafin da kuma nisa!"; 
}

Tashoshin:function preg_match() tace hanyar string, idan hanyar yana da hanyar, ana aiki da true, kuma idan yana da hanyar, ana aiki da false.

PHP - Tafinfinin E-mail

Duba code na yakin wanda yake tafinfinin tafinfinin email da ba zai amsa ba. Idan email na yadda bai amsa ba, ana amfana da rahoto mai yadda:

$email = test_input($_POST["email"]);
if (!preg_match("/([\w\-]+\@[\w\-]+\.[\w\-]+)/",$email)) {
  $emailErr = "Farin ciki na email na yadda bai amsa"; 
}

PHP - Tafinfinin URL

Duba code na yakin wanda yake tafinfinin tafinfinin URL da ba zai amsa ba, yana aiki da sabon regex (tana amincewa da slash a URL). Idan URL na yadda bai amsa ba, ana amfana da rahoto mai yadda:

$website = test_input($_POST["website"]);
if (!preg_match("/\b(?:(?:https?|ftp):\/\/|www\.)[-a-z0-9+&@#\/%?=~_|!:,.;]*[-a-z0-9+&@#\/%",
=~_|]/i,$website)) {
  $websiteErr = "URL na yadda bai amsa"; 
}

PHP - Tafinfinin Name, E-mail, da URL

Hari, scriptin shine kamar:

tarin

<?php
// ta'addanci yarabawa da kuma wucewa
$nameErr = $emailErr = $genderErr = $websiteErr = "";
$name = $email = $gender = $comment = $website = "";
if ($_SERVER["REQUEST_METHOD"] == "POST") {
  if (empty($_POST["name"])) {
    $nameErr = "Sunan zaiyana dake";
  }
    $name = test_input($_POST["name"]);
    // ceke tafinfinin sunan
    if (!preg_match("/^[a-zA-Z ]*$/",$name)) {
      $nameErr = "Kainaki kafin da kuma nisa"; 
    }
  }
  if (empty($_POST["email"])) {
    $emailErr = "Email zaiyana dake";
  }
    $email = test_input($_POST["email"]);
    // ceke tafinfinin email
    if (!preg_match("/([\w\-]+\@[\w\-]+\.[\w\-]+)/",$email)) {
      $emailErr = "Invalid email format"; 
    }
  }
  if (empty($_POST["website"])) {
    $website = "";
  }
    $website = test_input($_POST["website"]);
    // Check if the URL address language is valid (this regular expression also allows underscores in URLs)
    if (!preg_match("/\b(?:(?:https?|ftp):\/\/|www\.)[-a-z0-9+&@#\/%?=~_|!:,.;]*[-a-z0-9+&@#\/%",
    =~_|]/i,$website)) {
      $websiteErr = "Invalid URL"; 
    }
  }
  if (empty($_POST["comment"])) {
    $comment = "";
  }
    $comment = test_input($_POST["comment"]);
  }
  if (empty($_POST["gender"])) {
    $genderErr = "Gender is required";
  }
    $gender = test_input($_POST["gender"]);
  }
}
?>

Run Instance

Next, I will explain how to prevent the form from clearing all input fields after the user submits the form.