Php 在函数外部使用查询值
我需要在函数外使用一个“question”变量:Php 在函数外部使用查询值,php,variables,pdo,Php,Variables,Pdo,我需要在函数外使用一个“question”变量: public function name(){ if($_SESSION[agT] == "random" AND $_SESSION[ct]=="random"){ $consult = DB::getConn()->prepare('SELECT * FROM table ORDER BY RAND() LIMIT 1'); $consult->execute(); $question=$cons
public function name(){
if($_SESSION[agT] == "random" AND $_SESSION[ct]=="random"){
$consult = DB::getConn()->prepare('SELECT * FROM table ORDER BY RAND() LIMIT 1');
$consult->execute();
$question=$consult->fetch(PDO::FETCH_ASSOC);
}
像
做
返回$question
然后调用这个函数
$val=name()代码>正如其他人所说,您应该学习过程函数和编程的基础知识。您只需从函数返回查询值:
public function_name(){
if($_SESSION[agT] == "random" AND $_SESSION[ct]=="random"){
$consult = DB::getConn()->prepare('SELECT * FROM table ORDER BY RAND() LIMIT 1');
$consult->execute();
$question=$consult->fetch(PDO::FETCH_ASSOC);
return $question
}
$result = function_name();
echo $question['col1'];
echo $question['col2'];
是时候学习基本的编程技术了。
public function_name(){
if($_SESSION[agT] == "random" AND $_SESSION[ct]=="random"){
$consult = DB::getConn()->prepare('SELECT * FROM table ORDER BY RAND() LIMIT 1');
$consult->execute();
$question=$consult->fetch(PDO::FETCH_ASSOC);
return $question
}
$result = function_name();
echo $question['col1'];
echo $question['col2'];