PHP Manual
FFI
Creates an unmanaged pointer to C data

FFI::addr

(PHP 7 >= 7.4.0)

FFI::addr — Creates an unmanaged pointer to C data

说明

public static FFI::addr ( FFI\CData &$ptr ) : FFI\CData

Creates an unmanaged pointer to the C data represented by the given FFI\CData. The source ptr must survive the resulting pointer. This function is mainly useful to pass arguments to C functions by pointer.

参数

ptr: The handle of the pointer to a C data structure.

返回值

Returns the freshly created FFI\CData object.

php data structures the stack class php ffi c data handles php ffi main interface to c code and data php eventbufferevent creates a new ssl buffer event to send its data over an ssl on a socket php ffi creates an unmanaged pointer to c data php ffi creates a new ffi object php ffi releases an unmanaged data structure php ffi creates a c data structure php ffi gets the size of c data or types php ffi creates a php string from a memory area php ffi creates an ffi ctype object from a c declaration php zlib 函数 output all remaining data on a gz file pointer php mailparse 函数 streams data from source file pointer apply encoding and write to destfp php rrd 函数 creates image from a data php sdo das relational 函数 creates an instance of a relational data access service php splfileobject output all remaining data on a file pointer php spltype creates a new value of some type php svm test training params on subsets of the training data php svmmodel return class probabilities for previous unseen data php swfbutton creates a new button