Special loop keyword

How to use special loop keyword :- continue and break

There are two special keyword available for looping

1. Continue 

2. Break

Continue :- Continue keyword is used to continue the block of code while condition is false following example explain the concept of continue and break keyword.

<?php
for ($i = 1; $i < 10; $i++)
{
if ($i == 5)
{
echo("Loop continued at $i<BR>");
continue;
}
if ($i == 8)
{
echo("Loop terminated at $i<BR>");
break;
}
echo("Number $i<BR>");
}
?>



Break:- Break keyword is used for unconditional jump, above example explain the concept of break keyword.



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how to embed php into html

How to embed PHP into html

<html>
<head>
<title>html embeded code</title>
</head>
<?php
echo "welcome to the php";
echo "<br />";
echo "Html and php script embed<hr>";
echo "<b>"."hello friends"."<b>";
?>
<body>
</body>
</html>

Explanation

You can put your PHP script anywhere in our html code. Above example explain the following concept.

Another example of php into the html

<html>

<head>

<title>

<?php

echo "Title of your page";

 ?>

</title>

</head>

<body>

<?php

echo "welcome to the php";

echo "<br />";

echo "Html and php script embed<hr>";

echo "<b>"."hello friends"."<b>";

?>

</body>

<?php

echo "web come to php" ?>

</html>

explaination

Note :You can put php script any number of times in your html page like that.

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Changing image using php random function

Random function in image

In this code simpl use of random function and switch case.First of all random function call in switch case and pass the initial and final value of case such as no of cases =16( 1 to 16 ) then first orgument is 1 and second orgument is 16 and seprated by comma.Then starting a switch case curly braces  and then start the first case,make a variable which store the the image same as all cases and assign the image and then use break keyword (break is used for stop a particular case ,if you don't use break all the case excuted and all the values ).Lastly print the variable which store the image using html img embed tag.

Check this code in your browser .
<?php

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echo "Making by umar farooque khan";
switch(rand(1,16))
{
   case 1:
$greet ="1.jpg";
break;
   case 2:
$greet ="2.jpg";
break;
   case 3:
$greet ="3.jpg";
break;
   case 4:
$greet ="4.jpg";
break;
case 5:
$greet ="a(1).jpg";
break;
   case 6:
$greet ="a(2).jpg";
break;
   case 7:
$greet ="a(3).jpg";
break;
   case 8:
$greet ="a(4).jpg";
break;


case 9:
$greet ="a(5).jpg";
break;
   case 10:
$greet ="a(6).jpg";
break;
   case 11:
$greet ="a(7).jpg";
break;
   case 12:
$greet ="a(8).jpg";
break;


case 13:
$greet ="a(9).jpg";
break;
   case 14:
$greet ="a(10).jpg";
break;
   case 15:
$greet ="a(11).jpg";
break;
   case 16:
$greet ="a(12).jpg";
break;

}
echo"<img src='$greet' height='900px' width='1200px'>";
?>



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Upload File Using Php

Making Upload File Script Using Php html and java script with validation

<pre><!DOCTYPE html>

<head>

</head>

<body></pre>  //use pre tag to not show these tags in server

<center>

< form action = " upload.php" method = " post " enctype = " multipart / form-data " 

name = " upload  " >

  < table width =" 200 " border = " 2 " cellspacing = " 2 " cellpadding = " 2 " >

    < tr >

      < td > Upload a file< /td >

      < td > < input name = " file " type = " file "  / > < / td >

    < / tr >

    < tr >

      < td colspan = " 2 " > < center >

          < input name = " sub " type = " submit " value = " upload " />

        < / center >< / td >

    </tr>

  </table>

</form>

</center>

</body>

</html>

<?php

error_reporting(0);

if(isset($_POST['sub'])) 

     { 

      $name=$_FILES['file']['name'];

 $type=$_FILES['file']['type'];

 $size=$_FILES['file']['size'];

 $tmp=$_FILES['file']['tmp_name'];

        

if($name=='')

{

echo"<script>alert('upload file')</script>";

exit();

}

if(( $type == "image/jpeg" )||($type=="image/gif")||($type=="image/png"))

{

if($size<=500000)

{

if (file_exists("upload file" . $_FILES["file"]["name"]))

 {

 echo $_FILES["file"]["name"] . " already exists. ";

 exit();

 }

 move_uploaded_file($tmp,"$name");

                      echo"<center> <font color='pink' ><h2>successfully uploaded</h2></font><br>".""."<img src=$name> </center>";   

   }

 

 else

 {

 echo"more size";

 }

 

}   

 else

 {

 echo"type not support";

 } 

 

 

 

 

 }

?>

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Output

Making Counter Using Php

Making Counter using php and html with the help of file handling.

Cont your real visiter using this very simple counter.

