X-Git-Url: https://git.mxchange.org/?a=blobdiff_plain;f=include%2Fconfig.php;h=e9da8e7b3d43372e5d1453cccbf050f278910fd1;hb=30efb0c1e641b0b9d3aa40a5a79897c6d06ac3ef;hp=12fc9cafc99b61699fe172d635673277ff79b2fd;hpb=30f3a16874fd32b55dfbe079afe2470f7ce86e2e;p=friendica.git

diff --git a/include/config.php b/include/config.php
index 12fc9cafc9..e9da8e7b3d 100644
--- a/include/config.php
+++ b/include/config.php
@@ -6,7 +6,7 @@
  * Note:
  * Please do not store booleans - convert to 0/1 integer values
  * The get_?config() functions return boolean false for keys that are unset,
- * and this could lead to subtle bugs.  
+ * and this could lead to subtle bugs.
  *
  * There are a few places in the code (such as the admin panel) where boolean
  * configurations need to be fixed as of 10/08/2011.
@@ -18,18 +18,22 @@
 if(! function_exists('load_config')) {
 function load_config($family) {
 	global $a;
-	$r = q("SELECT * FROM `config` WHERE `cat` = '%s'",
-		dbesc($family)
-	);
+
+	// To-Do: How to integrate APC here?
+
+	$r = q("SELECT * FROM `config` WHERE `cat` = '%s'", dbesc($family));
 	if(count($r)) {
 		foreach($r as $rr) {
 			$k = $rr['k'];
-			if ($rr['cat'] === 'config') {
+			if ($family === 'config') {
 				$a->config[$k] = $rr['v'];
 			} else {
 				$a->config[$family][$k] = $rr['v'];
 			}
 		}
+	} else if ($family != 'config') {
+		// Negative caching
+		$a->config[$family] = "!<unset>!";
 	}
 }}
 
@@ -47,6 +51,13 @@ function get_config($family, $key, $instore = false) {
 	global $a;
 
 	if(! $instore) {
+		// Looking if the whole family isn't set
+		if(isset($a->config[$family])) {
+			if($a->config[$family] === '!<unset>!') {
+				return false;
+			}
+		}
+
 		if(isset($a->config[$family][$key])) {
 			if($a->config[$family][$key] === '!<unset>!') {
 				return false;
@@ -54,18 +65,54 @@ function get_config($family, $key, $instore = false) {
 			return $a->config[$family][$key];
 		}
 	}
+
+	// If APC is enabled then fetch the data from there, else try XCache
+	if (function_exists("apc_fetch") AND function_exists("apc_exists"))
+		if (apc_exists($family."|".$key)) {
+			$val = apc_fetch($family."|".$key);
+			$a->config[$family][$key] = $val;
+
+			if ($val === '!<unset>!')
+				return false;
+			else
+				return $val;
+		}
+	elseif (function_exists("xcache_fetch") AND function_exists("xcache_isset"))
+		if (xcache_isset($family."|".$key)) {
+			$val = xcache_fetch($family."|".$key);
+			$a->config[$family][$key] = $val;
+
+			if ($val === '!<unset>!')
+				return false;
+			else
+				return $val;
+		}
+
 	$ret = q("SELECT `v` FROM `config` WHERE `cat` = '%s' AND `k` = '%s' LIMIT 1",
 		dbesc($family),
 		dbesc($key)
 	);
 	if(count($ret)) {
 		// manage array value
-		$val = (preg_match("|^a:[0-9]+:{.*}$|", $ret[0]['v'])?unserialize( $ret[0]['v']):$ret[0]['v']);
+		$val = (preg_match("|^a:[0-9]+:{.*}$|s", $ret[0]['v'])?unserialize( $ret[0]['v']):$ret[0]['v']);
 		$a->config[$family][$key] = $val;
+
+		// If APC is enabled then store the data there, else try XCache
+		if (function_exists("apc_store"))
+			apc_store($family."|".$key, $val, 600);
+		elseif (function_exists("xcache_set"))
+			xcache_set($family."|".$key, $val, 600);
+
 		return $val;
 	}
 	else {
 		$a->config[$family][$key] = '!<unset>!';
+
+		// If APC is enabled then store the data there, else try XCache
+		if (function_exists("apc_store"))
+			apc_store($family."|".$key, '!<unset>!', 600);
+		elseif (function_exists("xcache_set"))
+			xcache_set($family."|".$key, '!<unset>!', 600);
 	}
 	return false;
 }}
@@ -77,6 +124,15 @@ function get_config($family, $key, $instore = false) {
 if(! function_exists('set_config')) {
 function set_config($family,$key,$value) {
 	global $a;
+
+	// If $a->config[$family] has been previously set to '!<unset>!', then
+	// $a->config[$family][$key] will evaluate to $a->config[$family][0], and
+	// $a->config[$family][$key] = $value will be equivalent to
+	// $a->config[$family][0] = $value[0] (this causes infuriating bugs),
+	// so unset the family before assigning a value to a family's key
+	if($a->config[$family] === '!<unset>!')
+		unset($a->config[$family]);
+
 	// manage array value
 	$dbvalue = (is_array($value)?serialize($value):$value);
 	$dbvalue = (is_bool($dbvalue) ? intval($dbvalue) : $dbvalue);
@@ -87,12 +143,12 @@ function set_config($family,$key,$value) {
 			dbesc($key),
 			dbesc($dbvalue)
 		);
-		if($ret) 
+		if($ret)
 			return $value;
 		return $ret;
 	}
-	
-	$ret = q("UPDATE `config` SET `v` = '%s' WHERE `cat` = '%s' AND `k` = '%s' LIMIT 1",
+
+	$ret = q("UPDATE `config` SET `v` = '%s' WHERE `cat` = '%s' AND `k` = '%s'",
 		dbesc($dbvalue),
 		dbesc($family),
 		dbesc($key)
@@ -100,6 +156,12 @@ function set_config($family,$key,$value) {
 
