repo_zf1/documentation/manual/en/module_specs/Zend_Validate-GreaterThan.xml

<?xml version="1.0" encoding="UTF-8"?>
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<sect2 id="zend.validate.set.greaterthan">
    <title>GreaterThan</title>

    <para>
        <classname>Zend_Validate_GreaterThan</classname> allows you to validate if a given value is
        greater than a minimum border value.
    </para>

    <note>
        <title>Zend_Validate_GreaterThan supports only number validation</title>

        <para>
            It should be noted that Zend_Validate_GreaterThan supports only the validation of
            numbers. Strings or dates can not be validated with this validator.
        </para>
    </note>

    <sect3 id="zend.validate.set.greaterthan.options">
        <title>Supported options for Zend_Validate_GreaterThan</title>

        <para>
            The following options are supported for <classname>Zend_Validate_GreaterThan</classname>:
        </para>

        <itemizedlist>
            <listitem>
                <para>
                    <emphasis><property>min</property></emphasis>: Sets the minimum allowed value.
                </para>
            </listitem>
        </itemizedlist>
    </sect3>

    <sect3 id="zend.validate.set.greaterthan.basic">
        <title>Basic usage</title>

        <para>
            To validate if a given value is greater than a defined border simply use the following
            example.
        </para>

        <programlisting language="php"><![CDATA[
$valid  = new Zend_Validate_GreaterThan(array('min' => 10));
$value  = 10;
$return = $valid->isValid($value);
// returns true
]]></programlisting>

        <para>
            The above example returns <constant>TRUE</constant> for all values which are equal to 10
            or greater than 10.
        </para>
    </sect3>
</sect2>
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