PHP Manual: getmypid


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getmypid

(PHP 3, PHP 4, PHP 5)

getmypid -- Gets PHP's process ID

Description

int getmypid ( void )

Gets the current PHP process ID.

Return Values

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

Notes

Warning

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