 	$a->config[$family][$key] = $value;
 
+	// If APC is enabled then store the data there, else try XCache
+	if (function_exists("apc_store"))
+		apc_store($family."|".$key, $value, 600);
+	elseif (function_exists("xcache_set"))
+		xcache_set($family."|".$key, $value, 600);
+
 	if($ret)
 		return $value;
 	return $ret;
@@ -118,6 +180,9 @@ function load_pconfig($uid,$family) {
 			$k = $rr['k'];
 			$a->config[$uid][$family][$k] = $rr['v'];
 		}
+	} else if ($family != 'config') {
+		// Negative caching
+		$a->config[$uid][$family] = "!<unset>!";
 	}
 }}
 
@@ -129,6 +194,13 @@ function get_pconfig($uid,$family, $key, $instore = false) {
 	global $a;
 
 	if(! $instore) {
+		// Looking if the whole family isn't set
+		if(isset($a->config[$uid][$family])) {
+			if($a->config[$uid][$family] === '!<unset>!') {
+				return false;
+			}
+		}
+
 		if(isset($a->config[$uid][$family][$key])) {
 			if($a->config[$uid][$family][$key] === '!<unset>!') {
 				return false;
@@ -137,6 +209,29 @@ function get_pconfig($uid,$family, $key, $instore = false) {
 		}
 	}
 
+	// If APC is enabled then fetch the data from there, else try XCache
+	if (function_exists("apc_fetch") AND function_exists("apc_exists"))
+		if (apc_exists($uid."|".$family."|".$key)) {
+			$val = apc_fetch($uid."|".$family."|".$key);
+			$a->config[$uid][$family][$key] = $val;
+
+			if ($val === '!<unset>!')
+				return false;
+			else
+				return $val;
+		}
+	elseif (function_exists("xcache_get") AND function_exists("xcache_isset"))
+		if (xcache_isset($uid."|".$family."|".$key)) {
+			$val = xcache_get($uid."|".$family."|".$key);
+			$a->config[$uid][$family][$key] = $val;
+
+			if ($val === '!<unset>!')
+				return false;
+			else
+				return $val;
+		}
+
+
 	$ret = q("SELECT `v` FROM `pconfig` WHERE `uid` = %d AND `cat` = '%s' AND `k` = '%s' LIMIT 1",
 		intval($uid),
 		dbesc($family),
@@ -144,12 +239,25 @@ function get_pconfig($uid,$family, $key, $instore = false) {
 	);
 
