corecodeschool.blogspot.com

Saturday, 23 April 2016

String function in php

echo

<?php
echo " A value is ";
$a=4;
echo $a;
?>

chr

<?php
echo chr(65);
echo "<br/>";
echo chr(122);
?>

strlen

<?php
$pwd="abc@123";
if(strlen($pwd)<6)
{
echo "password to short";
}
?>

ord

<?php
echo ord(' ');
echo "<br/>";
echo ord('z');
?>

print

<?php
print " A value is ";
$a=4;
print $a;
?>

strtoupper

<?php
echo strtoupper('hello');
echo "<br/>";
echo strtoupper('world');
?>

strtolower

<?php
echo strtolower('HEllo');
echo "<br/>";
echo strtolower('WORLD');
?>

substr

<?php
$a="harsukh k k";
$b=strlen($a);
for($i=0;$i<=9;$i++){
$j=substr($a,$i,1);
$d=ord($j);
echo $d;
echo"<br />";
echo $j;
}

?>

chop

<?php
$str = "Hello World!";
echo $str . "<br>";
echo chop($str,"World!");
?>

join

<?php
$arr = array('Hello','World!','Beautiful','Day!');
echo join(" ",$arr);
?>

parse_str

<?php
parse_str("name=Peter&age=43");
echo $name."<br>";
echo $age;
?>

How to create pagging system using php

view_pagging.php

<?php

$link=mysql_connect("localhost","root","");

mysql_select_db("product",$link);

$page_q="select * from mobile";

$page_res=mysql_query($page_q,$link);

$item=3;
$total_record=mysql_num_rows($page_res);
$total_page=ceil($total_record/$item);
$cur_page=(isset($_GET['page']))?$_GET['page']:1;
?>
<html>
<body>
<table border="1" width="50%" align="center">
<tr>
<th>No</th>
<th>Name</th>
</tr>

<?php

$k=($cur_page-1)*$item;

$q="select * from mobile LIMIT $k,$item";

$res=mysql_query($q,$link);

while($row=mysql_fetch_array($res))
{
echo '<tr align="center">
<td>'.$row['id'].'
<td>'.$row['nm'].'
</tr>';
}
?>
</table>

<center>
<?php
if($cur_page>1)
{
echo '<a href="view_pagging.php?page='.($cur_page-1).'">Previous </a>';
}
else
{
echo 'Previous';
}

for($i=1;$i<=$total_page;$i++)
{
echo '<a href="view_pagging.php?page='.$i.'">'.$i.'</a> ';
}

if($cur_page<$total_page)
{
echo '<a href="view_pagging.php?page='.($cur_page+1).'">Next</a>';
}
else{
echo 'Next';
}
?>
</center>
</body>
</html>

How to create login logout system using php

login.php

<html>
<head>
</head>

<body>
<form action="login_pro.php" method="post">
username<br />
<input type="text" name="unm">
<br />
<br />
password<br />
<input type="password" name="pwd">
<br />
<br />
<input type="submit" value="login">
</form>
</body>
</html>

login_pro.php

<?php session_start();
if (empty($_REQUEST['unm']) || empty($_REQUEST['pwd']))
{
echo "pleace enter username and password";
}
else
{
$link=mysql_connect("localhost","root","");
mysql_select_db("login",$link);
$unm=$_REQUEST['unm'];
$pwd=$_REQUEST['pwd'];

$q="select * from registration where unm='$unm' and pwd='$pwd'";

$res=mysql_query($q,$link)or die($row);
$row=mysql_fetch_array($res);

if(empty($row))
{
echo"wrong username or password";
}
else
{
$_SESSION['unm']=$row['unm'];
$_SESSION['status']=true;
header("location:index1.php");
}
}
?>

index1.php

<?php session_start();
if(isset($_SESSION['status']))
{
echo 'hello:'.$_SESSION['unm'];
echo '<a href="logout.php">Logout</a>';
}
else
{
header("location:logout.php");
}
?>

logout.php

<?php session_start();
session_destroy();

header("location:login.php");
?>

How to insert,delete and select data from database using php

insert.php

<html>
<body>
<form action="insert_pro.php" method="post">
Name :<br />
<input type="text" name="nm" />
<br /><br />

Salary :<br />
<input type="text" name="sal" />
<br /><br />

<input type="submit" value="Insert">
</form>
</body>
</html>

insert_pro.php

<?php
$nm=$_POST['nm'];
$sal=$_POST['sal'];

