reference/math/functions/hexdec.xml
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86e6094e86b84a51d00ab217ac50ce8dde33d82a
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<refsect1 role="description">
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&reftitle.description;
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<methodsynopsis>
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<type>number</type><methodname>hexdec</methodname>
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<type class="union"><type>int</type><type>float</type></type><methodname>hexdec</methodname>
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<methodparam><type>string</type><parameter>hex_string</parameter></methodparam>
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</methodsynopsis>
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<para>
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<para>
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<function>hexdec</function> will ignore any non-hexadecimal
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characters it encounters.
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As of PHP 7.4.0 supplying any invalid characters is deprecated.
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</para>
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</refsect1>
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<refsect1 role="parameters">
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The decimal representation of <parameter>hex_string</parameter>
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</para>
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</refsect1>
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<refsect1 role="changelog">
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&reftitle.changelog;
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<informaltable>
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<tgroup cols="2">
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<thead>
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<row>
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<entry>&Version;</entry>
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<entry>&Description;</entry>
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</row>
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</thead>
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<tbody>
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<row>
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<entry>7.4.0</entry>
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<entry>
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Passing invalid characters will now generate a deprecation notice.
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The result will still be computed as if the invalid characters did not exist.
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</entry>
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</row>
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</tbody>
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</tgroup>
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</informaltable>
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</refsect1>
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<refsect1 role="examples">
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&reftitle.examples;
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<para>
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<note>
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<para>
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The function can convert numbers that are too large to fit into the platforms
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<type>integer</type> type, larger values are returned as <type>float</type> in
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<type>int</type> type, larger values are returned as <type>float</type> in
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that case.
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</para>
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</note>
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