PHP TutorialLesson 8Free preview

PHP Data Types

This lesson is part of PHP · All levels

Summary

PHP provides a variety of built-in data types such as strings, integers, floats, booleans, arrays, and null. This lesson explains the characteristics of each type and how to check it with the functions gettype() and var_dump(). Understanding the data type is important so that the operations and comparisons you write are not wrong.

Key points

Inbuilt types: string, integer, float, boolean, array, and
String for text, integer for integer, float for decimal
The boolean has only two possibilities, namely true or false
Gettype() displays the type name, var_dump() displays the type and its value

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