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This article mainly introduces how to solve the php byte loss garbled problem, the article is very detailed, has a certain reference value, interested friends must read it!

Solutions to missing garbled php bytes: 1, using "mb_substr ($str, 0,1, 'gbk');" method to intercept Chinese strings; 2, using "mb_substr ($str, 0,2,' utf-8');" to intercept Chinese strings.

This article operating environment: Windows7 system, PHP7.4 version, Dell G3 computer.

Php removes garbled characters from strings due to byte loss

Using php built-in method mb_substr to intercept non-garbled codes

1. Example of GBK coding interception:

$str = 'who am I'; / gbk encoded string echo mb_substr ($str, 0,1, 'gbk'); / / output me

The mb_substr method has one more parameter than substr and is used to specify string encoding.

2. Example of utf-8 coding interception:

$str = 'who am I abc'; / / utf-8-encoded string echo mb_substr ($str, 0, 2, 'utf-8'); / / output me a

There is no problem with the mixture of China and Britain.

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