note 125596 added to ffi.sizeof

From: Date: Sat, 12 Dec 2020 03:17:50 +0000
Subject: note 125596 added to ffi.sizeof
Groups: php.notes 
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<?php // Sample using sizeof Function _Win_Ffi_GlobalMemoryStatus() { static $Kernel32, $a, $r; $Kernel32??=FFI::cdef(<<<'IDL' typedef struct _MemoryStatus { uint32_t Length ; uint32_t MemoryLoad ; uint64_t TotalPhys ; uint64_t AvailPhys ; uint64_t TotalPageFile ; uint64_t AvailPageFile ; uint64_t TotalVirtual ; uint64_t AvailVirtual ; } MemoryStatus; void GlobalMemoryStatus(MemoryStatus* buf); IDL, 'Kernel32.dll'); $a??=$Kernel32->new('MemoryStatus'); $a->Length =$Kernel32::sizeof($Kernel32->type('MemoryStatus')); $r??=FFI::addr($a); $Kernel32->GlobalMemoryStatus($r); return [ 'Total' =>$a->TotalPhys, 'Free' =>$a->TotalPhys-$a->AvailPhys, 'Load' =>$a->MemoryLoad*0.01, ]; } ?> ---- Server IP: 45.112.84.4 Probable Submitter: 45.112.85.244 (proxied: 185.116.203.41) ---- Manual Page -- http://php.net/manual/en/ffi.sizeof.php Edit -- https://master.php.net/note/edit/125596 Del: integrated -- https://master.php.net/note/delete/125596/integrated Del: useless -- https://master.php.net/note/delete/125596/useless Del: bad code -- https://master.php.net/note/delete/125596/bad+code Del: spam -- https://master.php.net/note/delete/125596/spam Del: non-english -- https://master.php.net/note/delete/125596/non-english Del: in docs -- https://master.php.net/note/delete/125596/in+docs Del: other reasons-- https://master.php.net/note/delete/125596 Reject -- https://master.php.net/note/reject/125596 Search -- https://master.php.net/manage/user-notes.php

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