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PHP5中文手册

getmypid

(PHP 4, PHP 5)

getmypid — Gets PHP's process ID

说明

int getmypid ( void )

Gets the current PHP process ID.

返回值

Returns the current PHP process ID, or FALSE on error.

注释

Warning

Process IDs are not unique, thus they are a weak entropy source. We recommend against relying on pids in security-dependent contexts.