reference/ctype/functions/ctype-xdigit.xml
e20e74073379710a4f6316734c42996c8fbf9beb
e20e74073379710a4f6316734c42996c8fbf9beb
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&reftitle.description;
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<methodsynopsis>
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<type>bool</type><methodname>ctype_xdigit</methodname>
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<methodparam><type>string</type><parameter>text</parameter></methodparam>
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<methodparam><type>mixed</type><parameter>text</parameter></methodparam>
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</methodsynopsis>
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<para>
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Checks if all of the characters in the provided <type>string</type>,
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<listitem>
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<para>
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The tested string.
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¬e.ctype.parameter.integer;
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¬e.ctype.parameter.non-string;
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</para>
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</listitem>
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</varlistentry>
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Returns &true; if every character in <parameter>text</parameter> is
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a hexadecimal 'digit', that is a decimal digit or a character from
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<literal>[A-Fa-f]</literal> , &false; otherwise.
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&ctype.result.empty-string;
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</para>
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</refsect1>
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@@ -77,16 +80,12 @@ The string ab12bc99 consists of all hexadecimal digits.
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</para>
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</refsect1>
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<refsect1 role="notes">
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&reftitle.notes;
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¬e.ctype.parameter.integer;
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</refsect1>
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<refsect1 role="seealso">
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&reftitle.seealso;
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<para>
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<simplelist>
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<member><function>ctype_digit</function></member>
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<member><function>IntlChar::isxdigit</function></member>
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</simplelist>
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</para>
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</refsect1>
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