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/* $Id: common.lib.php 9832 2007-01-09 09:50:49Z nijel $ */
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// vim: expandtab sw=4 ts=4 sts=4:
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* Javascript escaping functions.
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* @author Michal Čihař <michal@cihar.com>
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* Format a string so it can be a string inside JavaScript code inside an
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* eventhandler (onclick, onchange, on..., ).
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* This function is used to displays a javascript confirmation box for
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* "DROP/DELETE/ALTER" queries.
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* @uses PMA_escapeJsString()
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* @uses PMA_backquote()
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* @uses htmlspecialchars()
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* @param string $a_string the string to format
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* @param boolean $add_backquotes whether to add backquotes to the string or not
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* @return string the formatted string
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function PMA_jsFormat($a_string = '', $add_backquotes = true)
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if (is_string($a_string)) {
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$a_string = htmlspecialchars($a_string);
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$a_string = PMA_escapeJsString($a_string);
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* @todo what is this good for?
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$a_string = str_replace('#', '\\#', $a_string);
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return (($add_backquotes) ? PMA_backquote($a_string) : $a_string);
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} // end of the 'PMA_jsFormat()' function
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* escapes a string to be inserted as string a JavaScript block
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* enclosed by <![CDATA[ ... ]]>
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* this requires only to escape ' with \' and end of script block
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* @uses preg_replace()
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* @param string $string the string to be escaped
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* @return string the escaped string
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function PMA_escapeJsString($string)
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return preg_replace('@</script@i', '</\' + \'script',