upgrade Smarty 3.1.12 -> 3.1.48 to fix each() deprecation

src/includes/smarty-3.1.48/libs/plugins/block.textformat.php

@@ -0,0 +1,121 @@
+<?php
+/**
+ * Smarty plugin to format text blocks
+ *
+ * @package    Smarty
+ * @subpackage PluginsBlock
+ */
+/**
+ * Smarty {textformat}{/textformat} block plugin
+ * Type:     block function
+ * Name:     textformat
+ * Purpose:  format text a certain way with preset styles
+ *           or custom wrap/indent settings
+ * Params:
+ *
+ * - style         - string (email)
+ * - indent        - integer (0)
+ * - wrap          - integer (80)
+ * - wrap_char     - string ("\n")
+ * - indent_char   - string (" ")
+ * - wrap_boundary - boolean (true)
+ *
+ * @link   http://www.smarty.net/manual/en/language.function.textformat.php {textformat}
+ *         (Smarty online manual)
+ *
+ * @param array                    $params   parameters
+ * @param string                   $content  contents of the block
+ * @param Smarty_Internal_Template $template template object
+ * @param boolean                  &$repeat  repeat flag
+ *
+ * @return string content re-formatted
+ * @author Monte Ohrt <monte at ohrt dot com>
+ * @throws \SmartyException
+ */
+function smarty_block_textformat($params, $content, Smarty_Internal_Template $template, &$repeat)
+{
+    if (is_null($content)) {
+        return;
+    }
+    if (Smarty::$_MBSTRING) {
+        $template->_checkPlugins(
+            array(
+                array(
+                    'function' => 'smarty_modifier_mb_wordwrap',
+                    'file'     => SMARTY_PLUGINS_DIR . 'modifier.mb_wordwrap.php'
+                )
+            )
+        );
+    }
+    $style = null;
+    $indent = 0;
+    $indent_first = 0;
+    $indent_char = ' ';
+    $wrap = 80;
+    $wrap_char = "\n";
+    $wrap_cut = false;
+    $assign = null;
+    foreach ($params as $_key => $_val) {
+        switch ($_key) {
+            case 'style':
+            case 'indent_char':
+            case 'wrap_char':
+            case 'assign':
+                $$_key = (string)$_val;
+                break;
+            case 'indent':
+            case 'indent_first':
+            case 'wrap':
+                $$_key = (int)$_val;
+                break;
+            case 'wrap_cut':
+                $$_key = (bool)$_val;
+                break;
+            default:
+                trigger_error("textformat: unknown attribute '{$_key}'");
+        }
+    }
+    if ($style === 'email') {
+        $wrap = 72;
+    }
+    // split into paragraphs
+    $_paragraphs = preg_split('![\r\n]{2}!', $content);
+    foreach ($_paragraphs as &$_paragraph) {
+        if (!$_paragraph) {
+            continue;
+        }
+        // convert mult. spaces & special chars to single space
+        $_paragraph =
+            preg_replace(
+                array(
+                    '!\s+!' . Smarty::$_UTF8_MODIFIER,
+                    '!(^\s+)|(\s+$)!' . Smarty::$_UTF8_MODIFIER
+                ),
+                array(
+                    ' ',
+                    ''
+                ),
+                $_paragraph
+            );
+        // indent first line
+        if ($indent_first > 0) {
+            $_paragraph = str_repeat($indent_char, $indent_first) . $_paragraph;
+        }
+        // wordwrap sentences
+        if (Smarty::$_MBSTRING) {
+            $_paragraph = smarty_modifier_mb_wordwrap($_paragraph, $wrap - $indent, $wrap_char, $wrap_cut);
+        } else {
+            $_paragraph = wordwrap($_paragraph, $wrap - $indent, $wrap_char, $wrap_cut);
+        }
+        // indent lines
+        if ($indent > 0) {
+            $_paragraph = preg_replace('!^!m', str_repeat($indent_char, $indent), $_paragraph);
+        }
+    }
+    $_output = implode($wrap_char . $wrap_char, $_paragraphs);
+    if ($assign) {
+        $template->assign($assign, $_output);
+    } else {
+        return $_output;
+    }
+}