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$SQL="delete from `PHP100` where id in (1,2,4)";
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<form action="" method="post">
<input name="ID_Dele[]" type="checkbox" id="ID_Dele[]" value="1"/>
<input name="ID_Dele[]" type="checkbox" id="ID_Dele[]" value="2"/>
<input name="ID_Dele[]" type="checkbox" id="ID_Dele[]" value="3"/>
<input name="ID_Dele[]" type="checkbox" id="ID_Dele[]" value="4"/>
<input type="submit"/>
</form>
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$ID_Dele= implode(",",$_POST['ID_Dele']);
$SQL="delete from `user` where id in ($ID_Dele)";
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<script>function checkall(form, prefix, checkall) {
for(var i = 0; i < form.elements.length; i++) {
var e = form.elements[i];
if(e.name != checkall && (!prefix || (prefix && e.name.match(prefix)))) {
e.checked = form.elements[checkall].checked;
}
}
}</script>
<form>
<input type="checkbox"
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$file2 = 'F:/test.txt';
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$size = filesize($file1);
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echo "\n<br>ת»¯Îª¶þ½øÖÆ ...";
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$content = bstr2bin($content);
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fwrite($fp, $content);
fclose($fp);
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