Introduction Tutorial PHP

 









Comments

Post a Comment

Popular posts from this blog

Logical_Operators

  <?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...
Read more

UNION and UNION ALL in PHP

 In "personal" table, there are 6 columns named id, name, percentage, age, gender, city. In "personal" table, column name "id" is PRIMARY KEY and column name "city" is FOREIGN KEY. In "courses" table, there are 2 columns named course_id and course_name. In "courses" table, column name "course_id" is PRIMARY KEY. In "city" table, there are 2 columns named cid and cityname. In "city" table, column name "cid" is PRIMARY KEY. In "lecturers" table, there are 6 columns named id, name, percentage, age, gender, id_of_personal. In "lecturers" table, column name "id" is PRIMARY KEY and column name "id_of_personal" is FOREIGN KEY. UNION and UNION ALL Syntax : SELECT column1, column2 FROM table1 UNION/UNION ALL SELECT column1, column2 FROM table2; RULES : 1) Each SELECT statement within UNION must have the same number of columns. 2) The columns must also have ...
Read more

For_Loop

  <?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 --)         {        ...
Read more