Recommended 10 articles about PHP predefined constant E_ERROR

Preface Recently, due to project needs, I need to read a txt document containing Chinese, and then save the file. The document was previously encoded by base64, causing all Chinese characters to be read and displayed as garbled characters. After the project team abandoned base64, two errors occurred: ascii codec can't encode characters in position ordinal not in range 128 UnicodeDecodeError: 'utf8' codec can't decode byte 0x. If you don’t know about ascii, unicode and utf-8, you can read this previous article about strings and encoding. Then you must understand the following three concepts: ascii can only represent numbers, English letters and some

1.Python solves the problem of Chinese character encoding: Unicode Decode Error_python

Introduction: Recently, when I used python to read a document containing Chinese characters, garbled characters appeared and two errors were reported. I had no choice but to go online to find the answer. Finally, I solved the problem with the help of netizens. I want to summarize. For a moment, the following article mainly introduces how python solves the problem of Chinese character encoding. Friends in need can refer to it.

2.Apache environment, localhost has been loading, but 127.0.0.1 can be accessed normally

Introduction: Apache environment localhost:82 Problem: When the browser enters localhost:82, there is no response (everything was normal yesterday), but 127.0.0.1:82 can be accessed. Situation: 1. The error log is as follows apache error.log httpd.conf The red pen is where I am The changed hosts file is as follows:

##3.php pthreads When using mutex, the CLI has stop

Introduction: When PTHREADS uses mutex to lock, the cli crashes (WIN7) Code: {code...} If you can tell me where the php system log is (similar to APACHE's error.log). To add: According to the official PTHREADS, it is thread-safe. In theory, thread-safety itself...

4.Local xampp running environment, the browser accesses the local ERR_CONNECTION_RESET appears in the environment

Introduction: An environment is arranged locally, and apache php runs without problems. echo phpinfo()pboard.png](/img/bVF2CF) But when opening the local website environment, it cannot be opened: as shown below. The ssl module has been opened in xampp. Why? apache errorlog AH00112: Warning: D...

5.php $_file error explanation

Introduction: When uploading files using PHP, we will use a program to monitor the file information sent by the browser. First, it will pass $_FILES[fieldName]['error'] Different values are used to determine whether the status of the file to be uploaded is normal. $_FILES[fieldName] ['error']==0 means everything is normal. For the specific meaning of other values, please refer to the comment section of the program below! switch($_FILES[$field]['error']) { case 1 ...

6.php--require/include/require_once/include_once

Introduction: require and include are almost identical, except for the way they handle failure. require generates an E_COMPILE_ERROR level error when an error occurs, in other words it will cause the script to abort while include only generates a warning (E_WARNING) and the script will continue to run.

7.php namespace error

Introduction: Error Parse error: syntax error, unexpected T_STRING in F: appwampserverAppServwwwnamespace.php on line 3 {code...}

8.smarty - What is the error in this php? I didn’t find the mistake

Introduction: This is the code for smarty settings found online. At first it prompted Parse error: syntax error, unexpected T_CONSTANT_ENCAPSED_STRING in F:phpstudyWWWsmartysconfig.php on line 2. I saw that the second line was fine, so I typed it again, and...

9.What is the error in this php? I didn’t find the mistake

#Introduction: This is the code for smarty settings found online. At first it prompted Parse error: syntax error, unexpected T_CONSTANT_ENCAPSED_STRING in F:phpstudyWWWsmartysconfig.php on line 2. I saw that the second line was fine, so I typed it again, and...

10.PHP uses curl and reports parse error

Introduction: This code is the {code...} sent to me by my classmate. It is exactly the same I pasted his code and it ran without error. I typed his code by hand and it ran normally. What's going on? Thank you:-)

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