PHP Increment and Decrement Operators

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PHP Increment and Decrement Operators - Part 1

Notes:

PHP Increment and Decrement Operators - Part 1

Increment and Decrement Operators: are used to increment or decrement a variable value by 1.

++ : Increment Operator : is used to increment a variable value by 1
Post Increment : variableName ++
Pre Increment : ++ variableName

-- : Decrement Operator : is used to decrement a variable value by 1
Post Decrement: variableName --
Pre Decrement : -- variableName

Example code1:
$a=10;
echo "a=",$a," "; //a=10
$a++; // $a=$a; $a=$a+1;
echo "a=",$a," "; //a=11

$a=10;
echo "a=",$a," "; // a=10
++$a; // $a=$a+1; $a=$a;
echo "a=",$a," "; // a=11

$a=10;
echo "a=",$a," "; // a=10
$a--; // $a=$a; $a=$a-1;
echo "a=",$a," "; //a=9

$a=10;
echo "a=",$a," "; // a=10
--$a; // $a=$a-1; $a=$a;
echo "a=",$a," ";//a=9

Interview Questions:

1. PHP stands for ______________
a. Hypertext Preprocessor
b. Preprocessor Hypertext
c. Personal Home Processor
d. Personal Hypertext processor
Ans: a

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