+ Accessing as $string{3} works too.

+ Added <?php ?> to all examples.


git-svn-id: https://svn.php.net/repository/phpdoc/en/trunk@88108 c90b9560-bf6c-de11-be94-00142212c4b1

reference/strings/functions/substr.xml

@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="iso-8859-1"?>
-<!-- $Revision: 1.2 $ -->
+<!-- $Revision: 1.3 $ -->
 <!-- splitted from ./en/functions/strings.xml, last change in rev 1.2 -->
   <refentry id="function.substr">
    <refnamediv>
@@ -32,10 +32,17 @@
      <title>Basic <function>substr</function> usage</title>
      <programlisting role="php">
 <![CDATA[
+<?php
 $rest = substr("abcdef", 1);    // returns "bcdef"
 $rest = substr("abcdef", 1, 3); // returns "bcd"
 $rest = substr("abcdef", 0, 4); // returns "abcd"
 $rest = substr("abcdef", 0, 8); // returns "abcdef"
+
+// Accessing via curly braces is another option
+$string = 'abcdef';
+echo $string{0};                // returns a
+echo $string{3};                // returns d
+?>
 ]]>
      </programlisting>
     </example>
@@ -47,9 +54,11 @@ $rest = substr("abcdef", 0, 8); // returns "abcdef"
      <title>Using a negative <parameter>start</parameter></title>
      <programlisting role="php">
 <![CDATA[
+<?php
 $rest = substr("abcdef", -1);    // returns "f"
 $rest = substr("abcdef", -2);    // returns "ef"
 $rest = substr("abcdef", -3, 1); // returns "d"
+?>
 ]]>
      </programlisting>
     </example>
@@ -73,10 +82,12 @@ $rest = substr("abcdef", -3, 1); // returns "d"
      <title>Using a negative <parameter>length</parameter></title>
      <programlisting role="php">
 <![CDATA[
+<?php
 $rest = substr("abcdef", 0, -1);  // returns "abcde"
 $rest = substr("abcdef", 2, -1);  // returns "cde"
 $rest = substr("abcdef", 4, -4);  // returns ""
 $rest = substr("abcdef", -3, -1); // returns "de"
+?>
 ]]>
      </programlisting>
     </example>