(PECL rpmreader >= 0.1.0)
rpm_is_valid — Tests a filename for validity as an RPM file
$filename
)rpm_is_valid() will test an RPM file for validity as an RPM file. This is not the same as rpm_open() as it only checks the file for validity but does not return a file pointer to be used by further functions.
filenameThe filename of the RPM file you wish to check for validity.
成功时返回 TRUE， 或者在失败时返回 FALSE。
Example #1 rpm_is_valid() example
<?php
$file = "/path/to/file.rpm";
if (rpm_is_valid($file)) {
echo "File is recognized as an RPM file.<br>\n";
}
else {
echo "File is not recognized as an RPM file.<br>\n";
}
?>