EventBuffer::drain

(PECL event >= 1.2.6-beta)

EventBuffer::drain — Removes specified number of bytes from the front of the buffer without copying it anywhere

说明

public EventBuffer::drain ( int $len ) : bool

Behaves as EventBuffer::read() , except that it does not copy the data: it just removes it from the front of the buffer.

参数

len

The number of bytes to remove from the buffer.

返回值

Returns TRUE on success. Otherwise FALSE.

参见

相关文章
php eventbuffer append data to the end of an event bufferphp eventbuffer move all data from a buffer provided to the current instance of eventbufferphp eventbuffer moves the specified number of bytes from a source buffer to the end of the current bufferphp eventbuffer copies out specified number of bytes from the front of the bufferphp eventbuffer removes specified number of bytes from the front of the buffer without copying it anywherephp eventbuffer prevent calls that modify an event buffer from succeedingphp eventbuffer prepend data to the front of the bufferphp eventbuffer moves all data from source buffer to the front of current bufferphp eventbuffer linearizes data within buffer and returns it s contents as a stringphp eventbuffer read data from an evbuffer and drain the bytes readphp eventbuffer read data from a file onto the end of the bufferphp eventbuffer extracts a line from the front of the bufferphp eventbuffer scans the buffer for an occurrence of a stringphp ibm db2 函数 returns the maximum number of bytes required to display a columnphp grapheme 函数 function to extract a sequence of default grapheme clusters from a text buffer which must be encoded in utf 8php com 函数 rounds a variant to the specified number of decimal placesphp imagick adds or removes a profile from an imagephp sam 函数 read a message from a queue without removing it from the queuephp sam 函数 read one or more messages from a queue without removing it from the queuephp splobjectstorage removes an object from the storage
关注编程学问公众号