MySQL: Do not show 'empty' enum value in strict mode

adminer/drivers/mssql.inc.php

@@ -630,6 +630,13 @@ WHERE sys1.xtype = 'TR' AND sys2.name = " . q($table)
 		return array();
 	}
 
+	/**
+	 * @return bool
+	 */
+	function is_strict_mode() {
+		return false;
+	}
+
 	function show_status() {
 		return array();
 	}

adminer/drivers/mysql.inc.php

@@ -1056,6 +1056,19 @@ if (!defined("DRIVER")) {
 		return get_key_vals("SHOW VARIABLES");
 	}
 
+	/**
+	 * @return bool
+	 */
+	function is_strict_mode() {
+		static $strictMode = null;
+
+		if ($strictMode === null) {
+			$strictMode = (bool)preg_match('~STRICT_(TRANS|ALL)_TABLES~', get_key_vals("SHOW VARIABLES LIKE 'sql_mode'")["sql_mode"]);
+		}
+
+		return $strictMode;
+	}
+
 	/** Get process list
 	* @return array ($row)
 	*/

adminer/drivers/oracle.inc.php

@@ -486,6 +486,13 @@ AND c_src.TABLE_NAME = " . q($table);
 		return get_key_vals('SELECT name, display_value FROM v$parameter');
 	}
 
+	/**
+	 * @return bool
+	 */
+	function is_strict_mode() {
+		return false;
+	}
+
 	function process_list() {
 		return get_rows('SELECT sess.process AS "process", sess.username AS "user", sess.schemaname AS "schema", sess.status AS "status", sess.wait_class AS "wait_class", sess.seconds_in_wait AS "seconds_in_wait", sql.sql_text AS "sql_text", sess.machine AS "machine", sess.port AS "port"
 FROM v$session sess LEFT OUTER JOIN v$sql sql

adminer/drivers/pgsql.inc.php

@@ -860,6 +860,13 @@ AND typelem = 0"
 		return get_key_vals("SHOW ALL");
 	}
 
+	/**
+	 * @return bool
+	 */
+	function is_strict_mode() {
+		return false;
+	}
+
 	function process_list() {
 		return get_rows("SELECT * FROM pg_stat_activity ORDER BY " . (min_version(9.2) ? "pid" : "procpid"));
 	}

adminer/drivers/sqlite.inc.php

@@ -764,6 +764,13 @@ if (isset($_GET["sqlite"]) || isset($_GET["sqlite2"])) {
 		return $return;
 	}
 
+	/**
+	 * @return bool
+	 */
+	function is_strict_mode() {
+		return false;
+	}
+
 	function show_status() {
 		$return = array();
 		foreach (get_vals("PRAGMA compile_options") as $option) {

adminer/include/functions.inc.php

@@ -914,13 +914,16 @@ function column_foreign_keys($table) {
 */
 function enum_input($type, $attrs, $field, $value, $empty = null) {
 	global $adminer;
+
+	$return = ($empty !== null && !is_strict_mode() ? "<label><input type='$type'$attrs value='$empty'" . ((is_array($value) ? in_array($empty, $value) : $value === 0) ? " checked" : "") . "><i>" . lang('empty') . "</i></label>" : "");
+
 	preg_match_all("~'((?:[^']|'')*)'~", $field["length"], $matches);
-	$return = ($empty !== null ? "<label><input type='$type'$attrs value='$empty'" . ((is_array($value) ? in_array($empty, $value) : $value === 0) ? " checked" : "") . "><i>" . lang('empty') . "</i></label>" : "");
 	foreach ($matches[1] as $i => $val) {
 		$val = stripcslashes(str_replace("''", "'", $val));
 		$checked = (is_int($value) ? $value == $i+1 : (is_array($value) ? in_array($i+1, $value) : $value === $val));
 		$return .= " <label><input type='$type'$attrs value='" . ($i+1) . "'" . ($checked ? ' checked' : '') . '>' . h($adminer->editVal($val, $field)) . '</label>';
 	}
+
 	return $return;
 }
 

plugins/enum-option.php

@@ -24,7 +24,9 @@ class AdminerEnumOption {
 					$selected = "";
 				}
 			}
-			$options[0] = lang('empty');
+			if (!is_strict_mode()) {
+				$options[0] = lang('empty');
+			}
 			preg_match_all("~'((?:[^']|'')*)'~", $field["length"], $matches);
 			foreach ($matches[1] as $i => $val) {
 				$val = stripcslashes(str_replace("''", "'", $val));