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XPM3_FUNC :: <i>boolean</i> <b>is_alpha</b> ( <i>string</i> test [, <i>boolean</i> numeric [, <i>string</i> additional ]] )
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Returns TRUE if is alphabetic (lowercase and uppercase characters) ISO-8859-1, FALSE if not.

<i>boolean</i> numeric (including numbers) default value is: false

Example:
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// including numbers, space and dot
echo XPM3_FUNC::is_alpha('XPertMailer V.3 for PHP5', true, ' .') ? 'True' : 'False';
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Last update: Tuesday, January 16, 2007

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