<?php
error_reporting(0);
$file = file_get_contents("counter.txt");
$data=$file;
$newdata=$data+1;
$newfile=fopen("counter.txt","w");
fwrite($newfile,$newdata);
?>
<html>
<table width="auto" border="2" cellspacing="2" cellpadding="2" bgcolor="#00FFFF" bordercolor="#0000FF" >
  <tr>
    <td><?php echo $newdata;  ?></td>
  </tr>
</table>
</html>

Output

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calculator

Making calculator using php

Html , php and java script codecode

<!DOCTYPE html>

<head>

</head>

 <br> <br> <br>

<center>

<table width="200"  border = "2"  bordercolor = "#000033"  bordercolor = "#FF00FF" >

  <tr>

    <td>

<table  border = "1"  bgcolor = "#FFFFFF"  width = "210" height = "30" >

  <tr>

    <td>

<?php

error_reporting(0);

if( isset ($_POST ['sub'] ) )

                {

     $value1 = $_POST ['val1'] ;

                 $value2 = $_POST ['val2'] ;

     $cal = $_POST ['cal'] ;

                                 If ( $value1 == '' )

                                 {

                                 echo " < script >  alert ( ' please enter value ' ) < / script > " ;

                                 exit() ;

                                 }

                                 If ( $value2 == '' )

                                 {

                                     echo " < script >  alert ( ' please enter value ' ) < / script > " ;

                                                  exit() ;

                                     }

               

              If ( $cal == '' )

                                 {

                                     echo " < script >  alert ( ' please enter value ' ) < / script > " ;

                                                  exit() ;

                                     }

                                                switch ( $cal )

                                                {

                                                 case  "+"  :

                                                 echo $value1 + $value2 ;

                                                break ;

                                               

                                                case  "-"  :

                                                 echo  $value1 - $value2 ;

                                                break ;

                                               

                                                case  "*"  :

                                                 echo  $value1 * $value2 ;

                                                break ;

                                               

            case  "/"  :

                                                 echo $value1 / $value2 ;

                                                break ;

                                                }

                }

?>

               

</td>

  </tr>

</table>

< center >< br >< br >< br >< strong >< font color="#0066FF" >Simple Umar Calculator< /font >< strong>

< body bgcolor = "#00FFFF" >

< form action = "cal.php"  method = "post" >

< table >

  <tr>

    <td> Value1: </td>

    <td> <input name = "val1"  type = "text" ></td>

  </tr>

    <td> Sign: </td>

    <td> <input name = "cal" type = "text"> </td>

  </tr>

  <tr>

    <td> Value2: </td>

    <td> <input name = "val2" type = "text" > </td>

  </tr>

  <tr>

  <tr>

    <td colspan = "2"> < center >< input name = "sub"  type = "submit" value =  "CaLcUlAtE" > </center> </td>

    </tr>

</table>

</form>

</center>

</td>

  </tr>

</table>

</center>

</body>

</html>



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umar farooque khan

Square Pattern In Php

                          Making of square pattern using php

The given squire pattern is made from loop .There are four type of loop in php 

1. for loop

2.while loop

3. do while loop

4. foreach loop 

I will tell you about loop in next post .use this code make square pattern.

Html code

<html>

<head></head>

<body>

<br><br><br><br>

<?php

$a=6;

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

{

 echo"&nbsp &nbsp &nbsp &nbsp &nbsp &nbsp &nbsp &nbsp ";

 for ( $c = 1 ; $c <= $a ; $c++ )

   { 

    echo"&nbsp ";//using for blank space

   }

    $a--;

      for ( $c = 1 ; $c <= 2*$b - 1 ; $c++ )

   {

         echo"*";

        }

      echo"<br>";

 }

 $w=1;

 for ( $d=6;$d>=1;$d-- )

{

  echo"&nbsp &nbsp &nbsp &nbsp &nbsp &nbsp &nbsp &nbsp ";

for ( $e=1;$e<=$w;$e++ )

   { 

    echo"&nbsp ";

   }

    $w++;

      for ( $e=1;$e<=2*$d-1;$e++ )

   {

         echo"*";

        }

      echo"<br>";

 }

 echo"uk";

?>

</body>

</html>

Note:

Save this code using .php extention.






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                                                        square pattern

Arrow in php

                                        
                

                                    Making  Arrow Using Php

Html code

The given arrow pattern is made from loop .There are many for loop used to create this type of pattern.

That is nested loop . 

<!doctype html>
<html>
<head></head>
<body>
uk
<?php
for ( $b =1;$b<=9;$b++ )
{
 for ($c=1;$c<=$b;$c++)
   {
   echo"$c";
   }
echo"<br>";
 }

 for ($a=9 ;$a>=1;$a-- )
{
 for ($d=1;$d<=$a;$d++)
   {
   echo"$d";
   }
echo"<br>";
 }
?>
</body>
</html>

uk

"; } for ($a=9 ;$a>=1;$a-- ) { for ($d=1;$d<=$a;$d++) { echo"$d"; } echo"
"; } ?>

Making Flage using loop in php

Loops in php

This type of flag creating using nested loops . Big deal of loops.          

                     

Php code

<!doctype html>
<html>
<head></head>
<body>

<?php
for ( $b =1;$b<=6;$b++ )
{
echo"&nbsp &nbsp &nbsp &nbsp &nbsp &nbsp &nbsp &nbsp";
 for ($c=1;$c<=20;$c++)
   {
   echo"*";
 
   }
 
     echo"<br>";
 
 }

 for ($a=1;$a<=10;$a++)
   {
   echo"&nbsp &nbsp &nbsp &nbsp &nbsp &nbsp &nbsp &nbsp";
   echo"***";
   echo"<br>";
   }

   $a=3;
for ( $b = 1 ; $b <= 4 ; $b++ )
{
 for ( $c = 1 ; $c <= $a ; $c++ )
   {
    echo"&nbsp &nbsp &nbsp";
}
    $a--;
      for ( $c = 1 ; $c <= 2*$b - 1 ; $c++ )
   {
         echo"***";
        }
      echo"<br>";
 }
 
?>
<b>uk</b>
</body>
</html>






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