X-Git-Url: https://git.mxchange.org/?a=blobdiff_plain;f=include%2Fdbm.php;h=1be1647a4633f798ecf9da0420f5cfebed037ca4;hb=52226066022de840cb73424aab7d3a3348467de7;hp=6098dce739feec494587391382643249e39d4b4c;hpb=b429b856806fb0d0481c11a8630b36dbbea7aedf;p=friendica.git

diff --git a/include/dbm.php b/include/dbm.php
index 6098dce739..1be1647a46 100644
--- a/include/dbm.php
+++ b/include/dbm.php
@@ -2,6 +2,7 @@
 /**
  * @brief This class contain functions for the database management
  *
+ * This class contains functions that doesn't need to know if pdo, mysqli or whatever is used.
  */
 class dbm {
 	/**
@@ -40,14 +41,72 @@ class dbm {
 	 * 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
+	 * @return      Whether $array is a filled array or an object with rows
 	 */
 	public static function is_result($array) {
 		// It could be a return value from an update statement
 		if (is_bool($array)) {
 			return $array;
 		}
-		return (is_array($array) && count($array) > 0);
+
+		if (is_object($array)) {
+			return dba::num_rows($array) > 0;
+		}
+
+		return (is_array($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($value) || is_integer($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) {
+			$timestamp = -62135596800;
+		}
+
+		return date('Y-m-d H:i:s', (int)$timestamp);
 	}
 }
-?>