Add lastId Method (#19)

pear · Nov 4, 2023 · 90010c5 · 90010c5
1 parent 7e1ced2
commit 90010c5
Show file tree

Hide file tree

Showing 3 changed files with 63 additions and 0 deletions.
diff --git a/DB/common.php b/DB/common.php
@@ -1808,6 +1808,23 @@ function nextId($seq_name, $ondemand = true)
         return $this->raiseError(DB_ERROR_NOT_CAPABLE);
     }
 
+    // }}}
+    // {{{ lastId()
+
+    /**
+     * Returns the row ID of the most recent INSERT into the database
+     *
+     * @param string  $link_identifier  DBMS link identifier
+     *
+     * @return int the row ID of the most recent INSERT into the database.
+     *             If no successful INSERTs into rowid tables have ever
+     *             occurred on this database connection then returns 0.
+     */
+    function lastId($link_identifier = null)
+    {
+        return $this->raiseError(DB_ERROR_NOT_CAPABLE);
+    }
+
     // }}}
     // {{{ createSequence()
 

diff --git a/DB/mysql.php b/DB/mysql.php
@@ -653,6 +653,29 @@ function nextId($seq_name, $ondemand = true)
         return $this->raiseError($result);
     }
 
+    // }}}
+    // {{{ lastId()
+
+    /**
+     * Returns the row ID of the most recent INSERT into the database
+     *
+     * @param string  $link_identifier mysql link identifier
+     *
+     * @return int the row ID of the most recent INSERT into the database.
+     *             If no successful INSERTs into rowid tables have ever
+     *             occurred on this database connection then returns 0.
+     *
+     * @see DB_common::lastID()
+     */
+    function lastId($link_identifier = null)
+    {
+        $id = mysql_insert_id($link_identifier);
+        if(empty($id) || !is_int($id)) {
+            return 0;
+        }
+        return $id;
+    }
+
     // }}}
     // {{{ createSequence()
 

diff --git a/DB/mysqli.php b/DB/mysqli.php
@@ -746,6 +746,29 @@ function nextId($seq_name, $ondemand = true)
         return $this->raiseError($result);
     }
 
+    // }}}
+    // {{{ lastId()
+
+    /**
+     * Returns the row ID of the most recent INSERT into the database
+     *
+     * @param string  $link_identifier mysqli link identifier
+     *
+     * @return int the row ID of the most recent INSERT into the database.
+     *             If no successful INSERTs into rowid tables have ever
+     *             occurred on this database connection then returns 0.
+     *
+     * @see DB_common::lastID()
+     */
+    function lastId($link_identifier = null)
+    {
+        $id = $this->connection->insert_id();
+        if(empty($id) || !is_int($id)) {
+            return 0;
+        }
+        return $id;
+    }
+
     /**
      * Creates a new sequence
      *