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PHP : Function Reference : Character Type Functions : ctype_alpha

ctype_alpha

Check for alphabetic character(s) (PHP 4 >= 4.0.4, PHP 5)
bool ctype_alpha ( string text )

Example 417. A ctype_alpha() example (using the default locale)

<?php
$strings
= array('KjgWZC', 'arf12');
foreach (
$strings as $testcase) {
   if (
ctype_alpha($testcase)) {
       echo
"The string $testcase consists of all letters.\n";
   } else {
       echo
"The string $testcase does not consist of all letters.\n";
   }
}
?>

The above example will output:

The string KjgWZC consists of all letters.
The string arf12 does not consist of all letters.

Code Examples / Notes » ctype_alpha

lxg

A little replacement function:
<?php
if ( !function_exists('ctype_alpha') ) {
function ctype_alpha($string) {
if ( !preg_match('|[^\pL]|', $string) )
/* alternative: */ // if ( !preg_match('|[^A-Za-z]|', $string) )
return true;
else
return false;
}
}
?>


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ctype_alnum
ctype_alpha
ctype_cntrl
ctype_digit
ctype_graph
ctype_lower
ctype_print
ctype_punct
ctype_space
ctype_upper
ctype_xdigit
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