eko54r
b5e3a778ce
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49 lines
1.3 KiB
PHP
49 lines
1.3 KiB
PHP
<?php
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namespace Safe;
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use Safe\Exceptions\ShmopException;
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/**
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* shmop_delete is used to delete a shared memory block.
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*
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* @param \Shmop $shmop The shared memory block resource created by
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* shmop_open
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* @throws ShmopException
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*
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*/
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function shmop_delete(\Shmop $shmop): void
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{
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error_clear_last();
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$safeResult = \shmop_delete($shmop);
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if ($safeResult === false) {
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throw ShmopException::createFromPhpError();
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}
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}
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/**
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* shmop_read will read a string from shared memory block.
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*
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* @param \Shmop $shmop The shared memory block identifier created by
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* shmop_open
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* @param int $offset Offset from which to start reading; must be greater than or equal to zero
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* and less than or equal to the actual size of the shared memory segment.
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* @param int $size The number of bytes to read; must be greater than or equal to zero,
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* and the sum of offset and size
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* must be less than or equal to the actual size of the shared memory segment.
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* 0 reads shmop_size($shmid) - $start bytes.
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* @return string Returns the data.
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* @throws ShmopException
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*
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*/
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function shmop_read(\Shmop $shmop, int $offset, int $size): string
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{
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error_clear_last();
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$safeResult = \shmop_read($shmop, $offset, $size);
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if ($safeResult === false) {
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throw ShmopException::createFromPhpError();
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}
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return $safeResult;
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}
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