Friday, March 29, 2024

PHP if else statements

PHP if else statements

Information :-

Code inside if block execute once's when condition is True and

code inside the else block execute once condition false.

Syntax :-

statement ;

if (condition)

{

statement;

}

else

{

statement;

}

Example:-

<html>
    <head>
        <title>php if else satatement program</title>
    </head>
    <body>

        <h2>php if else statement</h2>
        <?php 
        $age=18;
        
        if($age>18)
        {
            echo"  student is Eligible";
        }
        else
        {
            echo" student is no Eligible";
        }
        ?>
       
</body>
    </html>

Output:-

Example :-

Q. Student result display

<html>
    <head>
    <title>student marks</title>
    <link rel="stylesheet" href="css/bootstrap.css">
</head>
    <body class="bg-primary">
        <center>
        <div class="col-md-4 mt-5 bg-white shadow-lg mx-auto p-2" >
        <form action="student-marks.php" method="get">
         <h2>Student Result</h2> 
        <input type="text" name="nm"placeholder="student name" required> <br>
          
            <input type="number" name="mr" placeholder="Marathi" required> <br>
           <input type="number" name="eg" placeholder="english" required><br>
            <input type="number" name="mt" placeholder="mathematics" required><br>
            <input type="number" name="his" placeholder="history" required></br><br>
            <input type="submit" value="show result" name="b1"><br>

        </form>

                <?php
                if(isset($_GET["b1"]))
                {
                /* input type */
            $name= $_GET['nm'];
            $s1=$_GET['mr'];
            $s3=$_GET['eg'];
            $s4=$_GET['mt'];
            $s5=$_GET['his'];
            /* operation */
            $total=$s1+$s3+$s4+$s5;
            $per=$total/4;
            /* output*/
            echo "hi..." .$name;
            echo "<br> Total Mark =" .$total;
            echo "<br> percentage=".$per;
                     if($s1>=35&& $s3>=35&& $s4>=35 &&$s5>=35)
                     {
                        $Remark="Pass";
                     }
                     else
                     {
                        $Remark="fail";

                     }
                    
                     
                     echo "<br>Remark=" .$Remark;
                }
                ?>
                </div>
            <center>
            </body>

    </html>

Output:-

Read more :-

PHP Introduction

PHP Variables

PHP Data Types

PHP Operators

php logical operators

php Arithmetic-Operators

php Assignment Operators

php string operators

Saturday, March 9, 2024

PHP if Statements

PHP if statements

if statements inside they if block is execute the once them codition is true.

Syntax :-

statement ;

if (condition)

{

/*block of code */

}

PHP if Statements

Example :-

Q] Accept name of student from user and show student name in same page.

<html>
    
    <form action="collect_data_student.php"
method="get">
    <label> Enter name</label><br>    
    <input type="text" name="snm" require>
<br><br>
    <input type="submit" value="show" name="b1"
 >
   <?php
        if (isset($_GET["b1"]))
        {
                $name=$_GET["snm"];
                echo " <br> hi :-". $name;
        }
   ?>

</form>
</html> 

PHP if Statements

Output :-

Example

2] Accept price and amount the user from and calculate bill .price and bill amount person
get 10% discount of total bill amount 5000.

    <html>
        <head>
    <title>calculate the bile </title>
</head>
    <form action="bill.php" method="get">
        <label>Price</label>
        <input type="number" name="price"
 required><br><Br>

        <label>quantity</label>
        <input type ="number" name="quantity"
 required><br><br>
        <input type="submit" value="show" 
name="b1"required>
</form>

<?php 
if(isset($_GET["b1"]))
{
    /*input */
    $pr=$_GET["price"];
    $qty=$_GET["quantity"];

