php data types

php datatypes

php data types
scalar types - pre defined
compund types- user defined
special types
scalar types
boolearn
integer
float
string
boolean
1. <?php
2.     if (TRUE)
3.         echo "This condition is TRUE.";	This condition is TRUE.
4.     if (FALSE)
5.         echo "This condition is FALSE.";
6. ?>
integer
integer can be either positive or negative and not contain deciamal point
integer can be decimal base10
octal base 8
hexadecimal	base16
2,147,483,648 and 2,147,483,647
<?php
$dec1 = 34;
$oct1 = 0243;
$hexa1 = 0x45;
echo "Decimal number: " .$dec1. "</br>";
echo "Octal number: " .$oct1. "</br>";
echo "HexaDecimal number: " .$hexa1. "</br>";
?>
Decimal number: 34
Octal number: 163
HexaDecimal number: 69
php float
it hold decimal point or fractional point and it has positive and negative sign
<?php
$n1 = 19.34;
$n2 = 54.472;
$sum = $n1 + $n2;
echo "Addition of floating numbers: " .$sum;
?>
Addition of floating numbers: 73.812
php string
$company = "Javatpoint";
echo "Hello $company";
php compount types
<?php
$bikes = array ("Royal Enfield", "Yamaha", "KTM");
var_dump($bikes);   //the var_dump() function returns the datatype and values
echo "</br>";
echo "Array Element1: $bikes[0] </br>";	array(3) { [0]=> string(13) "Royal Enfield" [1]=> string(6) "Yamaha" [2]=> string(3) "KTM" }
echo "Array Element2: $bikes[1] </br>";	Array Element1: Royal Enfield
echo "Array Element3: $bikes[2] </br>";	Array Element2: Yamaha
?>	Array Element3: KTM
php object
<?php
class bike {
function model() {
$model_name = "Royal Enfield";	Bike Model: Royal Enfield
echo "Bike Model: " .$model_name;
}
}
$obj = new bike();
$obj -> model();
?>
php special type
php resources
it is a data call
php null
<?php
$nl = NULL;
echo $nl;   //it will not give any output
?>