reference/pcre/constants.xml
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<tgroup cols="2">
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<thead>
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<row>
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<entry>constant</entry>
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<entry>description</entry>
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<entry>since</entry>
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<entry>&Constants;</entry>
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<entry>&Description;</entry>
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<entry>As of</entry>
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</row>
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</thead>
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<tbody>
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<row xml:id="constant.preg-pattern-order">
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<entry><constant>PREG_PATTERN_ORDER</constant></entry>
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<entry>
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<constant>PREG_PATTERN_ORDER</constant>
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(<type>int</type>)
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</entry>
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<entry>
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Orders results so that <varname>$matches[0]</varname> is an array of full pattern
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matches, <varname>$matches[1]</varname> is an array of strings matched by the first
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parenthesized subpattern, and so on. This flag is only used with
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<function>preg_match_all</function>.
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</entry>
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<entry></entry>
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<entry/>
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</row>
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<row xml:id="constant.preg-set-order">
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<entry><constant>PREG_SET_ORDER</constant></entry>
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<entry>
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<constant>PREG_SET_ORDER</constant>
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(<type>int</type>)
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</entry>
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<entry>
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Orders results so that <varname>$matches[0]</varname> is an array of first set of
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matches, <varname>$matches[1]</varname> is an array of second set of matches, and so
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on. This flag is only used with <function>preg_match_all</function>.
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</entry>
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<entry></entry>
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<entry/>
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</row>
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<row xml:id="constant.preg-offset-capture">
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<entry><constant>PREG_OFFSET_CAPTURE</constant></entry>
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<entry>
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<constant>PREG_OFFSET_CAPTURE</constant>
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(<type>int</type>)
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</entry>
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<entry>
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See the description of
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<constant>PREG_SPLIT_OFFSET_CAPTURE</constant>.
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</entry>
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<entry>4.3.0</entry>
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<entry/>
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</row>
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<row xml:id="constant.preg-split-no-empty">
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<entry><constant>PREG_SPLIT_NO_EMPTY</constant></entry>
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<entry>
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<constant>PREG_SPLIT_NO_EMPTY</constant>
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(<type>int</type>)
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</entry>
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<entry>
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This flag tells <function>preg_split</function> to return only non-empty
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pieces.
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</entry>
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<entry></entry>
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<entry/>
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</row>
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<row xml:id="constant.preg-split-delim-capture">
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<entry><constant>PREG_SPLIT_DELIM_CAPTURE</constant></entry>
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<entry>
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<constant>PREG_SPLIT_DELIM_CAPTURE</constant>
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(<type>int</type>)
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</entry>
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<entry>
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This flag tells <function>preg_split</function> to capture
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parenthesized expression in the delimiter pattern as well.
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</entry>
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<entry>4.0.5</entry>
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<entry/>
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</row>
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<row xml:id="constant.preg-split-offset-capture">
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<entry><constant>PREG_SPLIT_OFFSET_CAPTURE</constant></entry>
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<entry>
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<constant>PREG_SPLIT_OFFSET_CAPTURE</constant>
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(<type>int</type>)
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</entry>
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<entry>
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If this flag is set, for every occurring match the appendant string
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offset will also be returned. Note that this changes the return
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matched string at offset 0 and its string offset within subject at
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offset 1. This flag is only used for <function>preg_split</function>.
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</entry>
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<entry>4.3.0</entry>
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<entry/>
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</row>
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<row xml:id="constant.preg-unmatched-as-null">
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<entry><constant>PREG_UNMATCHED_AS_NULL</constant></entry>
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<entry>
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<constant>PREG_UNMATCHED_AS_NULL</constant>
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(<type>int</type>)
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</entry>
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<entry>
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This flag tells <function>preg_match</function> and
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<function>preg_match_all</function> to include unmatched subpatterns in
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<entry>7.2.0</entry>
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</row>
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<row xml:id="constant.preg-no-error">
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<entry><constant>PREG_NO_ERROR</constant></entry>
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<entry>
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<constant>PREG_NO_ERROR</constant>
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(<type>int</type>)
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</entry>
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<entry>
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Returned by <function>preg_last_error</function> if there were no
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errors.
