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PHP
Beginner
Basics
PHP scalar data types
What data types does PHP have?
string, int, float, bool, array, object, null.
<?php
$str = 'Hello';
$int = 42;
$float = 19.99;
$bool = true;
$none = null;
var_dump($str, $int, $float, $bool, $none);Notes
var_dump shows type and value — great for debugging.
Keywords: types · string · int · float · bool · null
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