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explain the === problem and clarify the 1st example. cleaning user notes..

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git-svn-id: https://svn.php.net/repository/phpdoc/en/trunk@186006 c90b9560-bf6c-de11-be94-00142212c4b1
This commit is contained in:
Nuno Lopes 2005-05-08 08:43:35 +00:00
parent c4aac32a94
commit f050fd9b83
1 changed files with 4 additions and 6 deletions
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10
reference/strings/functions/strtok.xml
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@ -1,5 +1,5 @@
<?xml version="1.0" encoding="iso-8859-1"?>
<!-- $Revision: 1.5 $ -->
<!-- $Revision: 1.6 $ -->
<!-- splitted from ./en/functions/strings.xml, last change in rev 1.2 -->
<refentry id="function.strtok">
<refnamediv>
@ -28,7 +28,8 @@
$string = "This is\tan example\nstring";
/* Use tab and newline as tokenizing characters as well */
$tok = strtok($string, " \n\t");
while ($tok) {
while ($tok !== false) {
echo "Word=$tok<br />";
$tok = strtok(" \n\t");
}
@ -94,10 +95,7 @@ var_dump($first_token, $second_token);
</screen>
</example>
</para>
<para>
Also be careful that your tokens may be equal to "0". This
evaluates to &false; in conditional expressions.
</para>
&return.falseproblem;
<para>
See also <function>split</function> and
<function>explode</function>.