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EventBuffer::searchEol	EventBuffer::unfreeze

EventBuffer	Last updated: Mon, 26 Oct 2026

EventBuffer::substr

(PECL event >= 1.6.0)

EventBuffer::substr — Subtracts a portion of the buffer data

Description

public function EventBuffer::substr( int $start , int $length = ?): string

Subtracts up to length bytes of the buffer data beginning at start position.

Parameters

start: The start position of data to be subtracted.
length: Maximum number of bytes to subtract.

Return Values

Returns the data subtracted as a string on success, or false on failure.

See Also

EventBuffer::read() - Read data from an evbuffer and drain the bytes read

EventBuffer::searchEol	EventBuffer::unfreeze

EventBuffer	Last updated: Mon, 26 Oct 2026