47 lines
1.0 KiB
PHP
47 lines
1.0 KiB
PHP
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<?php
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/**
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* Check password strength (1/2)
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* @param string $password password to check
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* @return bool - true or false
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*/
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function isStrongPassword(string $password): bool
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{
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// min. 8 Zeichen, 1 Kleinbuchstabe, 1 Großbuchstabe, 1 Zahl, 1 Sonderzeichen
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return (bool) preg_match(
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'/^(?=.*[a-z])(?=.*[A-Z])(?=.*\d)(?=.*[^a-zA-Z0-9]).{8,}$/',
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$password
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);
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}
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/**
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* Check password strength (2/2)
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* @param string $password password to check
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* @return bool - true or false
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*/
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function checkPasswordStrength(string $password): bool {
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$strength = 0;
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//check length
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$length = strlen($password);
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if($length >= 8) $strength++;
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//check if caps
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if(preg_match('/[A-Z]/', $password)) $strength++;
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//check if lower cases
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if(preg_match('/[a-z]/', $password)) $strength++;
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//check if numbers
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if(preg_match('/[0-9]/', $password)) $strength++;
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//check if spec. chars
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if(preg_match('/[^a-zA-Z0-9]/', $password)) $strength++;
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return($strength >= 5);
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} |