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)

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<?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:

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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; } } ?>

Change Language

ctype_alnum
ctype_alpha
ctype_cntrl
ctype_digit
ctype_graph
ctype_lower
ctype_print
ctype_punct
ctype_space
ctype_upper
ctype_xdigit

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)

Code Examples / Notes » ctype_alpha

Change Language

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