Nyall Dawson bd9e02be95 Add alias support for expression functions
Standardise naming of all internal functions to lowercase with
underscore convention. Add aliases for old names to avoid
breakage.
2015-05-03 20:57:36 +10:00

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<h3>to_int() function</h3>
Converts a string to integer number. Nothing changed if a value cannot be converted to integer (e.g '123asd' is invalid).
<p><h4>Syntax</h4>
to_int(<i>string</i>)</p>
<p><h4>Arguments</h4>
<!-- List args for functions here-->
<i> string</i> &rarr; is string. The String to convert to integer number.</p>
<p><h4>Example</h4>
<!-- Show example of function.-->
to_int('123') &rarr; 123</p>