How many bytes is a Chinese character in php?

For Chinese characters in php, if the GBK and Big-5 versions are used, each Chinese character is equivalent to 2 bytes; if the UTF-8 version is used, each Chinese character is equivalent to 3 bytes .

#The operating environment of this article: Windows 7 system, PHP version 7.4, Dell G3 computer.

How many bytes is a Chinese character in php? How many bytes does a Chinese character occupy in php?

Answer:

For Chinese characters, if you use the GBK and Big-5 versions, each Chinese character is equivalent to 2 bytes;

If you use the UTF-8 version , each Chinese character is equivalent to 3 bytes.

Byte is the unit of binary data. A byte is usually 8 bits long. However, some older computer architectures use different lengths. To avoid confusion, in most international literature the word byte is used instead of byte. In most computer systems, a byte is an 8-bit unit of data. Most computers use a byte to represent a character, number, or other character. A byte can also represent a series of binary bits. In some computer systems, 4 bytes represent a word, which is the unit of data that the computer can efficiently process when executing instructions. Some language descriptions require 2 bytes to represent a character, which is called a double-byte character set. Some processors are capable of handling double-byte or single-byte instructions. Bytes are often abbreviated as "B" and bits are often abbreviated as lowercase "b". The size of computer memory is usually expressed in bytes.

Recommended study: "PHP Video Tutorial"

The above is the detailed content of How many bytes is a Chinese character in php?. For more information, please follow other related articles on the PHP Chinese website!