Basic PHP Tutorial--Learning Summary _php Tutorial

Basic PHP Tutorial-Learning Summary

One, PHP and forms

1.POST method to send data manually:

The two are partly different:

GET:

1. Send information together as part of a URL

2. Limited number of transfers

3. Public transmission, such as password information will be exposed

4. Create a form that can be added as a bookmark.

POST:

1. Delivery of information users cannot see

Usage examples:

HTML file: ws.html

   
 
  Test   

PHP File: handle.php

   
 
  Test

 
  $title =$_post[' title '; $name =$_post[' name ']; Print "
$title $name";? >  

Input: MyName

Result: Hello Mr myname

2.GET transmitting data

   
 
  Test 
 
  
  
 
  
   
   
"Handle.php?name=charles" >charles
 
  
  
   

PHP File: handle.php

   
 
  Test

 
  $name =$_get[' name '];p rint "
Hello $name ";? >

Second, the correlation function study

1. Format the values:

Round (the number to be formatted, the number of decimal places reserved);

eg: $test = 5.555555555; Round (test, 2); 5.55

Number_format (number, number of decimal places, symbol in place of decimal point, thousand separator)

Eg:number_format ("10000000", 2, ",", "."); /10.000.000,00

2. Random function rand ()

Eg:rand (0, 100);//Generate 0-100 random one number

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