$link=mysql_connect("localhost","root","") or die("can't connect");

mysql_select_db("employee",$link) or die("Wrong Database");

$q="insert into emp
(nm,salary)
values('$nm',$sal)";

mysql_query($q,$link) or die($q);

header("location:view.php");
?>

view.php

<html>
<body>
<table border="1" width="50%" align="center">
<tr>
<th>No</th>
<th>Name</th>
<th>Salary</th>
<th>Delete</th>
</tr>

<?php

$link=mysql_connect("localhost","root","");

mysql_select_db("employee",$link);

$q="select * from emp";

$res=mysql_query($q,$link);

while($row=mysql_fetch_array($res))
{
echo '<tr align="center">';
echo '<td>'.$row['id'].'</td>';
echo '<td>'.$row['nm'].'</td>';
echo '<td>'.$row['salary'].'</td>';
echo '<td><a href="delete_pro.php?no='.$row['id'].'">X</a></td>';
echo '</tr>';
}
?>
</table>
</body>
</html>

delete_pro.php

<?php
$id=$_GET['no'];

$link=mysql_connect("localhost","root","");

mysql_select_db("employee",$link);

$q="delete from emp where id=$id";

mysql_query($q,$link);

header("location:view.php");
?>

how to only image upload in database using php

form.php

<html>
<body>
<form action="form_pro.php"method="post"enctype="multipart/form-data">
<h1>Image:</h1>
<input type="file"name="img"/>
<br/><br/>
<input type="submit"value="upload"/>
</form>
</body>
</html>

form_pro.php

<?php
if(empty($_FILES['img']['name']))
{
echo "Please select image";
}
else
{
$ext=strtolower(substr($_FILES['img']['name'],-4));
if(!($ext==".jpg" || $ext=="jpeg" || $ext==".png" || $ext==".gif"))
{
echo "Wrong File";
}
else

{
$fname=time().$_FILES['img']['name'];
$fname=str_replace(" ","_",$fname);
move_uploaded_file($_FILES['img']['tmp_name'],"cbr/".$_FILES['img']['name']);
{
echo "Image Selected";
}
}
}
?>

captcha code with background image

captcha.php

<?php
$a="abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789";
$str="";

for($i=1;$i<=6;$i++)
{
$str=$str.substr($a,rand(0,strlen($a)-1),1);
}

$img=imagecreate(200,100);
imagecolorallocate($img,200,100,100);
imagettftext($img,20,0,20,70,8,"RAVIE.TTF",$str);
header("content-type:image/jpeg");
imagejpeg($img);
?>

How to upload image and image name in database using php

form.php

<?php session_start(); ?>

<form action="form_pro.php" method="post" enctype="multipart/form-data" style="font-size:10px;">
<?php
if (isset($_SESSION['o_e']['iname']))
{
echo '<span class="alert alert-danger">'.$_SESSION['o_e']['iname'].'</span>';
}
if (isset($_SESSION['o_e']['req']))
{
echo '<span class="alert alert-danger">'.$_SESSION['o_e']['req'].'</span>';
}
if (isset($_SESSION['o_e']['wro']))
{
echo '<span class="alert alert-danger">'.$_SESSION['o_e']['wro'].'</span>';
}
if (isset($_SESSION['o_e']['up']))
{
echo '<span class="alert alert-success">'.$_SESSION['o_e']['up'].'</span>';
}
unset($_SESSION['o_e']);
?>
<input type="file" name="o_img" class="form-control">
<br/>
<input type="text" name="i_nm" class="form-control" placeholder="Enter Image Name"/>
<br/>

<input type="submit" value=" Upload " class="btn btn-success">
</form>

form_pro.php

<?php session_start();

$_SESSION['o_e']=array();
extract($_POST);
if (empty($_POST['i_nm']))
{
$_SESSION['o_e']['iname']="Enter Image Name";
header('location:form_pro.php');
}

if (!empty($_SESSION['o_e']))
{
header('location:form_pro.php');
}
else
{
if (empty($_FILES['o_img']['name']))
{
$_SESSION['o_e']['req']="First Fill all Details";
header('location:form_pro.php');
}
else
{
$ext=strtolower(substr($_FILES['o_img']['name'],-4));
if(!($ext==".jpg" || $ext==".jpe" || $ext=="jpeg" || $ext==".png" || $ext==".bmp" || $ext==".gif"))
{
$_SESSION['o_e']['wro']="Wrong File Selected";
header('location:form_pro.php');
}
else
{
$iname=time().$_FILES['o_img']['name'];
$iname=str_replace(" ","_", $iname);
move_uploaded_file($_FILES['o_img']['tmp_name'],"image/gallary/".$iname);

extract($_POST);

