reference/var/functions/is-float.xml
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f044a792f0041c0f4335d9467ca73115d8a8ee00
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</refnamediv>
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<refsect1 role="description">
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&reftitle.description;
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<methodsynopsis>
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<type>bool</type><methodname>is_float</methodname>
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<methodparam><type>mixed</type><parameter>var</parameter></methodparam>
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</methodsynopsis>
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<methodsynopsis>
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<type>bool</type><methodname>is_float</methodname>
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<methodparam><type>mixed</type><parameter>value</parameter></methodparam>
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</methodsynopsis>
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<para>
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Finds whether the type of the given variable is float.
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</para>
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<para>
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<variablelist>
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<varlistentry>
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<term><parameter>var</parameter></term>
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<term><parameter>value</parameter></term>
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<listitem>
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<para>
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The variable being evaluated.
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<refsect1 role="returnvalues">
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&reftitle.returnvalues;
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<para>
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Returns &true; if <parameter>var</parameter> is a <type>float</type>,
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Returns &true; if <parameter>value</parameter> is a <type>float</type>,
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&false; otherwise.
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</para>
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</refsect1>
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<programlisting role="php">
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<![CDATA[
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<?php
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if (is_float(27.25)) {
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echo "is float\n";
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} else {
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echo "is not float\n";
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}
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var_dump(is_float(27.25));
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var_dump(is_float('abc'));
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var_dump(is_float(23));
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var_dump(is_float(23.5));
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&example.outputs;
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<screen>
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<![CDATA[
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is float
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bool(true)
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bool(false)
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bool(false)
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bool(true)
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</para>
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</refsect1>
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</refentry>
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<!-- Keep this comment at the end of the file
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Local variables:
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mode: sgml
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