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Php ctype alpha () function

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(PHP 4 >= 4.0.4, PHP 5)

ctype_alpha -- Check for alphabetic character(s)

Syntax

bool ctype_alpha ( string text )

Checks if all of the characters in the provided string, text, are alphabetic. In the standard C locale letters are just [A-Za-z] and ctype_alpha() is equivalent to (ctype_upper($text) || ctype_lower($text)) if $text is just a single character, but other languages have letters that are considered neither upper nor lower case.

Parameters

text

The tested string.

Return Values

Returns TRUE if every character in text is a letter from the current locale, FALSE otherwise.

Examples

Example 1. 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 consists of all letters.

Php ctype alpha Function syntax tag

ctype alpha php code on this is provided for your study purpose, it will guide you to know how create and design a website using php. use it to practice and train your self online



Php ctype alpha syntax tutorial

php tutorial guide and code design are for easy learning and programming. The code practice section provided at the top is for practising of this syntax. Use the code section up to practice your php programming online. Learning php is very easy, all you need is to use the examples on this site and practice them to perfect your skills.


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