$link=mysql_connect('localhost','root','');

mysql_select_db('song_admin',$link);

$query="insert into header_image
(iname,i_nm)
values
('$iname','$i_nm')";

mysql_query($query,$link);

$_SESSION['o_e']['up']="Image is Uploading";

header('location:form_pro.php');
}
}
}

?>

Thursday, 31 March 2016

How to check number prime or not in java

primeno.java

class primeno
{
public static void main(String args[])
{
int no=17,flag=0;
int m=no/2;

for(int i=2;i<=m;i++)
{
if(no%i==0)
{
System.out.println("This Number is not Prime");
flag=1;
break;
}

}
if(flag==0)
{
System.out.println("This number is Prime");
}
}
}

Tuesday, 29 March 2016

How to drag and drop between two textbox

twobox.html

<html>
<head>
<title>Drag And Drop between two textbox</title>
<script type="text/javascript">
function handleDragDropEvent(oEvent) {
var oTextbox = document.getElementById("txtara");
oTextbox.value =oTextbox.value + oEvent.type + "\n";
}
</script>
</head>
<body>
<P>Dragging the text from the left textbox to the right textbox.</p>
<P>
<input type="text" value="drag this text"/>
<input type="text"
ondragenter="handleDragDropEvent(event)"
ondragover="handleDragDropEvent(event)"
/>
</p>
<P><textarea rows="12" cols="23" readonly="readonly" id="txtara"></textarea></p>
</body>
</html>

How to show drag and drop event in textarea using event.type in javascript

dragdrop1.html

<html>
<head>
<title>Show Event Drag And Drop</title>
<script type="text/javascript">
function handleDragDropEvent(oEvent)
{
var oTextbox = document.getElementById("txtara");
oTextbox.value = oTextbox.value + oEvent.type + "\n";
}
</script>
</head>
<body>
<P>This is a text</p>
<input type="text"
ondragenter="handleDragDropEvent(event)"
ondragover="handleDragDropEvent(event)"
/></p>

<P><textarea rows="12" cols="23" id="txtara"></textarea></p>
</body>
</html>

Monday, 7 March 2016

How to download direct any file using php code

download.php

<?php

$getfile="https://www.demo.com/bollywood/videos/2.mp4";

header('Content-Type: application/octet-stream');
header('Content-Disposition: attachment; filename='.$getfile);
header('Content-Transfer-Encoding: binary');

$file = @ fopen($getfile, 'rb') or die("Techincal Error");

fpassthru($file);

?>

Friday, 4 March 2016

How to create a clock window using moveBy in JavaScript

clock.html

<html>
<head><title> MoveBy</title>
</head>
<script>
var x=0;
var y=0;
function openwin()
{
mywin=window.open("","","width=50,height=50");
}
function closewin()
{
if(mywin)
{
mywin.close();
}
}

function movebywin()
{
if(x<600 && y==0)
{
x=x+200;
if(x==600)
{
y=y+100;
}
}
else if(x==600 && y<=300)
{
y=y+100;
if(y==300)
{
x=x-200;
}
}
else if( x<=600 && y==300)
{
x=x-200;
if(x==0)
{
y=y-100;
}
}
else if(x==0 && y<=300)
{
y=y-100;
if(y==0)
{
x=x+200;
}
}
mywin.moveTo(x,y);
mywin.focus();
}
</script>
<body>
<input type="button" value="Open window" onclick="openwin()">
<input type="button" value="Move" onclick="movebywin()">
<input type="button" value="Close" onclick="closewin()">
</body>
</html>

How to create window clock using move in JavaScript

clock.html

<html>
<head><title> MoveBy</title>
</head>
<script>
var x=0;
var y=0;
function openwin()
{
mywin=window.open("","","width=10,height=10");
}
function closewin()
{
if(mywin)
{
mywin.close();
}
}

function movebywin()
{
if(x<600 && y==0)
{
x=x+200;
if(x==600)
{
y=y+100;
}
}
else if(x==600 && y<=300)
{
y=y+100;
if(y==300)
{
x=x-200;
}
}
else if( x<=600 && y==300)
{
x=x-200;
if(x==0)
{
y=y-100;
}
}
else if(x==0 && y<=300)
{
y=y-100;
if(y==0)
{
x=x+200;
}
}
mywin.moveTo(x,y);
mywin.focus();
}
</script>
<body>
<input type="button" value="Open window" onclick="openwin()">
<input type="button" value="Move" onclick="movebywin()">
<input type="button" value="Close" onclick="closewin()">
</body>
</html>

