shmop_read

PHP 4 >= 4.0.4, PHP 5, PHP 7, PHP 8
shmop_read - Read data from shared memory block
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Code Examples

shmop_read( Shmop$shmop, int$offset, int$size ): string

shmop_read will read a string from shared memory block.

Parameters

shmop

The shared memory block identifier created by shmop_open

offset

Offset from which to start reading

size

The number of bytes to read. 0 reads shmop_size($shmid) - $start bytes.

Return Values

Returns the data or false on failure.

Changelog

Version Description
8.0.0 shmop expects a Shmop instance now; previously, a resource was expected.

Related Functions

Example of shmop_read

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Function shmop_read:

Shared Memory Functions

Most used PHP functions