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How to query the coding of variables by php

2025-03-30 Update From: SLTechnology News&Howtos shulou NAV: SLTechnology News&Howtos > Development >

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This article mainly introduces php how to query the coding of variables, the article is very detailed, has a certain reference value, interested friends must read it!

In PHP, you can query the encoding of variables through the mb_detect_encoding function, which detects the encoding of characters, and its syntax is "mb_detect_encoding (string $str, mixed $encoding_list...)".

This article operating environment: windows7 system, PHP7.1 version, DELL G3 computer

Mb_detect_encoding

(PHP 4 > = 4.0.6, PHP 5, PHP 7, PHP 8)

Mb_detect_encoding-detect the encoding of characters

Description

Mb_detect_encoding (string $str, mixed $encoding_list = mb_detect_order (), bool $strict = false): string

Detects the encoding of the string str.

Parameters.

Str

The string to be checked.

Encoding_list

Encoding_list is a list of character encodings. The encoding order can be specified by an array or a comma-separated list string.

If encoding_list is omitted, detect_order will be used.

Strict

Strict specifies whether to strictly detect the encoding. The default is false.

Return value

Returns false when the character encoding is detected or the encoding of the specified string cannot be detected.

Example

Example # 1 mb_detect_encoding () example

See also

Mb_detect_order ()-sets / gets the detection order of character encodings

The above is all the contents of the article "how to query the Encoding of variables in php". Thank you for reading! Hope to share the content to help you, more related knowledge, welcome to follow the industry information channel!

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