note 62923 added to function.ctype-print
| From: | pcdinh at gmail dot com | Date: | Sun, 12 Mar 2006 12:43:49 +0000 |
| Subject: | note 62923 added to function.ctype-print | ||
| Groups: | php.notes | ||
| Request: | Send a blank email to php-notes+get-105368@lists.php.net to get a copy of this message | ||
This function has problems with string quoted with single quotes.
This code proves that
<?php
$ch = chr(\\\'%0A\\\');
$strings = array(\\\'string1\\\' => \\\'asdf\\\\n\\\\r\\\\t\\\',
\\\'string2\\\' => $ch);
foreach ($strings as $name => $testcase) {
if (ctype_print($testcase)) {
echo \\\"The string \\\'$name\\\' consists of all printable
characters.\\\\n\\\";
} else {
echo \\\"The string \\\'$name\\\' does not consist of all printable
characters.\\\\n\\\";
}
}
?>
returns
The string \\\'string1\\\' consists of all printable characters.
The string \\\'string2\\\' does not consist of all printable characters.
So always quote your strings with double quotes.
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Manual Page -- http://www.php.net/manual/en/function.ctype-print.php
Edit -- http://master.php.net/note/edit/62923
Del: integrated -- http://master.php.net/note/delete/62923/integrated
Del: useless -- http://master.php.net/note/delete/62923/useless
Del: bad code -- http://master.php.net/note/delete/62923/bad+code
Del: spam -- http://master.php.net/note/delete/62923/spam
Del: non-english -- http://master.php.net/note/delete/62923/non-english
Del: in docs -- http://master.php.net/note/delete/62923/in+docs
Del: other reasons-- http://master.php.net/note/delete/62923
Reject -- http://master.php.net/note/reject/62923
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