php语法如何实现查询mysql并返回数组

如何利用php语法实现查询mysql并返回数组，下面web建站小编给大家简单介绍一下！

php语法链接mysql数据库

复制代码<?php
$servername = "localhost";
$username = "username";
$password = "password";
$dbname = "myDB";
 
// 创建连接
$conn = new mysqli($servername, $username, $password, $dbname);
 
// 检查连接是否成功
if ($conn->connect_error) {
  die("连接失败: " . $conn->connect_error);
} 
?>
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php语法查询mysql数据库返回数组

复制代码<?php
$sql = "SELECT * FROM `表`";
$result = $conn->query($sql);
 
if ($result->num_rows > 0) {
  // 将查询结果存储到数组中
  $data = array();
  while($row = $result->fetch_assoc()) {
    $data[] = $row;
  }
} else {
  echo "0 结果";
}

?>
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