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我想驗證一個網站訪問者達到法定年齡,或未滿18歲PHP年齡驗證
我嘗試過在Age Verification
我給出一個答案的工作使用下面的部分從提問/回答:
/**
* @author - Sephedo
* @for - Deedub @ Stackoverflow
* @question - https://stackoverflow.com/questions/18751788/age-verification
*/
$min_age = 18;
if(isset($_POST['submit']))
{
if(mktime(0, 0, 0, $_POST['month'], $_POST['day'], $_POST['year']) < mktime(0, 0, 0, date('n'), date('j'), (date('Y') - $min_age)))
{
echo("over $min_age");
}
else
{
echo("under $min_age");
}
}
然後我的形式是:
<form class="form-horizontal" method="post" action="<?php echo htmlspecialchars($_SERVER["PHP_SELF"]); ?>">
<fieldset>
<?php
// lowest year wanted
$cutoff = 1910;
// current year
$now = date('Y');
// build months menu
echo '<div class="form-group">' . PHP_EOL;
echo '<label class="col-md-4 control-label" for="selectbasic">Month</label>' . PHP_EOL;
echo '<div class="col-md-4">' . PHP_EOL;
echo '<select name="month" class="form-control">' . PHP_EOL;
for ($m=1; $m<=12; $m++) {
echo ' <option value="' . $m . '">' . date('F', mktime(0,0,0,$m)) . '</option>' . PHP_EOL;
}
echo '</select>' . PHP_EOL;
echo '</div>' . PHP_EOL;
echo '</div>' . PHP_EOL;
// build days menu
echo '<div class="form-group">' . PHP_EOL;
echo '<label class="col-md-4 control-label" for="selectbasic">Day</label>' . PHP_EOL;
echo '<div class="col-md-4">' . PHP_EOL;
echo '<select name="day" class="form-control">' . PHP_EOL;
for ($d=1; $d<=31; $d++) {
echo ' <option value="' . $d . '">' . $d . '</option>' . PHP_EOL;
}
echo '</select>' . PHP_EOL;
echo '</div>' . PHP_EOL;
echo '</div>' . PHP_EOL;
// build years menu
echo '<div class="form-group">' . PHP_EOL;
echo '<label class="col-md-4 control-label" for="selectbasic">Year</label>' . PHP_EOL;
echo '<div class="col-md-4">' . PHP_EOL;
echo '<select name="year" class="form-control">' . PHP_EOL;
for ($y=$now; $y>=$cutoff; $y--) {
echo ' <option value="' . $y . '">' . $y . '</option>' . PHP_EOL;
}
echo '</select>' . PHP_EOL;
echo '</div>' . PHP_EOL;
echo '</div>' . PHP_EOL;
?>
<div class="form-group">
<label class="col-md-4 control-label" for="singlebutton">Done?</label>
<div class="col-md-4">
<button type="submit" class="btn btn-primary">Submit</button>
</div>
</div>
</fieldset>
</form>
當我提交表格,頁面上沒有新的輸出echo("over $min_age");
或echo("under $min_age");
。
我可以俯視嗎?
