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<?php
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function slugify($string, $maxlength = 50) {
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return preg_replace([
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'\s+',
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'[^a-z0-9\-_]'
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], [
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'-',
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''
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],
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strtolower(trim($string))
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);
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}
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function escape4xml($string) {
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return htmlspecialchars($string, ENT_QUOTES | ENT_XML1);
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}
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