PHP

  <?php     //EXAMPLE 1     $count = 0 ;     for ( $a = 1 ; $a <= 10 ; $a ++)     {         echo " $a " . ") Hello World<br>" ;         $count ++;     }     echo "There is Number of Count is : $count " . "<br>" ;     echo "<br>" ;     //EXAMPLE 2     for ( $a = 0 ; $a <= 5 ; $a ++)     {         for ( $b = 0 ; $b <= $a ; $b ++)         {             echo "*" ;         }         echo "<br>" ;     }     echo "<br>" ;     //EXAMPLE 3     $n = 5 ;     for ( $i = 0 ; $i <= $n ; $i ++)     {         for ( $sp = $n - 1 ; $sp >= $i ; $sp --)         {        ...

  <?php     //EXAMPLE 1     $a = 1 ;     $count = 0 ;     do {         echo " $a " . ") Hello World<br>" ;         $a ++;         $count ++;     } while ( $a <= 10 );     echo "The number of count is : $count " . "<br>" ;     echo "<br>" ;     //EXAMPLE 2     $b = 10 ;     $count = 0 ;     do {         echo " $b " . ") Hello World!<br>" ;         $b --;         $count ++;     } while ( $b >= 1 );     echo "The Number of count is : $count " ; //OUTPUT: //1) Hello World // 2) Hello World // 3) Hello World // 4) Hello World // 5) Hello World // 6) Hello World // 7) Hello World // 8) Hello World // 9) Hello World // 10) Hello World // The number of count is : 10 // 10) Hello World! // 9) He...

  <?php     //EXAMPLE 1     $a = 1 ;     $count = 0 ;     while ( $a <= 10 )     {         echo $a . ")  Hello World<br>" ;         $a = $a + 1 ;     //We can write $a++;         $count ++;     }     echo "There is total number of count is : " . $count . "<br>" ;     echo "<br>" ;     //EXAMPLE 2     $b = 10 ;     $count = 0 ;     echo "<ul>" ;     while ( $b >= 1 )     {         echo   "<li>" . $b . ") Hello World<br>" . "</li>" ;         $b --;         $count ++;     }     echo "</ul>" ;     echo "There is total number of count is : " . $count ; //OUTPUT: //1) Hello World // 2) Hello World /...

  <?php //  EXAMPLE 1     $a = "Hello " ;     $s = $a . "World<br>" ;     echo $s ;     //EXAMPLE 2     $b = "Hello, " ;     $b .= "this is " ;     $b .= 555 ;     $b .= " my World " ;     echo $b ; //OUTPUT: //Hello World // Hello, this is 555 my World ? >

  <?php     $x = 10 ;     //First Way to represent     ( $x > 20 ) ? $z = "Greater" : $z = "Smaller" ;     //Second Way to represent     $z = $x > 20 ? "Greater" : "Smaller" ;     //Third Way to represent     $z = "Value is : " . ( $x > 20 ? "Greater " : "Smaller" );     echo $z ; //OUTPUT:   Value is : Smaller ? >

  <?php     //EXAMPLE 1     $weekday = 5 ;     switch ( $weekday )     {         case 1 : {             echo "Monday<br>" ;             break ;         }         case 2 : {             echo "Tuesday<br>" ;             break ;         }         case 3 : {             echo "Wednesday<br>" ;             break ;         }         case 4 : {             echo "Thursday<br>" ;             break ;         }         case 5 : {             echo "Friday<br>" ;   ...

  <?php     //1st way to represent If ElseIf Statement     $per = 75 ;     if ( $per >= 80 && $per <= 100 )     {         echo "You are in Merit<br>" ;     }     elseif ( $per >= 60 && $per <= 80 )     {         echo "You are in 1st Division<br>" ;     }     elseif ( $per >= 45 && $per <= 60 )     {         echo "You are in 2nd Division<br>" ;     }     elseif ( $per >= 33 && $per <= 45 )     {         echo "You are in 3rd Division<br>" ;     }     elseif ( $per <= 33 )     {         echo "You are Fail<br>" ;     }     else     {         echo "Please Enter Valid Perce...

