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A form I'm working on started giving me a WSOD when I opened it to edit.
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 Fatal error: Maximum execution time of 30 seconds exceeded in
/.../public_html/libraries/cegcore2/helpers/data_loader.php on
line 148

Other simpler forms open as usual.
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I doubled the max_executiion_time parameter in php.ini but it is not always possible to change it (it depends on the server or the host).
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This is the culprit code:

 private function textarea(&$html){
 //textarea fields
 $pattern = '/<textarea([^>]*?)>(.*?)<\/textarea>/is';
 preg_match_all($pattern, $html, $matches);
 
 if(!empty($matches)){
 foreach($matches[0] as $field){
 if(strpos($field, 'data-ghost=') !== false){
 continue;
 }
 
 preg_match($this->name_pattern, $field, $name_attr);
 if(!empty($name_attr[2])){
 $field_name = $name_attr[2];
 $data_value = $this->getValue($field_name);
 
 if($data_value !== false){
 $updated_field = preg_replace($this->textarea_pattern, '${1}'.str_replace(['\\', '$'], ['\\\\', '\$'], $data_value).'${4}', $field);
 $html = str_replace($field, $updated_field, $html); //  <<<---
 }
 }
 }
 }
 }

I don't understand how a str_replace function could exceed 30 seconds substituting text on some element of a form.
​
The form loaded as expected until 2 or 3 days ago so probably something was changed by a sysadmin on that server but I suspect there's something else here.
​
bye
maxx

My apologies, I didn't see a previous thread about the same problem: https://www.chronoengine.com/forums/posts/t103673/max-execution-error-when-form-gets-large
​
maxx