diff --git a/reference/intl/functions/grapheme-extract.xml b/reference/intl/functions/grapheme-extract.xml
new file mode 100644
index 0000000000..2ea877063b
--- /dev/null
+++ b/reference/intl/functions/grapheme-extract.xml
@@ -0,0 +1,109 @@
+
+
+
+
+ grapheme_extract
+ Function to extract a sequence of default grapheme clusters from a text buffer, which must be encoded in UTF-8.
+
+
+ &reftitle.description;
+ Procedural style
+
+ stringgrapheme_extract
+ stringhaystack
+ intsize
+ intstart
+
+
+ Function to extract a sequence of default grapheme clusters from a text buffer, which must be encoded in UTF-8.
+
+
+
+
+ &reftitle.parameters;
+
+
+
+ haystack
+
+
+ string to search
+
+
+
+
+ size
+
+
+ maximum number of grapheme clusters to return
+
+
+
+
+ start
+
+
+ starting position in $haystack in bytes
+
+
+
+
+
+
+
+
+
+ &reftitle.returnvalues;
+
+ A string starting at offset $start containing no more than $size grapheme clusters and ending on a default grapheme cluster boundary.
+
+
+
+
+ &reftitle.examples;
+
+ <function>grapheme_extract</function> example
+
+
+]]>
+
+
+ &example.outputs;
+
+
+
+
+
+
+ &reftitle.seealso;
+
+TODO
+
+
+
+
+
diff --git a/reference/intl/functions/grapheme-extractb.xml b/reference/intl/functions/grapheme-extractb.xml
new file mode 100644
index 0000000000..7a90edcf54
--- /dev/null
+++ b/reference/intl/functions/grapheme-extractb.xml
@@ -0,0 +1,109 @@
+
+
+
+
+ grapheme_extractb
+ Function to extract a sequence of default grapheme clusters from a text buffer, which must be encoded in UTF-8.
+
+
+ &reftitle.description;
+ Procedural style
+
+ stringgrapheme_extractb
+ stringhaystack
+ intbsize
+ intstart
+
+
+ Function to extract a sequence of default grapheme clusters from a text buffer, which must be encoded in UTF-8.
+
+
+
+
+ &reftitle.parameters;
+
+
+
+ haystack
+
+
+ string to search
+
+
+
+
+ bsize
+
+
+ maximum number of bytes to return
+
+
+
+
+ start
+
+
+ starting position in $haystack in bytes
+
+
+
+
+
+
+
+
+
+ &reftitle.returnvalues;
+
+ A string starting at offset $start containing no more than $bsize bytes and ending on a default grapheme cluster boundary.
+
+
+
+
+ &reftitle.examples;
+
+ <function>grapheme_extractb</function> example
+
+
+]]>
+
+
+ &example.outputs;
+
+
+
+
+
+
+ &reftitle.seealso;
+
+TODO
+
+
+
+
+
diff --git a/reference/intl/functions/grapheme-stripos.xml b/reference/intl/functions/grapheme-stripos.xml
new file mode 100644
index 0000000000..cdcce4cc3f
--- /dev/null
+++ b/reference/intl/functions/grapheme-stripos.xml
@@ -0,0 +1,111 @@
+
+
+
+
+ grapheme_stripos
+ Find position (in grapheme units) of first occurrence of a case-insensitive string
+
+
+ &reftitle.description;
+ Procedural style
+
+ intgrapheme_stripos
+ stringhaystack
+ stringneedle
+ intoffset
+
+
+ Find position (in grapheme units) of first occurrence of a case-insensitive string
+ which character in haystack to start searching. The position
+ returned is still relative to the beginning of haystack.
+
+
+
+
+ &reftitle.parameters;
+
+
+
+ haystack
+
+
+ The string to look in
+
+
+
+
+ needle
+
+
+ The string to look for
+
+
+
+
+ offset
+
+
+ The optional offset parameter allows you to specify
+
+
+
+
+
+
+
+
+
+ &reftitle.returnvalues;
+
+ Returns the position as an integer. If needle is not found, grapheme_stripos() will return boolean FALSE.
+
+
+
+
+ &reftitle.examples;
+
+ <function>grapheme_stripos</function> example
+
+
+]]>
+
+
+ &example.outputs;
+
+
+
+
+
+
+ &reftitle.seealso;
+
+TODO
+
+
+
+
+
diff --git a/reference/intl/functions/grapheme-stristr.xml b/reference/intl/functions/grapheme-stristr.xml
new file mode 100644
index 0000000000..4b15b3b562
--- /dev/null
+++ b/reference/intl/functions/grapheme-stristr.xml
@@ -0,0 +1,110 @@
+
+
+
+
+ grapheme_stristr
+ Returns part of haystack string from the first occurrence of case-insensitive needle to the end of haystack.
