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Php--isset () is used in PHP to detect if a variable is set

Source: Internet
Author: User
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005.html

1 <HTML>2 <Head>3 <title>005</title>4 <Scripttype= "Text/javascript"src= "Js/jquery.js"></Script>5 <style>6 * {7 margin:0;8 padding:0;9 }Ten </style> One </Head> A <Body> -     <formAction= "005b.php"Method= "POST"> -User Login<BR/> theUser name:<inputtype= "text"name= "Uname"/><BR/> -Password<inputtype= "Password"name= "Upwd"/><BR/> -         <inputtype= "Submit"value= "Submit"/> -         <inputtype= "Reset"value= "Reset"/> +     </form> - </Body> + </HTML> A  at <Scripttype= "Text/javascript"> - </Script>

005b.php

1<?PHP2 /*3 * Isset () is used in PHP to detect if a variable is set, and the function returns a Boolean-type value, that is, True/false. 4  */5 6 if(isset($_post)) {7     if($_post["uname"] = = "Admin" &&$_post["upwd"] = = "Admin") {8         Echo"User logon succeeded";9}Else{Ten         Echo"User logon Failed"; One     } A}

Php--isset () is used in PHP to detect if a variable is set

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Related Keywords:
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