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Showing posts from February, 2023

Web Designing course - HTML, CSS live classes

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Dear Student! Now you can learn Web Designing course for free Course Contents: 1)Basics & HTML - Overview 2) Basic HTML - Tags 3)HTML Formatting 4) HTML - Images, Audio, Video 5) HTML - Tables 6) HTML - Lists 7) HTML - Links 8) HTML - Frames 9) HTML - Forms 10) CSS - Overview & CSS - Syntax 11) CSS - Elements 12) CSS - Images 13) CSS - Tables 14) CSS - Lists 15) CSS - Filters 16) Blog 17) Website -  18) Website -  19) Website - 20) Assessment Course Highlights : 1) Live class 2) Time : 9PM - 10PM (Monday to Friday) 3) througjh Freegurukul App 4) Certification 5) You can design Website and Blog after completion of course. For more Details : 9703508488 https://vesrntechnologies.blogspot.com App Download Or htps://play.google.com/store/apps/details?id=freegurukul.org What is a web design? Web design refers to the design of websites that are displayed on the internet. It usually refers to the user experience aspects of website development rather than software development. Website
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PHP MYSQL - Operators - 5.8 Conditional Assignment Operators

  PHP Conditional Assignment Operators The PHP conditional assignment operators are used to set a value depending on conditions: Operator Name Example Result ?: Ternary $x =  expr1  ?  expr2  :  expr3 Returns the value of $x. The value of $x is  expr2  if  expr1  = TRUE. The value of $x is  expr3  if  expr1  = FALSE ?? Null coalescing $x =  expr1  ??  expr2 Returns the value of $x. The value of $x is  expr1  if  expr1  exists, and is not NULL. If  expr1  does not exist, or is NULL, the value of $x is  expr2 . Introduced in PHP 7 <!DOCTYPE html> <html> <body> <?php    // if empty($user) = TRUE, set $status = "anonymous"    echo $status = (empty($user)) ? "anonymous" : "logged in";    echo("<br>");    $user = "John Doe";    // if empty($user) = FALSE, set $status = "logged in"    echo $status = (empty($user)) ? "anonymous" : "logged in"; ?>   </body> </html> Output: a
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PHP MYSQL - Operators - 5.7 Array Operators

  PHP Array Operators The PHP array operators are used to compare arrays. Operator Name Example Result + Union $x + $y Union of $x and $y == Equality $x == $y Returns true if $x and $y have the same key/value pairs === Identity $x === $y Returns true if $x and $y have the same key/value pairs in the same order and of the same types != Inequality $x != $y Returns true if $x is not equal to $y <> Inequality $x <> $y Returns true if $x is not equal to $y !== Non-identity $x !== $y Returns true if $x is not identical to $y <!DOCTYPE html> <html> <body> <?php $x = array("a" => "red", "b" => "green");   $y = array("c" => "blue", "d" => "yellow");   print_r($x + $y); // union of $x and $y ?>   </body> </html> Output: Array ( [a] => red [b] => green [c] => blue [d] => yellow ) Ex:2 <!DOCTYPE html> <html> <body> <?php $x = a
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PHP MYSQL - Operators - 5.6 String Operators

  PHP String Operators PHP has two operators that are specially designed for strings. Operator Name Example Result . Concatenation $txt1 . $txt2 Concatenation of $txt1 and $txt2 .= Concatenation assignment $txt1 .= $txt2 Appends $txt2 to $txt1 <!DOCTYPE html> <html> <body> <?php $txt1 = "Vesrn"; $txt2 = "Technologies"; echo $txt1 . $txt2; ?>   </body> </html> Output: VesrnTechnologies 2)<!DOCTYPE html> <html> <body> <?php $txt1 = "Vesrn; $txt2 = "Technologies!"; $txt1 .= $txt2; echo $txt1; ?>   </body> </html> Output: VesrnTechnologies
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PHP MYSQL - Operators - 5.5 Logical Operators

 PHP MYSQL - Operators - 5.5 Logical Operators PHP Logical Operators The PHP logical operators are used to combine conditional statements. Operator Name Example Result and And $x and $y True if both $x and $y are true or Or $x or $y True if either $x or $y is true xor Xor $x xor $y True if either $x or $y is true, but not both && And $x && $y True if both $x and $y are true || Or $x || $y True if either $x or $y is true ! Not !$x True if $x is not true Example 'and' <!DOCTYPE html> <html> <body> <?php $x = 10;   $y = 20; if ($x == 100 and $y == 50) {     echo "Vesrn Technologies!"; } ?>   </body> </html> Output: Vesrn Technologies Logical operators are widely used when it necessary, dear student you can try remaining operators with your own.
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PHP MYSQL - Operators - 5.4 Increment / Dercement Operators

  PHP Increment / Decrement Operators The PHP increment operators are used to increment a variable's value by adding one. The PHP decrement operators are used to decrement a variable's value by subtracting one. Operator Name Description ++$x Pre-increment Increments $x by one, then returns $x $x++ Post-increment Returns $x, then increments $x by one --$x Pre-decrement Decrements $x by one, then returns $x $x-- Post-decrement Returns $x, then decrements $x by one                               Example:  Prefix Increment Operator  <!DOCTYPE html> <html> <body> <?php $x = 10;   echo ++$x; ?>   </body> </html> Output: 11 Example:  Postfix Increment Operator  <!DOCTYPE html> <html> <body> <?php $x = 10;   echo $x++; ?>   </body> </html> Output: 10 Similarly prefix --, postfix -- operators works
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