Depending on what type of form you are using, you will use either: $variable = $_POST['inputname']; or $variable = $_GET['inputname']; Whether you use Post or Get is determined by the form's method.
Example: <?php $value = 10; $i = 0 if(is_int($value)) { while($i < $value) { echo $i; echo '<br/>'; $i++; } } ?>
Problem with using global variables in php is that they lose the the assigned value in a different php file. They only keep the global variable value in the php file in which they are declared. Instead of globals try and use $_SESSION or $_COOKIE to keep value intact across different php files in a project
When getting any Information in PHP from a form use $_POST (unless your method is GET in which case $_GET)This is how you do it (I'm using ( and ) instead of < and >)(?php$my_drop_down = $_POST['drop_down_name']; #Then $my_drop_down equals what ever's in value= eg My Value 1, My Value 2,My Value 3?)(select name="drop_down_name")(option value="My Value 1" selected)My Option 1(/option)(option value="My Value 2")My Option 2(/option)(option value="My Value 3")My Option 3(/option)(/select)(I've also added a few php help links)
To print a particular value in PHP you have to select which variable you wish to print. Below is an example of how this can be done. <?php $var[1] = "Hello"; $var[2] = "Lalala"; print $var[2]; // prints Lalala but not Hello ?>
Below is a simple example of how you could return a value in a PHP function. <?php function returnme($value) { return $value; } echo returnme('hello'); // outputs: hello ?>
It supports websites made on php but not coding in php. There are workarounds for coding in PHP using Android.
PHP is used with HTML to interact with the web server to process forms, access and manipulate
# <select name="month" id="month"> # <option value="1" <?PHP if($month==1) echo "selected";?>>January</option> # <option value="2" <?PHP if($month==2) echo "selected";?>>February</option> # <option value="3" <?PHP if($month==3) echo "selected";?>>March</option> # <option value="4" <?PHP if($month==4) echo "selected";?>>April</option> # <option value="5" <?PHP if($month==5) echo "selected";?>>May</option> # <option value="6" <?PHP if($month==6) echo "selected";?>>June</option> # <option value="7" <?PHP if($month==7) echo "selected";?>>July</option> # <option value="8" <?PHP if($month==8) echo "selected";?>>August</option> # <option value="9" <?PHP if($month==9) echo "selected";?>>September</option> # <option value="10" <?PHP if($month==10) echo "selected";?>>October</option> # <option value="11" <?PHP if($month==11) echo "selected";?>>November</option> # <option value="12" <?PHP if($month==12) echo "selected";?>>December</option> # </select> # # <select name="day" id="day"> # <option value="1" <?PHP if($day==1) echo "selected";?>>1</option> # <option value="2" <?PHP if($day==2) echo "selected";?>>2</option> # <option value="3" <?PHP if($day==3) echo "selected";?>>3</option> # <option value="4" <?PHP if($day==4) echo "selected";?>>4</option> # <option value="5" <?PHP if($day==5) echo "selected";?>>5</option> # <option value="6" <?PHP if($day==6) echo "selected";?>>6</option> # <option value="7" <?PHP if($day==7) echo "selected";?>>7</option> # <option value="8" <?PHP if($day==8) echo "selected";?>>8</option> # <option value="9" <?PHP if($day==9) echo "selected";?>>9</option> # <option value="10" <?PHP if($day==10) echo "selected";?>>10</option> # <option value="11" <?PHP if($day==11) echo "selected";?>>11</option> # <option value="12" <?PHP if($day==12) echo "selected";?>>12</option> # <option value="13" <?PHP if($day==13) echo "selected";?>>13</option> # <option value="14" <?PHP if($day==14) echo "selected";?>>14</option> # <option value="15" <?PHP if($day==15) echo "selected";?>>15</option> # <option value="16" <?PHP if($day==16) echo "selected";?>>16</option> # <option value="17" <?PHP if($day==17) echo "selected";?>>17</option> # <option value="18" <?PHP if($day==18) echo "selected";?>>18</option> # <option value="19" <?PHP if($day==19) echo "selected";?>>19</option> # <option value="20" <?PHP if($day==20) echo "selected";?>>20</option> # <option value="21" <?PHP if($day==21) echo "selected";?>>21</option> # <option value="22" <?PHP if($day==22) echo "selected";?>>22</option> # <option value="23" <?PHP if($day==23) echo "selected";?>>23</option> # <option value="24" <?PHP if($day==24) echo "selected";?>>24</option> # <option value="25" <?PHP if($day==25) echo "selected";?>>25</option> # <option value="26" <?PHP if($day==26) echo "selected";?>>26</option> # <option value="27" <?PHP if($day==27) echo "selected";?>>27</option> # <option value="28" <?PHP if($day==28) echo "selected";?>>28</option> # <option value="29" <?PHP if($day==29) echo "selected";?>>29</option> # <option value="30" <?PHP if($day==30) echo "selected";?>>30</option> # <option value="31" <?PHP if($day==31) echo "selected";?>>31</option> # </select> # # <select name="year" id="year"> # <?PHP for($i=date("Y"); $i<=date("Y")+2; $i++) # if($year == $i) # echo "<option value='$i' selected>$i</option>"; # else # echo "<option value='$i'>$i</option>"; # ?> # </select>
If you're referring to Answers.com, it's built using PHP as a backend.
< ?php // This is an example of comment in PHP /* This is another example of comment in PHP and we can write comments in multiple lines using this method */ ? >
JavaScript lives in the browser, PHP lives on the server.To pass a value from JavaScript to a PHP page, you can eitherdo an HTML form submituse AJAXIn both cases, the value is sent to the server and you write your PHP to handle it and send a response.The important thing is that the JavaScript value won't be available in PHP when you first generate the page, creating the page and handling the value submitted from the browser are two distinct steps.
Ideal thing would be to retrieve the value from PHP using AJAX and then assigning it to a java script variable. Thereafter compare it to the java script variable that is already present.