+
+
+ &reftitle.description;
+ Procedural style
+
+ stringgrapheme_stristr
+ stringhaystack
+ stringneedle
+ booleanbefore_needle
+
+
+ Returns part of haystack string from the first occurrence of case-insensitive needle to the end of haystack.
+ haystack before the first occurence of the needle.
+
+
+
+
+ &reftitle.parameters;
+
+
+
+ haystack
+
+
+ The input string.
+
+
+
+
+ needle
+
+
+ The string to look for.
+
+
+
+
+ before_needle
+
+
+ If TRUE (the default is FALSE), grapheme_strstr() returns the part of the
+
+
+
+
+
+
+
+
+
+ &reftitle.returnvalues;
+
+ Returns the portion of string, or FALSE if needle is not found.
+
+
+
+
+ &reftitle.examples;
+
+ <function>grapheme_stristr</function> example
+
+
+]]>
+
+
+ &example.outputs;
+
+
+
+
+
+
+ &reftitle.seealso;
+
+TODO
+
+
+
+
+
diff --git a/reference/intl/functions/grapheme-strlen.xml b/reference/intl/functions/grapheme-strlen.xml
new file mode 100644
index 0000000000..96b5c87d56
--- /dev/null
+++ b/reference/intl/functions/grapheme-strlen.xml
@@ -0,0 +1,91 @@
+
+
+
+
+ grapheme_strlen
+ Get string length in grapheme units
+
+
+ &reftitle.description;
+ Procedural style
+
+ intgrapheme_strlen
+ stringinput
+
+
+ Get string length in grapheme units
+
+
+
+
+ &reftitle.parameters;
+
+
+
+ input
+
+
+ The string being measured for length.
+
+
+
+
+
+
+
+
+
+ &reftitle.returnvalues;
+
+ The length of the string on success, and 0 if the string is empty.
+
+
+
+
+ &reftitle.examples;
+
+ <function>grapheme_strlen</function> example
+
+
+]]>
+
+
+ &example.outputs;
+
+
+
+
+
+
+ &reftitle.seealso;
+
+TODO
+
+
+
+
+
diff --git a/reference/intl/functions/grapheme-strpos.xml b/reference/intl/functions/grapheme-strpos.xml
new file mode 100644
index 0000000000..4ef02eb287
--- /dev/null
+++ b/reference/intl/functions/grapheme-strpos.xml
@@ -0,0 +1,111 @@
+
+
+
+
+ grapheme_strpos
+ Find position (in grapheme units) of first occurrence of a string
+
+
+ &reftitle.description;
+ Procedural style
+
+ intgrapheme_strpos
+ stringhaystack
+ stringneedle
+ intoffset
+
+
+ Find position (in grapheme units) of first occurrence of a string
+ which character in haystack to start searching. The position
+ returned is still relative to the beginning of haystack.
+
+
+
+
+ &reftitle.parameters;
+
+
+
+ haystack
+
+
+ The string to look in
+
+
+
+
+ needle
+
+
+ The string to look for
+
+
+
+
+ offset
+
+
+ The optional offset parameter allows you to specify
+
+
+
+
+
+
+
+
+
+ &reftitle.returnvalues;
+
+ Returns the position as an integer. If needle is not found, strpos() will return boolean FALSE.
+
+
+
+
+ &reftitle.examples;
+
+ <function>grapheme_strpos</function> example
+
+
+]]>
+
+
+ &example.outputs;
+
+
+
+
+
+
+ &reftitle.seealso;
+
+TODO
+
+
+
+
+
diff --git a/reference/intl/functions/grapheme-strripos.xml b/reference/intl/functions/grapheme-strripos.xml
new file mode 100644
index 0000000000..546f69f42d
--- /dev/null
+++ b/reference/intl/functions/grapheme-strripos.xml
@@ -0,0 +1,111 @@
+
+
+
+
+ grapheme_strripos
+ Find position (in grapheme units) of last occurrence of a case-insensitive string
+
+
+ &reftitle.description;
+ Procedural style
+
+ intgrapheme_strripos
+ stringhaystack
+ stringneedle
+ intoffset
+
+
+ Find position (in grapheme units) of last occurrence of a case-insensitive string
+ which character in haystack to start searching. The position
+ returned is still relative to the beginning of haystack.
+
+
+
+
+ &reftitle.parameters;
+
+
+
+ haystack
+
+
+ The string to look in
+
+
+
+
+ needle
+
+
+ The string to look for
+
+
+
+
+ offset
+
+
+ The optional offset parameter allows you to specify
+
+
+
+
+
+
+
+
+
+ &reftitle.returnvalues;
+
+ Returns the position as an integer. If needle is not found, grapheme_strripos() will return boolean FALSE.
