error_reporting
(PHP 3, PHP 4 , PHP 5)error_reporting -- Sets which PHP errors are reported
Description
int error_reporting ( [int level])
The error_reporting() function sets the error_reporting directive at runtime. PHP has many levels of errors, using this function sets that level for the duration (runtime) of your script. error_reporting() sets PHP's error reporting level, and returns the old level. The level parameter takes on either a bitmask, or named constants. Using named constants is strongly encouraged to ensure compatibility for future versions. As error levels are added, the range of integers increases, so older integer-based error levels will not always behave as expected. 例子 1. error_reporting() examples<?php// Turn off all error reporting
error_reporting(0);// Report simple running errors
error_reporting(E_ERROR | E_WARNING | E_PARSE);// Reporting E_NOTICE can be good too (to report uninitialized
// variables or catch variable name misspellings ...)
error_reporting(E_ERROR | E_WARNING | E_PARSE | E_NOTICE);// Report all errors except E_NOTICE
// This is the default value set in php.ini
error_reporting(E_ALL ^ E_NOTICE);// Report all PHP errors (bitwise 63 may be used in PHP 3)
error_reporting(E_ALL);// Same as error_reporting(E_ALL);
ini_set('error_reporting', E_ALL);?>
The available error level constants are listed below. The actual meanings of these error levels are described in the predefined constants. 表格 1. error_reporting() level constants and bit valuesvalue constant
1 E_ERROR
2 E_WARNING
4 E_PARSE
8 E_NOTICE
16 E_CORE_ERROR
32 E_CORE_WARNING
64 E_COMPILE_ERROR
128 E_COMPILE_WARNING
256 E_USER_ERROR
512 E_USER_WARNING
1024 E_USER_NOTICE
2047 E_ALL
2048 E_STRICT
(PHP 3, PHP 4 , PHP 5)error_reporting -- Sets which PHP errors are reported
Description
int error_reporting ( [int level])
The error_reporting() function sets the error_reporting directive at runtime. PHP has many levels of errors, using this function sets that level for the duration (runtime) of your script. error_reporting() sets PHP's error reporting level, and returns the old level. The level parameter takes on either a bitmask, or named constants. Using named constants is strongly encouraged to ensure compatibility for future versions. As error levels are added, the range of integers increases, so older integer-based error levels will not always behave as expected. 例子 1. error_reporting() examples<?php// Turn off all error reporting
error_reporting(0);// Report simple running errors
error_reporting(E_ERROR | E_WARNING | E_PARSE);// Reporting E_NOTICE can be good too (to report uninitialized
// variables or catch variable name misspellings ...)
error_reporting(E_ERROR | E_WARNING | E_PARSE | E_NOTICE);// Report all errors except E_NOTICE
// This is the default value set in php.ini
error_reporting(E_ALL ^ E_NOTICE);// Report all PHP errors (bitwise 63 may be used in PHP 3)
error_reporting(E_ALL);// Same as error_reporting(E_ALL);
ini_set('error_reporting', E_ALL);?>
The available error level constants are listed below. The actual meanings of these error levels are described in the predefined constants. 表格 1. error_reporting() level constants and bit valuesvalue constant
1 E_ERROR
2 E_WARNING
4 E_PARSE
8 E_NOTICE
16 E_CORE_ERROR
32 E_CORE_WARNING
64 E_COMPILE_ERROR
128 E_COMPILE_WARNING
256 E_USER_ERROR
512 E_USER_WARNING
1024 E_USER_NOTICE
2047 E_ALL
2048 E_STRICT
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