Php/func mysqli fetch row

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PHP mysqli fetch_row()函数

MySQL PHP MySQLi参考

示例-面向对象的样式

从结果集中获取行:

<?php

$mysqli = new mysqli("localhost","my_user","my_password","my_db");


if ($mysqli -> connect_errno) {

  echo "Failed to connect to MySQL: " . 
  $mysqli -> connect_error;
  
  exit();

  }

$sql = "SELECT Lastname, Age FROM Persons ORDER BY Lastname";


if ($result = $mysqli -> query($sql)) {
  while ($row = $result -> fetch_row()) {
    printf ("%s (%s)\n", $row[0], $row[1]);
  }
  $result 
  -> free_result();
}


$mysqli -> close();
?>



在底部查看程序样式的示例。

定义和用法

fetch_row()/ mysqli_fetch_row()函数从结果集中获取一行,并将其作为枚举数组返回。

句法

面向对象的样式:

$mysqli_result -> fetch_row()

程序风格:

mysqli_fetch_row(result)

参数值

参数 描述
result 需要。指定mysqli_query(),mysqli_store_result()或mysqli_use_result()返回的结果集标识符

技术细节

返回值: 返回与获取的行相对应的字符串数组。如果结果集中没有更多行,则为NULL
PHP版本: 5+

示例-程序风格

从结果集中获取行:

<?php

$con = mysqli_connect("localhost","my_user","my_password","my_db");


if (mysqli_connect_errno()) {

  echo "Failed to connect to MySQL: " . mysqli_connect_error();
  
  exit();

  }

$sql = "SELECT Lastname, Age FROM Persons ORDER BY Lastname";


if ($result = mysqli_query($con, $sql)) {
  // Fetch one and one row
  while ($row = mysqli_fetch_row($result)) {
    printf ("%s (%s)\n", $row[0], $row[1]);
  }
  mysqli_free_result($result);
}


mysqli_close($con);

?>



MySQL PHP MySQLi参考