1 files changed, 32 insertions, 0 deletions
diff --git a/includes/view-helpers/select_field.php b/includes/view-helpers/select_field.php
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+++ b/includes/view-helpers/select_field.php
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+<?php
+// SPDX-FileCopyrightText: 2021 Andrea Chirulescu <andrea.chirulescu@gmail.com>
+// SPDX-FileCopyrightText: 2021 Harald Eilertsen <haraldei@anduin.net>
+//
+// SPDX-License-Identifier: AGPL-3.0-or-later
+
+namespace EternalTerror\ViewHelpers;
+
+/**
+ * Return HTML code for a selction box with the given options and preselected value.
+ *
+ * @param string    $name     The name attribute for the selection box
+ * @param array     $opts     The options as arrays of [value, label] pairs
+ * @param mixed|int $selected The value of the preselected option, or null if no
+ *                            option is preselected.
+ * @param string    $blank    Text to use for "no selection", defaults to "Please
+ *                            select..."
+ * @return string
+ */
+function select_field(
+    string $name,
+    ?array $opts = [],
+    $selected = null,
+    string $blank = "Please select...") : string
+{
+    $body = "<option value=\"\">{$blank}</option>";
+    foreach ($opts as $opt) {
+        $sel = selected($selected, $opt[0], false);
+        $body .= "<option value=\"{$opt[0]}\"{$sel}>{$opt[1]}</option>";
+    }
+    return "<select name=\"{$name}\">{$body}</select>";
+}