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trim — Strip whitespace (or other characters) from the beginning and end of a string
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string trim ( string $str [, string $charlist ] )

Example #1 Trimming array values with trim()


<?php
function trim_value(&$value)
{
    $value = trim($value);
}

$fruit = array('apple','banana ', ' cranberry ');
var_dump($fruit);

array_walk($fruit, 'trim_value');
var_dump($fruit);

?>

Example #2

<?php
$string = 'This string  has   no    whitespaces.';
echo ereg_replace( ' +', '', $string );
?>
Output: Thisstringhasnowhitespaces.





http://docs.php.net/manual/kr/function.trim.php



=====================

if(!$auth[admin]) {
    $rg_name = ereg_replace( ' +', '', $rg_name );
    $rg_name=substr($rg_name,0,4)."¡Û";
}
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