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<entry>5.2.0</entry>
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</row>
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<row xml:id="constant.preg-internal-error">
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<entry><constant>PREG_INTERNAL_ERROR</constant></entry>
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<entry>
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<constant>PREG_INTERNAL_ERROR</constant>
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(<type>int</type>)
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</entry>
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<entry>
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Returned by <function>preg_last_error</function> if there was an
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internal PCRE error.
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<entry>5.2.0</entry>
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</row>
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<row xml:id="constant.preg-backtrack-limit-error">
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<entry><constant>PREG_BACKTRACK_LIMIT_ERROR</constant></entry>
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<entry>
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Returned by <function>preg_last_error</function> if <link
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linkend="ini.pcre.backtrack-limit">backtrack limit</link> was exhausted.
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<constant>PREG_BACKTRACK_LIMIT_ERROR</constant>
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(<type>int</type>)
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</entry>
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<entry>
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Returned by <function>preg_last_error</function> if <link linkend="ini.pcre.backtrack-limit">backtrack limit</link> was exhausted.
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</entry>
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<entry>5.2.0</entry>
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</row>
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<row xml:id="constant.preg-recursion-limit-error">
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<entry><constant>PREG_RECURSION_LIMIT_ERROR</constant></entry>
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<entry>
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Returned by <function>preg_last_error</function> if <link
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linkend="ini.pcre.recursion-limit">recursion limit</link> was exhausted.
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<constant>PREG_RECURSION_LIMIT_ERROR</constant>
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(<type>int</type>)
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</entry>
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<entry>
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Returned by <function>preg_last_error</function> if <link linkend="ini.pcre.recursion-limit">recursion limit</link> was exhausted.
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</entry>
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<entry>5.2.0</entry>
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</row>
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<row xml:id="constant.preg-bad-utf8-error">
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<entry><constant>PREG_BAD_UTF8_ERROR</constant></entry>
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<entry>
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<constant>PREG_BAD_UTF8_ERROR</constant>
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(<type>int</type>)
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</entry>
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<entry>
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Returned by <function>preg_last_error</function> if the last error was
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caused by malformed UTF-8 data (only when running a regex in <link
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linkend="reference.pcre.pattern.modifiers">UTF-8 mode</link>).
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caused by malformed UTF-8 data (only when running a regex in <link linkend="reference.pcre.pattern.modifiers">UTF-8 mode</link>).
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</entry>
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<entry>5.2.0</entry>
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</row>
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<row xml:id="constant.preg-bad-utf8-offset-error">
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<entry><constant>PREG_BAD_UTF8_OFFSET_ERROR</constant></entry>
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<entry>
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<constant>PREG_BAD_UTF8_OFFSET_ERROR</constant>
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(<type>int</type>)
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</entry>
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<entry>
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Returned by <function>preg_last_error</function> if the offset didn't
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correspond to the begin of a valid UTF-8 code point (only when running
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<entry>5.3.0</entry>
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</row>
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<row xml:id="constant.preg-jit-stacklimit-error">
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<entry><constant>PREG_JIT_STACKLIMIT_ERROR</constant></entry>
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<entry>
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<constant>PREG_JIT_STACKLIMIT_ERROR</constant>
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(<type>int</type>)
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</entry>
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<entry>
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Returned by <function>preg_last_error</function> if the last PCRE function
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failed due to limited JIT stack space.
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<entry>7.0.0</entry>
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</row>
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<row xml:id="constant.pcre-version">
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<entry><constant>PCRE_VERSION</constant></entry>
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<entry>
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<constant>PCRE_VERSION</constant>
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(<type>string</type>)
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</entry>
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<entry>
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PCRE version and release date (e.g. "<literal>7.0 18-Dec-2006</literal>").
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</entry>
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</tgroup>
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</table>
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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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