Thursday, 25 February 2016

How to create clock wise window screen in javascript

Tuesday, 23 February 2016

How to create JavaScript simple program

1.html

var num=3;

switch (num)

{

case 1: alert("One");

break;

case 2: alert("Two");

break;

case 3: alert("Three");

break;

case 4: alert("Four");

break;

case 5: alert("Five");

break;

default: alert("Select 1 to 5 Number");

}

</script>

Array

=>Def : Array is a collection of data
1. length

<script>
var cars = ["Saab", "Volvo", "BMW"];
cars.length;
</script>

2.Element

<div id="ele"> </div>

<script>
var bike=["R15","Shine","Honda","Bajaj"];
document.getElementById("ele").innerHTML=bike;
</script>

Method : 1.push()
2.pop()
3.shift()
4.unshift()
5.concat()
3.join()

Properties : 1.length()
2.prototype()
3.constructor()

=> Array in array

var demo = new array();

demo[0] = new array();

demo[0][0]='A0';

demo[0][1]='B0';

demo[0][2]='C0';

demo[1] = new array();

demo[1][0]='A1';

demo[1][1]='B1';

demo[1][2]='C1';

demo[2] = new array();

demo[2][0]='A2';

demo[2][1]='B2';

demo[2][2]='C2';

document.write("A : "+demo[0][0]+"<br/>");

document.write("B : "+demo[0][1]+"<br/>");

</script>

Friday, 19 February 2016

How to create a simple form in html

form.html

<form action="form.html" method="post" enctype="multipart-form">
<input type="file" name="logo" required>
<br/><br/>
<input type="text" name="fnm" placeholder="Enter First Name" required>
<br/><br/>
<input type="text" name="lnm" placeholder="Enter Last Name" required>
<br/><br/>
<input type="text" name="unm" placeholder="Enter User Name" required>
<br/><br/>
<input type="email" name="email" placeholder="Enter Email-Id" required>
<br/><br/>
<input type="password" name="pwd" placeholder="Enter Password" required>
<br/><br/>
<input type="password" name="rpwd" placeholder="Enter Re-Password" required>
<br/><br/>

<input type="submit" value="Submit">
</form>

Monday, 15 February 2016

Select Query in php

How to compare your email and pwd with your database in login table

- select * from login where email="$email" and pwd="$pwd"

- select email,pwd from login where email="$email" and pwd="$pwd"

2. How to select table in column

- select * from table_name

- select col1,col2 from table_name

3. How to used select query with order by,limit and ascending order

- select * from table1 order by 'table1','col1' ASC

- select * from table1 order by 'table1','col1' DESC

- select * from table1 order by 'table1','col1' ASC LIMIT 0,30

How to create a Captcha code in php

ex1.php

<?php

$a = "abcdefghijklmnopqrstuvwxyz0123456789 ABCDEFGHIJKLMNOPQRSTUVWXYZ";

$str = " ";

for ($i=1; $i <=6 ; $i++)

{

$str = $str.substr($a, rand(0,strlen($a)-1),1);

}

echo $str;

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Saturday, 23 April 2016

String function in php

How to create pagging system using php

How to create login logout system using php

How to insert,delete and select data from database using php

How to play video using html tag

How to play song using html tag

how to only image upload in database using php

captcha code with background image

How to upload image and image name in database using php

Thursday, 31 March 2016

How to check number prime or not in java

Tuesday, 29 March 2016

How to drag and drop between two textbox

How to show drag and drop event in textarea using event.type in javascript

Monday, 7 March 2016

How to download direct any file using php code

Friday, 4 March 2016

How to create a clock window using moveBy in JavaScript

How to create window clock using move in JavaScript

Thursday, 25 February 2016

How to create clock wise window screen in javascript

Tuesday, 23 February 2016

How to create JavaScript simple program

Friday, 19 February 2016

How to create a simple form in html

Monday, 15 February 2016

Select Query in php

How to create a Captcha code in php

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