为何不能对正则匹配的值进行大写转换呢
为什么不能对正则匹配的值进行大写转换呢?
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$pattern='#select
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left join
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having
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union
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from
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right join
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limit
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where
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order by
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for lock#sUie';
return preg_replace($pattern, '"<font color=\"#ffcc00\">".strtoupper("$0")."</font>"', $string);
function syntax_color_sql($string)
{
$pattern='#select|left join|having|union|from|right join|limit|where|order by|for lock#sUi';
return preg_replace($pattern, '<font color="#ffcc00">'.strtoupper('$0').'</font>', $string);
}
------解决方案--------------------
$pattern='#select
------解决方案--------------------
left join
------解决方案--------------------
having
------解决方案--------------------
union
------解决方案--------------------
from
------解决方案--------------------
right join
------解决方案--------------------
limit
------解决方案--------------------
where
------解决方案--------------------
order by
------解决方案--------------------
for lock#sUie';
return preg_replace($pattern, '"<font color=\"#ffcc00\">".strtoupper("$0")."</font>"', $string);