运行成功输出错误
<?php
$data_int1=123;
echo $data_int1;
echo "<br />";
$date_int2=-123;
echo $data_int2;
echo "<br />";
$date_int3=0123;
echo $data_int3;
echo "<br />";
$date_int4=0x123;
echo $data_int4;
echo "<br />";
?>
<?php
$data_int1=123;
echo $data_int1;
echo "<br />";
$date_int2=-123;
echo $data_int2;
echo "<br />";
$date_int3=0123;
echo $data_int3;
echo "<br />";
$date_int4=0x123;
echo $data_int4;
echo "<br />";
?>
2020-08-13
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