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특정 텍스트 상자에 정수 또는 varchar 등만 입력 할 수 있도록 PHP에서 데이터 형식을 설정하는 방법은 무엇입니까? 잘못된 값을 입력하면 스크립트가 나타납니다. 제발,이 구문은 무엇입니까?PHP에서 데이터 형식을 설정하는 방법
<form name="form1" method="post" action="new.php">
<td>
<table width="100%" border="0" cellpadding="3" cellspacing="1" bgcolor="#FFFFFF">
<tr>
<td colspan="16" style="background:#9ACD32; color:white; border:white 1px solid; text-align: center"><strong><font size="3">UPDATE IN-PATIENT INFORMATION SHEET</strong></td>
</tr>
<tr>
<td width="54"><font size="3">Hospital #</td>
<td width="3">:</td>
<td width="168"><input name="hnum" type="text" id="hospnum"></td>
<td width="41"><font size="3">Room #</td>
<td width="3">:</td>
<td width="168"><input name="rnum" type="text" id="rnum"></td>
<td width="67"><font size="3">Date</td>
<td width="3">:</td>
<td width="168"><input name="adate" type="text" id="adate">
<td width="67"><font size="3">Time</td>
<td width="3">:</td>
<td width="168"><input name="adtime" type="text" id="adtime">
</td>
</tr>
<tr>
<td><font size="3">Last Name</td>
<td>:</td>
<td><input name="lname" type="text" id="lname"></td>
<td><font size="3">First Name</td>
<td>:</td>
<td><input name="fname" type="text" id="fname"></td>
<td><font size="3">Middle Name</td>
<td>:</td>
<td><input name="mname" type="text" id="mname"></td>
</tr>
<tr>
<td><font size="3">Civil Status</td>
<td>:</td>
<td><input name="cs" type="text" id="cs"></td>
<td><font size="3">Age</td>
<td>:</td>
<td><input name="age" type="text" id="age"></td>
<td><font size="3">Birthday</td>
<td>:</td>
<td><input name="bday" type="text" id="bday"></td>
</tr>
<tr>
<td><font size="3">Address</td>
<td>:</td>
<td><input name="ad" type="text" id="ad"></td>
<td><font size="3">Telephone #</td>
<td>:</td>
<td><input name="telnum" type="text" id="telnum"></td>
<td width="23"><font size="3">Sex</td>
<td width="3">:</td>
<td width="174"><input name="sex" type="text" id="sex"></td>
</tr>
<tr>
<td><font size="3">Pls. Check</td>
<td>:</td>
<input type='hidden' name="stats1" value="0">
<td><input name="stats1" type="checkbox" id="SSS" value="SSS">SSS</td>
<td><font size="3"></td>
<td>:</td>
<input type='hidden' name="stats2" value="0">
<td><input name="stats2" type="checkbox" id="nonmed" value="NonMedicare">Non Medicare</td>
<td><font size="3"></td>
<td>:</td>
<input type='hidden' name="stats3" value="0">
<td><input name="stats3" type="checkbox" id="sh" value="stockholder">Stockholder</td>
</tr>
<tr>
<td><font size="3"></td>
<td></td>
<input type='hidden' name="stats4" value="0">
<td><input name="stats4" type="checkbox" id="gsis" value="GSIS">GSIS</td>
<td><font size="3"></td>
<td></td>
<input type='hidden' name="stats5" value="0">
<td><input name="stats5" type="checkbox" id="senior" value="seniorcitizen">Senior-Citizen</td>
<tr>
<td><font size="3"></td>
<td></td>
<input type='hidden' name="stats6" value="0">
<td><input name="stats6" type="checkbox" id="dep" value="dependent">Dependent</td>
<td><font size="3"></td>
<td></td>
<input type='hidden' name="stats7" value="0">
<td><input name="stats7" type="checkbox" id="emp" value="employee">Employee</td>
<td><font size="3"></td>
<td></td>
<input type='hidden' name="stats8" value="0">
<td><input name="stats8" type="text" id="" value="">Others</td>
</tr>
<tr>
<td><font size="3">Admitting/Attending Nurse</td>
<td>:</td>
<td><input name="nurse" type="text" id="nurse"></td>
</tr>
<tr>
<td> </td>
<td> </td>
<td><input type="submit" name="Submit" value="Search"></td>
</form>