X-Git-Url: https://git.mxchange.org/?a=blobdiff_plain;f=include%2Fdbm.php;h=d28d49d63b4b53647392f5d6c928fdba5b76d3bf;hb=291906de5f3074407253241e5ccbb5af633e0c22;hp=f68987c2356d23a016bfdc4a0546c0f1d25d9f37;hpb=4914e8826beb8dc8853580e383f60538158707b0;p=friendica.git

diff --git a/include/dbm.php b/include/dbm.php
index f68987c235..d28d49d63b 100644
--- a/include/dbm.php
+++ b/include/dbm.php
@@ -1,18 +1,31 @@
 <?php
+/**
+ * @brief This class contain functions for the database management
+ *
+ */
 class dbm {
+	/**
+	 * @brief Return a list of database processes
+	 *
+	 * @return array
+	 *      'list' => List of processes, separated in their different states
+	 *      'amount' => Number of concurrent database processes
+	 */
 	public static function processlist() {
 		$r = q("SHOW PROCESSLIST");
 		$s = array();
 
+		$processes = 0;
 		$states = array();
 		foreach ($r AS $process) {
 			$state = trim($process["State"]);
-			if (!in_array($state, array("", "init", "statistics")))
+
+			// Filter out all non blocking processes
+			if (!in_array($state, array("", "init", "statistics", "updating"))) {
 				++$states[$state];
+				++$processes;
+			}
 		}
-		// query end
-		// Sending data
-		// updating
 
 		$statelist = "";
 		foreach ($states AS $state => $usage) {
@@ -20,7 +33,75 @@ class dbm {
 				$statelist .= ", ";
 			$statelist .= $state.": ".$usage;
 		}
-		return($statelist);
+		return(array("list" => $statelist, "amount" => $processes));
+	}
+
+	/**
+	 * Checks if $array is a filled array with at least one entry.
+	 *
+	 * @param       $array  mixed   A filled array with at least one entry
+	 * @return      Whether $array is a filled array
+	 */
+	public static function is_result($array) {
+		// It could be a return value from an update statement
+		if (is_bool($array)) {
+			return $array;
+		}
+		return (is_array($array) && count($array) > 0);
+	}
+
+	/**
+	 * @brief Callback function for "esc_array"
+	 *
+	 * @param mixed $value Array value
+	 * @param string $key Array key
+	 * @param boolean $add_quotation add quotation marks for string values
+	 */
+	private static function esc_array_callback(&$value, $key, $add_quotation) {
+
+		if (!$add_quotation) {
+			if (is_bool($value)) {
+				$value = ($value ? '1' : '0');
+			} else {
+				$value = dbesc($value);
+			}
+			return;
+		}
+
+		if (is_bool($value)) {
+			$value = ($value ? 'true' : 'false');
+		} elseif (is_float($value) OR is_integer($value)) {
+			$value = (string)$value;
+		} else {
+			 $value = "'".dbesc($value)."'";
+		}
+	}
+
+	/**
+	 * @brief Escapes a whole array
+	 *
+	 * @param mixed $arr Array with values to be escaped
+	 * @param boolean $add_quotation add quotation marks for string values
+	 */
+	public static function esc_array(&$arr, $add_quotation = false) {
+		array_walk($arr, 'self::esc_array_callback', $add_quotation);
+	}
+
+	/**
+	 * Checks Converts any date string into a SQL compatible date string
+	 *
+	 * @param string $date a date string in any format
+	 * @return string SQL style date string
+	 */
+	public static function date($date = 'now') {
+		$timestamp = strtotime($date);
+
+		// Don't allow lower date strings as '0001-01-01 00:00:00'
+		if ($timestamp < -62135596800) {
+			$timestamp = -62135596800;
+		}
+
+		return date('Y-m-d H:i:s', $timestamp);
 	}
 }
 ?>