/PHP/Php pdo check if record exists before insert

Php pdo check if record exists before insert

$sql = $dbh->prepare("SELECT COUNT(*) AS `total` FROM directory WHERE telephone = :phone");
$sql->execute(array(':phone' => $telephone));
$result = $sql->fetchObject();

if ($result->total > 0) 
{
    echo 'The telephone number: ' . $telephone. ' is already in the database<br />';
}
else 
{
      echo 'No rows matched the query.';
}

Source: stackoverflow.com

Php pdo check if record exists before insert

ALTER TABLE `requests` ADD UNIQUE `imdbid_unique`(`imdbid`);

Source: stackoverflow.com

Pdo insert or update if exists

REPLACE INTO ***** SET name = ?, slideView = ?, company = ?

Source: stackoverflow.com

Similar codes

-75 votes101 views10 answers
Code
PHP
1 vote101 views1 answer
How to define variable as object in blade laravel
PHP
0 vote57 views1 answer
Install shopware
PHP
2 votes110 views1 answer
Livewire not working
PHP
21 votes116 views2 answers
Long text in laravel migration
PHP Laravel
0 vote102 views1 answer
Root composer.json requires PHP extension ext-gmp * but it is missing from your system. Install or enable PHP's gmp extension.
PHP
1 vote111 views1 answer
Boolean value switch/invert
PHP
0 vote112 views1 answer
Script to create AdminLTE in a Laravel project
PHP
13 votes89 views6 answers
Php array_diff
PHP
0 vote97 views1 answer
Php loop through array shorthand
PHP