+
+
+
+
+ &reftitle.examples;
+
+ <function>grapheme_strripos</function> example
+
+
+]]>
+
+
+ &example.outputs;
+
+
+
+
+
+
+ &reftitle.seealso;
+
+TODO
+
+
+
+
+
diff --git a/reference/intl/functions/grapheme-strrpos.xml b/reference/intl/functions/grapheme-strrpos.xml
new file mode 100644
index 0000000000..3c0a69abf9
--- /dev/null
+++ b/reference/intl/functions/grapheme-strrpos.xml
@@ -0,0 +1,111 @@
+
+
+
+
+ grapheme_strrpos
+ Find position (in grapheme units) of last occurrence of a string
+
+
+ &reftitle.description;
+ Procedural style
+
+ intgrapheme_strrpos
+ stringhaystack
+ stringneedle
+ intoffset
+
+
+ Find position (in grapheme units) of last occurrence of a string
+ which character in haystack to start searching. The position
+ returned is still relative to the beginning of haystack.
+
+
+
+
+ &reftitle.parameters;
+
+
+
+ haystack
+
+
+ The string to look in
+
+
+
+
+ needle
+
+
+ The string to look for
+
+
+
+
+ offset
+
+
+ The optional offset parameter allows you to specify
+
+
+
+
+
+
+
+
+
+ &reftitle.returnvalues;
+
+ Returns the position as an integer. If needle is not found, grapheme_strrpos() will return boolean FALSE.
+
+
+
+
+ &reftitle.examples;
+
+ <function>grapheme_strrpos</function> example
+
+
+]]>
+
+
+ &example.outputs;
+
+
+
+
+
+
+ &reftitle.seealso;
+
+TODO
+
+
+
+
+
diff --git a/reference/intl/functions/grapheme-strstr.xml b/reference/intl/functions/grapheme-strstr.xml
new file mode 100644
index 0000000000..c859d489f3
--- /dev/null
+++ b/reference/intl/functions/grapheme-strstr.xml
@@ -0,0 +1,110 @@
+
+
+
+
+ grapheme_strstr
+ Returns part of haystack string from the first occurrence of needle to the end of haystack.
+
+
+ &reftitle.description;
+ Procedural style
+
+ stringgrapheme_strstr
+ stringhaystack
+ stringneedle
+ booleanbefore_needle
+
+
+ Returns part of haystack string from the first occurrence of needle to the end of haystack.
+ haystack before the first occurence of the needle.
+
+
+
+
+ &reftitle.parameters;
+
+
+
+ haystack
+
+
+ The input string.
+
+
+
+
+ needle
+
+
+ The string to look for.
+
+
+
+
+ before_needle
+
+
+ If TRUE (the default is FALSE), grapheme_strstr() returns the part of the
+
+
+
+
+
+
+
+
+
+ &reftitle.returnvalues;
+
+ Returns the portion of string, or FALSE if needle is not found.
+
+
+
+
+ &reftitle.examples;
+
+ <function>grapheme_strstr</function> example
+
+
+]]>
+
+
+ &example.outputs;
+
+
+
+
+
+
+ &reftitle.seealso;
+
+TODO
+
+
+
+
+
diff --git a/reference/intl/functions/grapheme-substr.xml b/reference/intl/functions/grapheme-substr.xml
new file mode 100644
index 0000000000..82b22b96c7
--- /dev/null
+++ b/reference/intl/functions/grapheme-substr.xml
@@ -0,0 +1,118 @@
+
+
+
+
+ grapheme_substr
+ Return part of a string
+
+
+ &reftitle.description;
+ Procedural style
+
+ intgrapheme_substr
+ stringstring
+ intstart
+ intlength
+
+
+ Return part of a string
+ start'th position in string, counting from zero. If start is negative,
+ the returned string will start at the start'th character from the
+ end of string.
+ at most length characters beginning from start (depending on the
+ length of string). If string is less than or equal to start characters
+ long, FALSE will be returned. If length is given and is negative, then
+ that many characters will be omitted from the end of string (after the
+ start position has been calculated when a start is negative). If start
+ denotes a position beyond this truncation, an empty string will be returned.
+
+
+
+
+ &reftitle.parameters;
+
+
+
+ string
+
+
+ The input string.
+
+
+
+
+ start
+
+
+ If start is non-negative, the returned string will start at the
+
+
+
+
+ length
+
+
+ If length is given and is positive, the string returned will contain
+
+
+
+
+
+
+
+
+
+ &reftitle.returnvalues;
+
+ Returns the extracted part of string.
+
+
+
+
+ &reftitle.examples;
+
+ <function>grapheme_substr</function> example
+
+
+]]>
+
+
+ &example.outputs;
+
+
+
+
+
+
+ &reftitle.seealso;
+
+TODO
+
+
+
+
+