Update pcre

Author: mowangjuanzi

reference/pcre/functions/preg-grep.xml

@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <!-- $Revision$ -->
-<!-- EN-Revision: 41c8533ff5a8f93ba9fdf0732d05dd5ab79864c9 Maintainer: daijie Status: ready -->
+<!-- EN-Revision: d6f54016d62904cfd8200604aadd5e3f0d9bad97 Maintainer: daijie Status: ready -->
 <!-- CREDITS: Luffy, mowangjuanzi -->
 <refentry xml:id="function.preg-grep" xmlns="http://docbook.org/ns/docbook">
  <refnamediv>
@@ -76,8 +76,12 @@
     <programlisting role="php">
 <![CDATA[
 <?php
+$array = [ "4", M_PI, "2.74", 42 ];
+
 // 返回所有包含浮点数的元素
 $fl_array = preg_grep("/^(\d+)?\.\d+$/", $array);
+
+var_dump($fl_array);
 ?>
 ]]>
     </programlisting>

reference/pcre/functions/preg-match.xml

@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <!-- $Revision$ -->
-<!-- EN-Revision: 41c8533ff5a8f93ba9fdf0732d05dd5ab79864c9 Maintainer: daijie Status: ready -->
+<!-- EN-Revision: d6f54016d62904cfd8200604aadd5e3f0d9bad97 Maintainer: daijie Status: ready -->
 <!-- CREDITS: mowangjuanzi -->
 <refentry xml:id="function.preg-match" xmlns="http://docbook.org/ns/docbook">
  <refnamediv>
@@ -305,6 +305,8 @@ if (preg_match("/\bweb\b/i", "PHP is the web scripting language of choice.")) {
     echo "A match was not found.";
 }
 
+echo "\n";
+
 if (preg_match("/\bweb\b/i", "PHP is the website scripting language of choice.")) {
     echo "A match was found.";
 } else {

reference/pcre/functions/preg-replace.xml

@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <!-- $Revision$ -->
-<!-- EN-Revision: 62126c55f1c6ed444043e7272c4f9e233818a44b Maintainer: daijie Status: ready -->
+<!-- EN-Revision: d6f54016d62904cfd8200604aadd5e3f0d9bad97 Maintainer: daijie Status: ready -->
 <!-- CREDITS: mowangjuanzi, Luffy -->
 <refentry xml:id="function.preg-replace" xmlns="http://docbook.org/ns/docbook">
  <refnamediv>
@@ -189,6 +189,15 @@ The bear black slow jumps over the lazy dog.
     <programlisting role="php">
 <![CDATA[
 <?php
+$string = 'The quick brown fox jumps over the lazy dog.';
+$patterns = array();
+$patterns[0] = '/quick/';
+$patterns[1] = '/brown/';
+$patterns[2] = '/fox/';
+$replacements = array();
+$replacements[2] = 'bear';
+$replacements[1] = 'black';
+$replacements[0] = 'slow';
 ksort($patterns);
 ksort($replacements);
 echo preg_replace($patterns, $replacements, $string);