reference/mbstring/constants.xml
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<varlistentry xml:id="constant.mb-overload-mail">
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<term>
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<constant>MB_OVERLOAD_MAIL</constant>
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(<type>integer</type>)
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(<type>int</type>)
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</term>
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<listitem>
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<simpara>
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Removed as of PHP 8.0.0.
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</simpara>
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</listitem>
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</varlistentry>
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<varlistentry xml:id="constant.mb-overload-string">
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<term>
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<constant>MB_OVERLOAD_STRING</constant>
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(<type>integer</type>)
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(<type>int</type>)
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</term>
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<listitem>
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<simpara>
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Removed as of PHP 8.0.0.
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</simpara>
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</listitem>
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</varlistentry>
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<varlistentry xml:id="constant.mb-overload-regex">
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<term>
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<constant>MB_OVERLOAD_REGEX</constant>
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(<type>integer</type>)
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(<type>int</type>)
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</term>
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<listitem>
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<simpara>
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Removed as of PHP 8.0.0.
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</simpara>
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</listitem>
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</varlistentry>
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<varlistentry xml:id="constant.mb-case-upper">
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<term>
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<constant>MB_CASE_UPPER</constant>
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(<type>integer</type>)
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(<type>int</type>)
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</term>
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<listitem>
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<simpara>
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Performs a full upper-case folding.
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This may change the length of the string.
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This is the mode used by mb_strtoupper().
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</simpara>
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</listitem>
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</varlistentry>
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<varlistentry xml:id="constant.mb-case-lower">
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<term>
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<constant>MB_CASE_LOWER</constant>
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(<type>integer</type>)
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(<type>int</type>)
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</term>
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<listitem>
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<simpara>
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Performs a full lower-case folding.
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This may change the length of the string.
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This is the mode used by mb_strtolower().
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</simpara>
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</listitem>
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</varlistentry>
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<varlistentry xml:id="constant.mb-case-title">
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<term>
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<constant>MB_CASE_TITLE</constant>
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(<type>integer</type>)
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(<type>int</type>)
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</term>
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<listitem>
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<simpara>
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Performs a full title-case conversion based on the Cased and CaseIgnorable
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derived Unicode properties.
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In particular this improves handling of quotes and apostrophes.
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This may change the length of the string.
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</simpara>
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</listitem>
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</varlistentry>
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<varlistentry xml:id="constant.mb-case-fold">
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<term>
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<constant>MB_CASE_FOLD</constant>
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(<type>int</type>)
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</term>
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<listitem>
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<simpara>
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Performs a full case fold conversion which removes case distinctions
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present in the string.
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This is used for caseless matching.
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This may change the length of the string.
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Available since PHP 7.3.
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</simpara>
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</listitem>
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</varlistentry>
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<varlistentry xml:id="constant.mb-case-lower-simple">
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<term>
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<constant>MB_CASE_LOWER_SIMPLE</constant>
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(<type>int</type>)
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</term>
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<listitem>
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<simpara>
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Performs a simple lower-case fold conversion.
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This does not change the length of the string.
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Available as of PHP 7.3.
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</simpara>
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</listitem>
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</varlistentry>
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<varlistentry xml:id="constant.mb-case-upper-simple">
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<term>
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<constant>MB_CASE_UPPER_SIMPLE</constant>
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(<type>int</type>)
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</term>
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<listitem>
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<simpara>
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Performs simple upper-case fold conversion.
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This does not change the length of the string.
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Available as of PHP 7.3.
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</simpara>
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</listitem>
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</varlistentry>
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<varlistentry xml:id="constant.mb-case-title-simple">
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<term>
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<constant>MB_CASE_TITLE_SIMPLE</constant>
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(<type>int</type>)
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</term>
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<listitem>
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<simpara>
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Performs simple title-case fold conversion.
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This does not change the length of the string.
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Available as of PHP 7.3.
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</simpara>
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</listitem>
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</varlistentry>
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<varlistentry xml:id="constant.mb-case-fold-simple">
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<term>
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<constant>MB_CASE_FOLD_SIMPLE</constant>
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(<type>int</type>)
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</term>
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<listitem>
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<simpara>
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Performs a simple case fold conversion which removes case distinctions
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present in the string.
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This is used for caseless matching.
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This does not change the length of the string.
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Used by case-insensitive operations internally by the MBString extension.
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Available as of PHP 7.3.
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</simpara>
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</listitem>
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</varlistentry>
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<varlistentry xml:id="constant.mb-oniguruma-version">
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<term>
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<constant>MB_ONIGURUMA_VERSION</constant>
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(<type>string</type>)
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</term>
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<listitem>
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<simpara>
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The Oniguruma version, e.g. <literal>6.9.4</literal>.
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Available as of PHP 7.4.
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</simpara>
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</listitem>
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</varlistentry>
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</variablelist>
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</appendix>
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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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