Question

I have:

$filename =  basename(__FILE__);
$id = preg_replace("/\\.[^.\\s]{3,4}$/", "", $filename);

$id is filename without extension now. How can I remove not only extension but prefix and suffix from the file too?

prefix_ineedthis_suffix.php -> ineedthis

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Update: Thanks for your answers! Unfortunately, I can mark only one answer as answer.

Answer 1

$prefix = 'prefix_';
$suffix = '_suffix';

$pattern = sprintf('/%s(.+)%s/i', $prefix, $suffix);

if (preg_match($pattern, $filename, $matches)) {
    $id = $matches[1];
}