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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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