corecodeschool.blogspot.com: April 2016

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');
}
}
}

?>

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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

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