 	if(count($ret)) {
-		$val = (preg_match("|^a:[0-9]+:{.*}$|", $ret[0]['v'])?unserialize( $ret[0]['v']):$ret[0]['v']);
+		$val = (preg_match("|^a:[0-9]+:{.*}$|s", $ret[0]['v'])?unserialize( $ret[0]['v']):$ret[0]['v']);
 		$a->config[$uid][$family][$key] = $val;
+
+		// If APC is enabled then store the data there, else try XCache
+		if (function_exists("apc_store"))
+			apc_store($uid."|".$family."|".$key, $val, 600);
+		elseif (function_exists("xcache_set"))
+			xcache_set($uid."|".$family."|".$key, $val, 600);
+
 		return $val;
 	}
 	else {
 		$a->config[$uid][$family][$key] = '!<unset>!';
+
+		// If APC is enabled then store the data there, else try XCache
+		if (function_exists("apc_store"))
+			apc_store($uid."|".$family."|".$key, '!<unset>!', 600);
+		elseif (function_exists("xcache_set"))
+			xcache_set($uid."|".$family."|".$key, '!<unset>!', 600);
 	}
 	return false;
 }}
@@ -160,10 +268,16 @@ function del_config($family,$key) {
 	global $a;
 	if(x($a->config[$family],$key))
 		unset($a->config[$family][$key]);
-	$ret = q("DELETE FROM `config` WHERE `cat` = '%s' AND `k` = '%s' LIMIT 1",
+	$ret = q("DELETE FROM `config` WHERE `cat` = '%s' AND `k` = '%s'",
 		dbesc($family),
 		dbesc($key)
 	);
+	// If APC is enabled then delete the data from there, else try XCache
+	if (function_exists("apc_delete"))
+		apc_delete($family."|".$key);
+	elseif (function_exists("xcache_unset"))
+		xcache_unset($family."|".$key);
+
 	return $ret;
 }}
 
@@ -192,7 +306,7 @@ function set_pconfig($uid,$family,$key,$value) {
 			return $value;
 		return $ret;
 	}
-	$ret = q("UPDATE `pconfig` SET `v` = '%s' WHERE `uid` = %d AND `cat` = '%s' AND `k` = '%s' LIMIT 1",
+	$ret = q("UPDATE `pconfig` SET `v` = '%s' WHERE `uid` = %d AND `cat` = '%s' AND `k` = '%s'",
 		dbesc($dbvalue),
 		intval($uid),
 		dbesc($family),
@@ -201,6 +315,13 @@ function set_pconfig($uid,$family,$key,$value) {
 
 	$a->config[$uid][$family][$key] = $value;
 
+	// If APC is enabled then store the data there, else try XCache
+	if (function_exists("apc_store"))
+		apc_store($uid."|".$family."|".$key, $value, 600);
+	elseif (function_exists("xcache_set"))
+		xcache_set($uid."|".$family."|".$key, $value, 600);
+
+
 	if($ret)
 		return $value;
 	return $ret;
@@ -212,7 +333,7 @@ function del_pconfig($uid,$family,$key) {
 	global $a;
 	if(x($a->config[$uid][$family],$key))
 		unset($a->config[$uid][$family][$key]);
-	$ret = q("DELETE FROM `pconfig` WHERE `uid` = %d AND `cat` = '%s' AND `k` = '%s' LIMIT 1",
+	$ret = q("DELETE FROM `pconfig` WHERE `uid` = %d AND `cat` = '%s' AND `k` = '%s'",
 		intval($uid),
 		dbesc($family),
 		dbesc($key)