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Bug #9120 unexpected behavior of chop(), ltrim(), rtrim(), and trim()
Submitted: 2001-02-05 16:51 UTC Modified: 2001-03-20 05:54 UTC
From: artymiak at safenet dot pl Assigned:
Status: Closed Package: Strings related
PHP Version: 4.0.3pl1 OS: OpenBSD 2.7
Private report: No CVE-ID: None
View Developer Edit
 [2001-02-05 16:51 UTC] artymiak at safenet dot pl 
chop(), trim(), ltrim(), and rtrim() do not remove \v, \r, or \n.

# chop();

echo "<p><pre>                chop()";
echo "<br>                ------------------<br>";
$x = "     ab cd ef     \v\r\n" ;
echo strlen($x) . " characters: |" . $x . "|<br>";
$y = chop($x);
echo strlen($y) . " characters: |" . $y . "|</pre></p>";

# ltrim();

echo "<p><pre>                ltrim()";
echo "<br>                ------------------<br>";
$x = "\v\r\n     ab cd ef     " ;
echo strlen($x) . " characters: |" . $x . "|<br>";
$y = ltrim($x);
echo strlen($y) . " characters: |" . $y . "|</pre></p>";

# rtrim();

echo "<p><pre>                rtrim()";
echo "<br>                ------------------<br>";
$x = "     ab cd ef     \v\r\n" ;
echo strlen($x) . " characters: |" . $x . "|<br>";
$y = rtrim($x);
echo strlen($y) . " characters: |" . $y . "|</pre></p>";

#
# trim();

echo "<p><pre>                trim()";
echo "<br>                ------------------<br>";
$x = "  \v\r\n   ab cd ef  \v\r\n   " ;
echo strlen($x) . " characters: |" . $x . "|<br>";
$y = trim($x);
echo " " . strlen($y) . " characters: |" . $y . "|</pre></p>";

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 [2001-03-20 05:54 UTC] stas@php.net 
Works for me perfectly - except that \v is not recognized by
PHP. Who needs it anyway?.
 
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