Use $_POST to get input values
PMA00:04
It will execute the whole file as PHP. The first time you open it, $_POST['submit'] won't be set because the form has not been sent.
<?php
if (isset($_POST['submit'])) {
$example = $_POST['example'];
$example2 = $_POST['example2'];
echo $example . " " . $example2;
}
?>
<form action="" method="post">
Example value: <input name="example" type="text" />
Example value 2: <input name="example2" type="text" />
<input name="submit" type="submit" />
</form>PHP Write and Read from File
PMA00:00
$fp = @fopen ("text1.txt", "r");
$fh = @fopen("text2.txt", 'a+');
if ($fp) {
//for each line in file
while(!feof($fp)) {
//push lines into array
$thisline = fgets($fp);
$thisline1 = trim($thisline);
$stringData = $thisline1. "\r\n";
fwrite($fh, $stringData);
fwrite($fh, "test");
}
}
fclose($fp);
fclose($fh); Check if image file ??
PMA23:56
allow_url_fopen is activated in your PHP config $filename = "http://".$_SERVER['SERVER_NAME']."/media/img/".$row['CatNaam'].".jpg";
echo" <img src=\"".$filename."\" alt=\"".$row['CatNaam']."\">";
if (file_exists($filename)) {
echo "The file $filename exists";
} else {
echo "The file $filename does not exist";
}PHP mail function
PMA23:53
sendmail cofiguration in php.ini fileIf the smtp server you're trying to relay the
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PMA05:35
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Writing Java Programs
PMA05:03
amount variable’s value.
class test {
public static void main(String args[]) {
double amount;
amount = 5.55;
class test {
public static void main(String args[]) {
double amount;
amount = 5.55;
HTTP “200 OK” response
PMA04:19
A complete request is not necessarily a successful request, and
your handler for the load event should check the status code
of the XMLHttpRequest object to ensure that you received an
HTTP “200 OK” response rather than a “404 Not Found” response,
your handler for the load event should check the status code
of the XMLHttpRequest object to ensure that you received an
HTTP “200 OK” response rather than a “404 Not Found” response,
var keyword JavaScript
PMA04:14
The var and function are declaration statements—they declare
or define variables and functions. These statements define
identifiers (variable and function names) that can be used elsewhere
in your program and assign values to those identifiers.
Declaration statements don’t do much themselves, but by creating
variables and functions they, in an important sense,
or define variables and functions. These statements define
identifiers (variable and function names) that can be used elsewhere
in your program and assign values to those identifiers.
Declaration statements don’t do much themselves, but by creating
variables and functions they, in an important sense,
Expression Statements
PMA04:12
Assignment statements are one major category of
expression statements.
For example:
expression statements.
For example: