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More usage of dbm::is_result($r) instead of count($r):

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- count() returns very different results and never a boolean (not even false on
  error condition).
- therefore you should NOT use it in boolean expressions. This still *can* be
  done in PHP because of its lazyness. But it is discouraged if it comes to
  more clean code.

Signed-off-by: Roland Häder <roland@mxchange.org>
This commit is contained in:
Roland Häder 2016-12-13 10:44:13 +01:00
parent 293436e5fd
commit 6a8a36f12d
115 changed files with 439 additions and 437 deletions
Download patch file Download diff file Expand all files Collapse all files

8
include/lock.php
View file

@ -16,14 +16,14 @@ function lock_function($fn_name, $block = true, $wait_sec = 2, $timeout = 30) {
dbesc($fn_name)
);
if((count($r)) AND (!$r[0]['locked'] OR (strtotime($r[0]['created']) < time() - 3600))) {
if((dbm::is_result($r)) AND (!$r[0]['locked'] OR (strtotime($r[0]['created']) < time() - 3600))) {
q("UPDATE `locks` SET `locked` = 1, `created` = '%s' WHERE `name` = '%s'",
dbesc(datetime_convert()),
dbesc($fn_name)
);
$got_lock = true;
}
elseif(! $r) { // the Boolean value for count($r) should be equivalent to the Boolean value of $r
elseif(! dbm::is_result($r)) { // the Boolean value for count($r) should be equivalent to the Boolean value of $r
q("INSERT INTO `locks` (`name`, `created`, `locked`) VALUES ('%s', '%s', 1)",
dbesc($fn_name),
dbesc(datetime_convert())
@ -56,10 +56,10 @@ function block_on_function_lock($fn_name, $wait_sec = 2, $timeout = 30) {
dbesc($fn_name)
);
if(count($r) && $r[0]['locked'])
if(dbm::is_result($r) && $r[0]['locked'])
sleep($wait_sec);
} while(count($r) && $r[0]['locked'] && ((time() - $start) < $timeout));
} while(dbm::is_result($r) && $r[0]['locked'] && ((time() - $start) < $timeout));
return;
}}