10 recommended articles about the php trigger_error() function

In some PHP built-in functions (such as mkdir), adding @ in front can shield the errors thrown by the function So how do custom functions achieve this? I tried throw new Exception and trigger_error but they couldn't be blocked by @ Additional instructions: It's like this. For example, I want to write a JsonFile::get() method that throws an error when the file does not exist, throws an error when the path is illegal, throws an error when decoding fails, and returns false. When the user cares about the error message, he can catch and handle it by himself; when he doesn't care about the error message and just wants to get the file content or false (failure), he can call @JsonFile::get() like this Mainly for convenience. How to implement such a custom method (or function)? Or is my way of thinking not very good? Is there a convenient and reasonable implementation method?

1. How to implement custom functions in PHP without throwing an error when @ is included?

Introduction: In some PHP built-in functions (such as mkdir), adding @ in front can shield the errors thrown by the function. So how can a custom function achieve this? ? I tried throw new Exception and trigger_error but they couldn't be blocked by @. Additional explanation: It's like this. For example, I want to write a...

2. Why the same method Will echo realpath(RUNTIME_PATH); produce different results?

Introduction: In order to enable the custom error and exception handling mechanism to capture fatal errors, trigger_error($e[' message']); {code...} {code...} The following is its own error mechanism {code...}

3. PHP Error Handling API Method summary md

Introduction:: PHP Error Handling API method summary md: Current number of APIs 12 created (4) trigger_error - Create user-defined error messages for Triggers an error message under user-specified conditions. It is used with the built-in error handler, and can also be used with user-defined functions created by the set_error_handler() function user_error - an alias of trigger_error set_error_handler - sets a user-defined error handling function, replacing the built-in error handler set_ex

4. PHP custom error handling function trigger_error()_PHP tutorial

Introduction: PHP custom error handling Function trigger_error(). Definition and Usage The trigger_error() function creates a user-defined error message. trigger_error() is used to trigger an error message under user-specified conditions. It is the same as the built-in error handler

5. How to use the PHP rmdir() function to delete a directory_PHP tutorial

Introduction: How to use the PHP rmdir() function to delete a directory. For PHP rmdir() function code: ?php functionremoveDir($dirName) { $ result = false; if(!is_dir($dirName)) { trigger_error(directory name error, E_USER_ERROR); } $ handle = opendir

6. Example of triggering PHP errors through trigger_error in PHP_PHP tutorial

Introduction: Example of triggering PHP errors through trigger_error in PHP. Examples of triggering PHP errors through trigger_error in PHP This article mainly introduces examples of triggering PHP errors through trigger_error in PHP. This article introduces the error suppressor @ and triggering through trigger_error

##7. An example of triggering PHP errors through trigger_error in PHP, trigger_errorphp_PHP tutorial

Introduction: An example of triggering PHP errors through trigger_error in PHP, trigger_errorphp. Examples of PHP errors triggered by trigger_error in PHP, trigger_errorphp Examples of PHP errors triggered by trigger_error in PHP [error suppressor @] In addition to error_reporting and displ

##8 in php.ini.

Use How does trigger_error not display custom exception information

Introduction: How does trigger_error not display custom error information PHP code

9. PHP simple number paging display code

Introduction: PHP simple number paging display code

10. How to use the PHP rmdir() function to delete a directory

Introduction: How Use the PHP rmdir() function to delete the directory. For the PHP rmdir() function code: ?php functionremoveDir($dirName) { $ result = false; if(!is_dir($dirName)) { trigger_error(wrong directory name, E_USER_ERROR); } $ handle = opendir

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#php - Why do echo realpath(RUNTIME_PATH); in the same method produce different results? Result?

##How to implement a custom function in PHP without throwing an error when using @?

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