mirror of https://github.com/friendica/friendica
30 lines
824 B
PHP
30 lines
824 B
PHP
<?php
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/**
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* Primitive email validation class based on the regexp found at
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* http://www.regular-expressions.info/email.html
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*/
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class HTMLPurifier_AttrDef_URI_Email_SimpleCheck extends HTMLPurifier_AttrDef_URI_Email
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{
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/**
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* @param string $string
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* @param HTMLPurifier_Config $config
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* @param HTMLPurifier_Context $context
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* @return bool|string
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*/
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public function validate($string, $config, $context)
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{
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// no support for named mailboxes i.e. "Bob <bob@example.com>"
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// that needs more percent encoding to be done
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if ($string == '') {
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return false;
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}
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$string = trim($string);
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$result = preg_match('/^[A-Z0-9._%-]+@[A-Z0-9.-]+\.[A-Z]{2,4}$/i', $string);
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return $result ? $string : false;
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}
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}
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// vim: et sw=4 sts=4
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