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adding example (user note)

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git-svn-id: https://svn.php.net/repository/phpdoc/en/trunk@142762 c90b9560-bf6c-de11-be94-00142212c4b1
This commit is contained in:
Mehdi Achour 2003-10-20 11:54:57 +00:00
parent d5d07fcec5
commit 719aed0d1c
1 changed files with 41 additions and 2 deletions
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43
reference/strings/functions/count-chars.xml
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@ -1,5 +1,5 @@
<?xml version="1.0" encoding="iso-8859-1"?>
<!-- $Revision: 1.4 $ -->
<!-- $Revision: 1.5 $ -->
<!-- splitted from ./en/functions/strings.xml, last change in rev 1.4 -->
<refentry id="function.count-chars">
<refnamediv>
@ -18,7 +18,7 @@
<para>
Counts the number of occurrences of every byte-value (0..255) in
<parameter>string</parameter> and returns it in various ways.
The optional parameter <parameter>Mode</parameter> default to
The optional parameter <parameter>mode</parameter> default to
0. Depending on <parameter>mode</parameter>
<function>count_chars</function> returns one of the following:
<itemizedlist>
@ -52,6 +52,45 @@
</listitem>
</itemizedlist>
</para>
<para>
<example>
<title><function>count_chars</function> example</title>
<programlisting role="php">
<![CDATA[
<?php
$data = "Two Ts and one F.";
$result = count_chars($data, 0);
for ($i=0; $i < count($result); $i++) {
if ($result[$i] != 0)
echo "There were $result[$i] instance(s) of \"" , chr($i) , "\" in the string.\n";
}
?>
]]>
</programlisting>
<para>
This will output :
</para>
<screen>
<![CDATA[
There were 4 instance(s) of " " in the string.
There were 1 instance(s) of "." in the string.
There were 1 instance(s) of "F" in the string.
There were 2 instance(s) of "T" in the string.
There were 1 instance(s) of "a" in the string.
There were 1 instance(s) of "d" in the string.
There were 1 instance(s) of "e" in the string.
There were 2 instance(s) of "n" in the string.
There were 2 instance(s) of "o" in the string.
There were 1 instance(s) of "s" in the string.
There were 1 instance(s) of "w" in the string.
]]>
</screen>
</example>
</para>
<simpara>
See also <function>strpos</function> and
<function>substr_count</function>.