只是爲了節省時間,這裏是我的HTML表單輸出,而不PHP:
<form class="form-horizontal" method="post" action="/landing.php">
<fieldset>
<div class="form-group">
<label class="col-md-4 control-label" for="selectbasic">Month</label>
<div class="col-md-4">
<select name="month" class="form-control">
<option value="1">January</option>
<option value="2">February</option>
<option value="3">March</option>
<option value="4">April</option>
<option value="5">May</option>
<option value="6">June</option>
<option value="7">July</option>
<option value="8">August</option>
<option value="9">September</option>
<option value="10">October</option>
<option value="11">November</option>
<option value="12">December</option>
</select>
</div>
</div>
<div class="form-group">
<label class="col-md-4 control-label" for="selectbasic">Day</label>
<div class="col-md-4">
<select name="day" class="form-control">
<option value="1">1</option>
<option value="2">2</option>
<option value="3">3</option>
<option value="4">4</option>
<option value="5">5</option>
<option value="6">6</option>
<option value="7">7</option>
<option value="8">8</option>
<option value="9">9</option>
<option value="10">10</option>
<option value="11">11</option>
<option value="12">12</option>
<option value="13">13</option>
<option value="14">14</option>
<option value="15">15</option>
<option value="16">16</option>
<option value="17">17</option>
<option value="18">18</option>
<option value="19">19</option>
<option value="20">20</option>
<option value="21">21</option>
<option value="22">22</option>
<option value="23">23</option>
<option value="24">24</option>
<option value="25">25</option>
<option value="26">26</option>
<option value="27">27</option>
<option value="28">28</option>
<option value="29">29</option>
<option value="30">30</option>
<option value="31">31</option>
</select>
</div>
</div>
<div class="form-group">
<label class="col-md-4 control-label" for="selectbasic">Year</label>
<div class="col-md-4">
<select name="year" class="form-control">
<option value="2016">2016</option>
<option value="2015">2015</option>
<option value="2014">2014</option>
<option value="2013">2013</option>
<option value="2012">2012</option>
<option value="2011">2011</option>
<option value="2010">2010</option>
<option value="2009">2009</option>
<option value="2008">2008</option>
<option value="2007">2007</option>
<option value="2006">2006</option>
<option value="2005">2005</option>
<option value="2004">2004</option>
<option value="2003">2003</option>
<option value="2002">2002</option>
<option value="2001">2001</option>
<option value="2000">2000</option>
<option value="1999">1999</option>
<option value="1998">1998</option>
<option value="1997">1997</option>
<option value="1996">1996</option>
<option value="1995">1995</option>
<option value="1994">1994</option>
<option value="1993">1993</option>
<option value="1992">1992</option>
<option value="1991">1991</option>
<option value="1990">1990</option>
<option value="1989">1989</option>
<option value="1988">1988</option>
<option value="1987">1987</option>
<option value="1986">1986</option>
<option value="1985">1985</option>
<option value="1984">1984</option>
<option value="1983">1983</option>
<option value="1982">1982</option>
<option value="1981">1981</option>
<option value="1980">1980</option>
<option value="1979">1979</option>
<option value="1978">1978</option>
<option value="1977">1977</option>
<option value="1976">1976</option>
<option value="1975">1975</option>
<option value="1974">1974</option>
<option value="1973">1973</option>
<option value="1972">1972</option>
<option value="1971">1971</option>
<option value="1970">1970</option>
<option value="1969">1969</option>
<option value="1968">1968</option>
<option value="1967">1967</option>
<option value="1966">1966</option>
<option value="1965">1965</option>
<option value="1964">1964</option>
<option value="1963">1963</option>
<option value="1962">1962</option>
<option value="1961">1961</option>
<option value="1960">1960</option>
<option value="1959">1959</option>
<option value="1958">1958</option>
<option value="1957">1957</option>
<option value="1956">1956</option>
<option value="1955">1955</option>
<option value="1954">1954</option>
<option value="1953">1953</option>
<option value="1952">1952</option>
<option value="1951">1951</option>
<option value="1950">1950</option>
<option value="1949">1949</option>
<option value="1948">1948</option>
<option value="1947">1947</option>
<option value="1946">1946</option>
<option value="1945">1945</option>
<option value="1944">1944</option>
<option value="1943">1943</option>
<option value="1942">1942</option>
<option value="1941">1941</option>
<option value="1940">1940</option>
<option value="1939">1939</option>
<option value="1938">1938</option>
<option value="1937">1937</option>
<option value="1936">1936</option>
<option value="1935">1935</option>
<option value="1934">1934</option>
<option value="1933">1933</option>
<option value="1932">1932</option>
<option value="1931">1931</option>
<option value="1930">1930</option>
<option value="1929">1929</option>
<option value="1928">1928</option>
<option value="1927">1927</option>
<option value="1926">1926</option>
<option value="1925">1925</option>
<option value="1924">1924</option>
<option value="1923">1923</option>
<option value="1922">1922</option>
<option value="1921">1921</option>
<option value="1920">1920</option>
<option value="1919">1919</option>
<option value="1918">1918</option>
<option value="1917">1917</option>
<option value="1916">1916</option>
<option value="1915">1915</option>
<option value="1914">1914</option>
<option value="1913">1913</option>
<option value="1912">1912</option>
<option value="1911">1911</option>
<option value="1910">1910</option>
</select>
</div>
</div>
<div class="form-group">
<label class="col-md-4 control-label" for="singlebutton">Done?</label>
<div class="col-md-4">
<button type="submit" class="btn btn-primary">Submit</button>
</div>
</div>
</fieldset>
</form>
當然。一些如此簡單。我會盡快接受。謝謝。 :) –