  <?php     $x = 15 ;     if ( $x > 30 )     {         echo "X is Greater<br>" ;     }     else     {         echo "X is Smaller<br>" ;     }     if ( $x == "15" )     {         echo "X is Same<br>" ;     }     else     {         echo "X is not Same<br>" ;     }     //In case of "===", it will check Value as well as Data Types of Variable     if ( $x === "15" )     {         echo "X is Same in case of Value and Data Types<br>" ;     }     else     {         echo "X is Not Same in case of Value and Data Types<br>" ;     } //OUTPUT: //X is Smaller // X is Same // X is Not Same in case of Value and Data Types ? >

  <?php     $age = 20 ;     $age1 = 25 ;     if ( $age >= 18 && $age <= 21 )     {         echo "You are Eligible<br>" ;     }         if ( $age >= 18 || $age <= 21 )     {         echo "You are Eligible<br>" ;     }     //Below condition is True So that "Not Operator(!)" will return False condition     if (!( $age >= 18 ))     {         echo "You are Eligible<br>" ;     }     //Below condition is False So that "Not Operator(!)" will return True condition     if (!( $age <= 18 ))     {         echo "You are Eligible<br>" ;     }     //If both condition is "True" OR "False" at that time xor will return "False" and if one condition is     //"True" and s...

  <?php     $a = 30 ;     $b = 10 ;     $c = "40" ;     $d = 40 ;     if ( $a > $b )     {         echo "A is Greater than B" ;     }     echo "<br>" ;     if ( $a < $b )     {         echo "B is Greater than A" ;     }     echo "Here, is other Statement" ;     echo "<br>" ;     if ( $c == $d )     {         echo "Both c and d are Same<br>" ;     }     echo "Here, is other Statement<br>" ;     if ( $c === $d )     {         echo "Both c and d are same in case of Value and Data Types<br>" ;     }     echo "Here, is Other Statement<br>" ;     echo "Below is the another way for performing If() Statement<br>" ;   ...

  <?php     $a = 10 ;     $b = 10 ;     $c = 22 ;     $d = 23 ;     $e = "10" ;     $m = 60 ;     $n = "60" ;     // echo $a == $b;     // echo "<br>";     // echo $c === $d;     // echo "<br>";     // echo $m == $n;     // echo "<br>";     // echo $m === $n;//"===" means "value" as well as "Data types" must be same of Two variables     // echo "<br>";     // echo $c != $d;  //"!=" and "<>" both the Operators are same, meaning is "Not Equal to"     // echo "<br>";     // echo $c <> $d;     echo "<br>" ;     //"!==" means that value of c and d is not equal as well as their data types also not equal     // echo $c !== $d;     echo "<br>" ;     // echo $a !== $e;     echo "<b...

  <?php     $a = 10 ;     $b = 3 ;     // $a = $a + $b;     // echo $a;     echo "<br>" ;     // $a += $b;   //Means that $a = $a + $b;     // echo $a;     echo "<br>" ;     // $a -= $b;     // echo $a;     // $a *= $b;     // echo $a;     echo "<br>" ;     // $a /= $b;     // echo $a;     echo "<br>" ;     // $a %= $b;     // echo $a;     echo "<br>" ;     $a **= $b ;   //Means that $a power of $b means $a * $a * $a     echo $a ;     echo "<br>" ; //OUTPUT: 1000 ? >

  <?php     $a = 7 ;     $b = 2 ;     $c = $a + $b ;     // echo $c;     // echo "<br>";     // $c = $a - $b;     // echo $c;     // echo "<br>";     // $c = $a * $b;     // echo $c;     // echo "<br>";     // $c = $a / $b;     // echo $c;     // echo "<br>";     // $c = $a % $b;     // echo $c;     // echo "<br>";     // $c = $a ** $b;     // echo $c;     // echo "<br>";     // $a++;     // echo $a;     // echo "<br>";     // ++$a;     // echo $a;     // echo "<br>";     // $a--;     // echo $a;     // echo "<br>";     // --$a;     // echo $a;     // echo "<br>";     // $c = $a + $b * 2; ...

  <?php     $x = "Hello World" ;     $y = 34521 ;     $z = 985.321 ;     $a = 2345.21498740 ;     $m = "412.9056" ;     $n = true ;     $p = false ;     $o = null ;     $r = array ( "html" , "css" , "js" );     // echo $x . "<br>";     // echo $y . "<br>";     // echo $z . "<br>";     // echo $a . "<br>";     // echo $m . "<br>";     // echo $n . "<br>";     // echo $p . "<br>";     echo $o . "<br>" ;     // var_dump($x);   //var_dump() function gives the value and return type of any variables     // var_dump($y);     // var_dump($z);     // var_dump($a);     // var_dump($m);     // var_dump($n);     // var_dump($p);     var_dump ( $o );     var_dump ( $r ); /...