PHP Integer PHP
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PHP Integer
PHP Integer
This data type holds only numeric values. It stores only whole number with no fractional component. The range of integers must lie between -2^31 to 2^31.
Syntax
Integers can be defined in decimal(base 10), hexadecimal(base 16), octal(base 8) or binary(base 2) notation.
Example 1
- $x=123;
- echo $x;
- ?>
Output:
Example 2
- $a=100;
- var_dump($a);
- ?>
Output:
Example 3
- // decimal base integers
- $deci1 = 40;
- $deci2 = 500;
- // octal base integers
- $octal1 = 07;
- // hexadecimal base integers
- $octal = 0x45;
- $add = $deci1 + $deci2;
- echo $add;
- ?>
Output: