How to intercept error messages in php

How to intercept error messages in php: 1. Add the @ symbol before the error statement; 2. Change "display_errors=on" to off; 3. Use the function "display_errors" to turn off error display.

The operating environment of this article: Windows7 system, PHP7.1 version, DELL G3 computer

php shielding error

1. As long as you add the @ symbol before the error statement, the error message can be blocked;

Example:

@unlink('./image.png');

2. Open the php.ini file and search for "display_errors = "on" defaults to on, change it to off;

3. Use the function "display_errors" to turn off error display;

Content supplement:

Shield PHP error prompts

Method 1: Add @ before the function that may cause errors, and then or die("")

For example:

@mysql_connect(...) or die("Database Connect Error")

Method 2: Edit php.ini and search for " display_errors =" , change the value after "=" to "off.

Method 3: Add error_reporting(0) before the php script to block all error prompts.

Among them, error_reporting configuration The level of error message reporting.

Syntax: int error_reporting(int [level]);

Return value: integer

Function type: PHP system function

Recommended learning: "PHP video tutorial"

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