How to use the int integer type in PHP

This article mainly shows you "how to use int integer types in PHP". The content is simple and clear. I hope it can help you solve your doubts. Let me lead you to study and learn how to use int integer types in PHP.

Description: int is a collection of positive, 0, and negative numbers. The integers stored in php are decimal, octal, and hexadecimal.

Syntax: $var = integer

Octal: add 0 before the number, which is octal. The number is only 0-7.

/ / Octal $num = 0123; var_dump ($num); / / 83 calculation: 1 "8" 8 + 2 "8 + 3

Hexadecimal writing: adding 0x before the number is hexadecimal. The only number is 0123456789abcdef.

/ / hexadecimal $num = 0x123 × varnished dump ($num); / / 291Computation: 1 "16" 16 + 2 "16 + 3"

The maximum storage integer value of php is more than 2.1 billion.

Echo PHP_INT_MAX; / / 2147483647

PHP maximum integer digits: 14 digits.

Echo PHP_INT_SIZE; / / 4 above is all the content of the article "how to use int integer types in PHP". Thank you for reading! I believe we all have a certain understanding, hope to share the content to help you, if you want to learn more knowledge, welcome to follow the industry information channel!