...

...

@@ -23,7 +23,7 @@

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<para>

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<productname>libmbfl</productname> is necessary for <literal>mbstring</literal>.

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<productname>libmbfl</productname> is bundled with <literal>mbstring</literal>.

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-

If <productname>libmbfl</productname> is already installed on the system,

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+

Prior to PHP 7.3.0, if <productname>libmbfl</productname> is already installed on the system,

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<option role="configure">--with-libmbfl[=DIR]</option> can be specified to use

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the installed library.

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</para>

...

...

@@ -33,6 +33,19 @@

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<option role="configure">--disable-mbregex</option>: Disable

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regular expression functions with multibyte character support.

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35

</para>

36

+

<para>

37

+

<productname>Oniguruma</productname> is necessary for the regular

38

+

expression functions with multibyte character support.

39

+

As of PHP 7.4.0, pkg-config is used to detect the libonig library.

40

+

Prior to PHP 7.4.0, <productname>Oniguruma</productname> was bundled with

41

+

<literal>mbstring</literal>, but it was possible to build against an already

42

+

installed libonig by passing <option role="configure">--with-onig[=DIR]</option>.

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+

</para>

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+

<para>

45

+

It is possible to disable the multibyte regex backtrack

46

+

check by specifying <option

47

+

role="configure">--disable-mbregex-backtrack</option>.

48

+

</para>

36

49

</listitem>

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50

</itemizedlist>

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51

</para>

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52