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ctype_alnum()

« crypt | ctype_alpha »
<?php
$bool 
ctype_alnum (
    
  // string $text
);
?>
Result
$bool = false
Examples
#1 ctype_alnum  ("AbCd1zyZ9")
#2 ctype_alnum  ('foo!#$bar')
See also
ctype_alpha, ctype_digit, setlocale