Class yii\log\FileTarget

继承yii\log\FileTarget » yii\log\Target » yii\base\Component » yii\base\BaseObject
实现yii\base\Configurable
可用自版本2.0
源代码 https://github.com/yiisoft/yii2/blob/master/framework/log/FileTarget.php

FileTarget records log messages in a file.

The log file is specified via $logFile. If the size of the log file exceeds $maxFileSize (in kilo-bytes), a rotation will be performed, which renames the current log file by suffixing the file name with '.1'. All existing log files are moved backwards by one place, i.e., '.2' to '.3', '.1' to '.2', and so on. The property $maxLogFiles specifies how many history files to keep.

公共属性

隐藏继承的属性

属性类型描述定义在
$behaviors yii\base\Behavior[] 附加到此组件的行为列表. 该属性是只读的. yii\base\Component
$categories array List of message categories that this target is interested in. yii\log\Target
$dirMode integer The permission to be set for newly created directories. yii\log\FileTarget
$enableRotation boolean Whether log files should be rotated when they reach a certain maximum size. yii\log\FileTarget
$enabled boolean Indicates whether this log target is enabled. Defaults to true. Note that the type of this property differs in getter and setter. See getEnabled() and setEnabled() for details. yii\log\Target
$except array List of message categories that this target is NOT interested in. yii\log\Target
$exportInterval integer How many messages should be accumulated before they are exported. yii\log\Target
$fileMode integer The permission to be set for newly created log files. yii\log\FileTarget
$levels integer The message levels that this target is interested in. This is a bitmap of level values. Defaults to 0, meaning all available levels. Note that the type of this property differs in getter and setter. See getLevels() and setLevels() for details. For more details and usage information on Target, see the guide article on logging & targets. yii\log\Target
$logFile string Log file path or path alias. yii\log\FileTarget
$logVars array List of the PHP predefined variables that should be logged in a message. yii\log\Target
$maskVars array List of the PHP predefined variables that should NOT be logged "as is" and should always be replaced with a mask *** before logging, when exist. yii\log\Target
$maxFileSize integer Maximum log file size, in kilo-bytes. yii\log\FileTarget
$maxLogFiles integer Number of log files used for rotation. yii\log\FileTarget
$messages array The messages that are retrieved from the logger so far by this log target. yii\log\Target
$microtime boolean Whether to log time with microseconds. yii\log\Target
$prefix callable A PHP callable that returns a string to be prefixed to every exported message. yii\log\Target
$rotateByCopy boolean Whether to rotate log files by copy and truncate in contrast to rotation by renaming files. yii\log\FileTarget

公共方法

隐藏继承的方法

方法描述定义在
__call() 调用不是类方法的指定的方法. yii\base\Component
__clone() 在通过克隆现有对象创建对象之后调用此方法. yii\base\Component
__construct() 构造函数. yii\base\BaseObject
__get() 返回组件属性的值. yii\base\Component
__isset() 检查属性是否已设置, 即已定义且不为null. yii\base\Component
__set() 设置组件属性的值. yii\base\Component
__unset() 将组件属性设置为null. yii\base\Component
attachBehavior() 将行为附加到此组件. yii\base\Component
attachBehaviors() 将行为列表附加到组件. yii\base\Component
behaviors() 返回此组件应该具有的行为列表. yii\base\Component
canGetProperty() 返回一个值, 指示属性是否可读取. yii\base\Component
canSetProperty() 返回一个值, 指示属性是否可设置. yii\base\Component
className() 返回此类的完全限定名称. yii\base\BaseObject
collect() Processes the given log messages. yii\log\Target
detachBehavior() 从组件中分离一个行为. yii\base\Component
detachBehaviors() 分离组件中的所有行为. yii\base\Component
ensureBehaviors() 确保在 behaviors() 中声明的行为已附加到此组件. yii\base\Component
export() Writes log messages to a file. yii\log\FileTarget
filterMessages() Filters the given messages according to their categories and levels. yii\log\Target
formatMessage() Formats a log message for display as a string. yii\log\Target
getBehavior() 返回指定的行为对象. yii\base\Component
getBehaviors() 返回附加到此组件的所有行为. yii\base\Component
getEnabled() Check whether the log target is enabled. yii\log\Target
getLevels() yii\log\Target
getMessagePrefix() Returns a string to be prefixed to the given message. yii\log\Target
hasEventHandlers() 返回一个值, 指示是否有任何处理程序附加到指定的事件. yii\base\Component
hasMethod() 返回一个值, 指示方法是否已定义. yii\base\Component
hasProperty() 返回一个值, 指示属性是否已定义. yii\base\Component
init() Initializes the route. yii\log\FileTarget
off() 从该组件分离现有的事件处理程序. yii\base\Component
on() 将事件处理程序附加到事件. yii\base\Component
setEnabled() Sets a value indicating whether this log target is enabled. yii\log\Target
setLevels() Sets the message levels that this target is interested in. yii\log\Target
trigger() 触发事件. yii\base\Component

受保护的方法

隐藏继承的方法

方法描述定义在
getContextMessage() Generates the context information to be logged. yii\log\Target
getTime() Returns formatted ('Y-m-d H:i:s') timestamp for message. yii\log\Target
rotateFiles() Rotates log files. yii\log\FileTarget

属性详情

$dirMode public 属性

The permission to be set for newly created directories. This value will be used by PHP chmod() function. No umask will be applied. Defaults to 0775, meaning the directory is read-writable by owner and group, but read-only for other users.

public integer $dirMode 0775
$enableRotation public 属性 (可用自版本: 2.0.3)

Whether log files should be rotated when they reach a certain maximum size. Log rotation is enabled by default. This property allows you to disable it, when you have configured an external tools for log rotation on your server.

public boolean $enableRotation true
$fileMode public 属性

The permission to be set for newly created log files. This value will be used by PHP chmod() function. No umask will be applied. If not set, the permission will be determined by the current environment.

public integer $fileMode null
$logFile public 属性

Log file path or path alias. If not set, it will use the "@runtime/logs/app.log" file. The directory containing the log files will be automatically created if not existing.

public string $logFile null
$maxFileSize public 属性

Maximum log file size, in kilo-bytes. Defaults to 10240, meaning 10MB.

public integer $maxFileSize 10240
$maxLogFiles public 属性

Number of log files used for rotation. Defaults to 5.

public integer $maxLogFiles 5
$rotateByCopy public 属性

Whether to rotate log files by copy and truncate in contrast to rotation by renaming files. Defaults to true to be more compatible with log tailers and is windows systems which do not play well with rename on open files. Rotation by renaming however is a bit faster.

The problem with windows systems where the rename() function does not work with files that are opened by some process is described in a comment by Martin Pelletier in the PHP documentation. By setting rotateByCopy to true you can work around this problem.

public boolean $rotateByCopy true

方法详情

export() public 方法

Writes log messages to a file.

Starting from version 2.0.14, this method throws LogRuntimeException in case the log can not be exported.

public void export ( )
throws yii\base\InvalidConfigException

if unable to open the log file for writing

throws yii\log\LogRuntimeException

if unable to write complete log to file

init() public 方法

Initializes the route.

This method is invoked after the route is created by the route manager.

public void init ( )
rotateFiles() protected 方法

Rotates log files.

protected void rotateFiles ( )