    /* operator */
    $bill=$pr*$qty;
    $discount= ($bill>5000)?10:0;
    $disamt=($bill*$discount)/100;
    $tbill=$bill-$disamt;
    /* output*/
    echo" price=" .$pr;
    echo "<br>quantity =" .$qty;
    echo "<br>Bill=" .$bill;
    echo "<br> discount =" .$discount;
    echo "<br>discount amount =". $disamt;
    echo "<br>total bill = ". $tbill;
}
?>
</html>

output :-

READ MORE :-

PHP Introduction

PHP variable

PHP Operators

PHP data type

PHP logical Operators

PHP Arithmetic Operators

PHP Assignment Operators

PHP Operators

PHP string operators

Wednesday, March 6, 2024

PHP Increment/ Decrement operators

Increment/Decrement Operators :-

Increment (++)
Decrement (--)

PHP Increment/ Decrement operators

Example :-

<?php
// Example of increment operator
$a = 5;
echo "Original value of \$a: $a <br>";

$a++; // Increment $a by 1
echo "Value of \$a after incrementing: $a <br>";

// Example of decrement operator
$b = 10;
echo "Original value of \$b: $b <br>";

$b--; // Decrement $b by 1
echo "Value of \$b after decrementing: $b <br>";
?>

PHP Increment/ Decrement operators

Output :-

PHP introduction

PHP variable

PHP operators

data type in php

php logical operators

php Arithmetic-Operators

php Assignment Operators

php operators

php string operators

pHP Array

PHP String Operators

PHP String Operators:

Concatenation (.)
Concatenation assignment (.=)

PHP String Operators:

Example :-

<?php
// Concatenation operator (.)
$string1 = "Hello";
$string2 = "World";

$result = $string1 . " " . $string2;

echo $result;
?>
PHP String Operators

Output :-

PHP introduction

PHP variable

php operators

PHP data type

PHP logical operators

PHP Arithmetic Operators

PHP Assignment Operators

php operators

Tuesday, March 5, 2024

PHP logical operators

Logical Operators:

AND (&& or and)
OR (|| or or)
NOT (! or not)
XOR (exclusive OR) (xor)

PHP logical operators

Example :-

<?php
$a=10;
$b=5;
$c=20;
$d=20;
var_dump(($a<$c)&&($c==$d)&&($b<$c));//true
var_dump(!(($a<$c)&&($c==$d)&&($b<$c)));//false
var_dump(($a>$d)||($b<$c));//true
?>

logical operators php

Output

PHP introduction

PHP variable

PHP operators

PHP Data type

PHP Assignment Operators

PHP string operators

PHP Array

PHP form handling

PHP Arithmetic Operators

PHP Arithmetic Operators

Arithmetic Operators:

Addition (+)
Subtraction (-)
Multiplication (*)
Division (/)
Modulus (%)
Exponentiation (**)

Arithmetic Operators php

Example :-

<?php
$no1 = 20;
$no2 =5;
//ope
$add =$no1 + $no2;
$sub= $no1 - $no2;
$multi= $no1 *$no2;
$divi =$no1 / $no2;
$remainder = $no1 % $no2;

//out
echo "Addition =".$add;
echo"<br>subtraction =".$sub;
echo "<br> multiplication =".$multi;
echo "<br> division=".$divi;
echo"<br> remainder = ".$remainder;
?>

Friday, March 29, 2024

Saturday, March 9, 2024

PHP if statements

2] Accept price and amount the user from and calculate bill .price and bill amount person get 10% discount of total bill amount 5000.

output :-

Wednesday, March 6, 2024

PHP Increment/ Decrement operators

PHP Increment/ Decrement operators

Example :-

PHP Increment/ Decrement operators

Output :-

READ MORE

PHP String Operators

PHP String Operators:

PHP String Operators:

<?php// Concatenation operator (.)$string1 = "Hello";$string2 = "World";$result = $string1 . " " . $string2;echo $result;?>PHP String Operators

READ MORE

Tuesday, March 5, 2024

PHP logical operators

PHP logical operators

Example :-

logical operators php

Output

READ MORE

PHP introduction

PHP introduction

2] Accept price and amount the user from and calculate bill .price and bill amount person
get 10% discount of total bill amount 5000.

<?php
// Concatenation operator (.)
$string1 = "Hello";
$string2 = "World";

$result = $string1 . " " . $string2;

echo $result;
?>
PHP String Operators