Patch: AJAX template form error when using typographic quotation marks in certain fields
>>> [!note] Migrated issue
<!-- Drupal.org comment -->
<!-- Migrated from issue #2567807. -->
Reported by: [solipsist](https://www.drupal.org/user/37564)
>>>
<p>This module creates an identifier which is used in the form by combining the name of the template used and the value of template fields:</p>
<pre><span style="color: #000000"><span style="color: #0000BB"><?php<br> </span><span style="color: #FF8000">// See if we can generate a unique title for the template collapsible region<br> // by concatenating the text value of the first few fields.<br> </span><span style="color: #007700">if (!empty(</span><span style="color: #0000BB">$values</span><span style="color: #007700">[</span><span style="color: #DD0000">'template_name'</span><span style="color: #007700">])) {<br> </span><span style="color: #0000BB">$name_identifier </span><span style="color: #007700">= </span><span style="color: #DD0000">''</span><span style="color: #007700">;<br> </span><span style="color: #0000BB">$template_name </span><span style="color: #007700">= </span><span style="color: #0000BB">$values</span><span style="color: #007700">[</span><span style="color: #DD0000">'template_name'</span><span style="color: #007700">];<br> </span><span style="color: #0000BB">$template_title </span><span style="color: #007700">= </span><span style="color: #0000BB">t</span><span style="color: #007700">(</span><span style="color: #DD0000">'Template: '</span><span style="color: #007700">) . </span><span style="color: #0000BB">$options</span><span style="color: #007700">[</span><span style="color: #0000BB">$template_name</span><span style="color: #007700">];<br> </span><span style="color: #0000BB">$template_title </span><span style="color: #007700">= </span><span style="color: #0000BB">str_replace</span><span style="color: #007700">(</span><span style="color: #DD0000">'“'</span><span style="color: #007700">, </span><span style="color: #DD0000">''</span><span style="color: #007700">, </span><span style="color: #0000BB">$template_name</span><span style="color: #007700">); </span><span style="color: #FF8000">//FIX<br><br> </span><span style="color: #0000BB">TEMPLATE_FIELD_MAX_DISPLAY_TITLE_LENGTH</span><span style="color: #007700">;<br> if (isset(</span><span style="color: #0000BB">$values</span><span style="color: #007700">[</span><span style="color: #DD0000">'data'</span><span style="color: #007700">])) {<br> foreach (</span><span style="color: #0000BB">$values</span><span style="color: #007700">[</span><span style="color: #DD0000">'data'</span><span style="color: #007700">] as </span><span style="color: #0000BB">$field_name </span><span style="color: #007700">=> </span><span style="color: #0000BB">$field_info</span><span style="color: #007700">) {<br> </span><span style="color: #0000BB">$text </span><span style="color: #007700">= </span><span style="color: #0000BB">reset</span><span style="color: #007700">(</span><span style="color: #0000BB">$field_info</span><span style="color: #007700">);<br> if (</span><span style="color: #0000BB">is_object</span><span style="color: #007700">(</span><span style="color: #0000BB">$text</span><span style="color: #007700">)) {<br> continue;<br> }<br> if (</span><span style="color: #0000BB">is_array</span><span style="color: #007700">(</span><span style="color: #0000BB">$text</span><span style="color: #007700">)) {<br> </span><span style="color: #FF8000">// Special handling for text fields with format info<br> </span><span style="color: #007700">if (</span><span style="color: #0000BB">array_key_exists</span><span style="color: #007700">(</span><span style="color: #DD0000">'value'</span><span style="color: #007700">, </span><span style="color: #0000BB">$text</span><span style="color: #007700">) && </span><span style="color: #0000BB">array_key_exists</span><span style="color: #007700">(</span><span style="color: #DD0000">'format'</span><span style="color: #007700">, </span><span style="color: #0000BB">$text</span><span style="color: #007700">)) {<br> </span><span style="color: #0000BB">$name_identifier </span><span style="color: #007700">.= </span><span style="color: #0000BB">strip_tags</span><span style="color: #007700">(</span><span style="color: #0000BB">$text</span><span style="color: #007700">[</span><span style="color: #DD0000">'value'</span><span style="color: #007700">]) . </span><span style="color: #DD0000">' '</span><span style="color: #007700">;<br> }<br> else {<br> continue;<br> }<br> }<br> else {<br> </span><span style="color: #0000BB">$name_identifier </span><span style="color: #007700">.= </span><span style="color: #0000BB">reset</span><span style="color: #007700">(</span><span style="color: #0000BB">$field_info</span><span style="color: #007700">) . </span><span style="color: #DD0000">' '</span><span style="color: #007700">;<br> }<br> if (</span><span style="color: #0000BB">strlen</span><span style="color: #007700">(</span><span style="color: #0000BB">$name_identifier</span><span style="color: #007700">) > </span><span style="color: #0000BB">TEMPLATE_FIELD_MAX_DISPLAY_TITLE_LENGTH</span><span style="color: #007700">) {<br> </span><span style="color: #0000BB">$name_identifier </span><span style="color: #007700">= </span><span style="color: #0000BB">substr</span><span style="color: #007700">(</span><span style="color: #0000BB">$name_identifier</span><span style="color: #007700">, </span><span style="color: #0000BB">0</span><span style="color: #007700">, </span><span style="color: #0000BB">TEMPLATE_FIELD_MAX_DISPLAY_TITLE_LENGTH</span><span style="color: #007700">);<br> break;<br> }<br> }<br> }<br></span><span style="color: #0000BB">?></span></span></pre><p>Problem is, it doesn't check if those fields contain characters that cannot be properly escaped or encoded. A typographic quote (“) causes the following JavaScript error: Uncaught Syntax error, unrecognized expression.</p>
<p>This patch attempts to turn the field value into something machine-readable.</p>
issue
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