Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
32 Cards in this Set
- Front
- Back
|
CONCATENATE |
. for most things .= to add to variables |
|
|
Create array |
$arrayName=array('item1', 'item2'); |
|
|
view whole array |
print_r($arrayName); |
|
|
view specific of array |
echo $arrayName[1]; |
|
|
Add to array |
$arrayName[]= 'item3'; |
|
|
length of array |
count($arrayName); |
|
|
Output array |
echo 'this is an array' . $arrayName[1]; If associative echo "this is an {$arrayName[red]}" |
|
|
Associative Array Creation |
$assArray= array('red'=> 'apple', 'yellow' => 'banana') |
|
|
Add to associative array |
$assArray['key']='new item'; |
|
|
Comparitors |
&& = and || = or |
|
|
Switch statements |
switch($variabletocompare){ case 'valueofvariable': result; break; case 'option1: case 'option2': result; break; default: result; } |
|
|
Shorthand if |
$result= (argument) ? true : false; |
|
|
While loop |
$i=1 while ($i<10){ result; $i++; } |
|
|
Do While |
do { result; $i++; }while ($i<10); |
|
|
For Loop |
for ($i=0; argument; $i++){ result; } |
|
|
Skipping part of For loop |
to skip one part of for loop then use if statement with continue as result |
|
|
For Each Used with? Syntax |
Arrays foreach($arrayName as $value){ result; } note: $value is just a throw away temp variable and does not matter the name |
|
|
For each Associative Array |
foreach ($arrayName as $key => $value){ result; } note: $key and $value is just a throw away temp variable and does not matter the name |
|
|
Function (pass by value) |
function functionname($variable){ code to do; return $result; } |
|
|
To use function |
functionname($variable or amount); |
|
|
Function (pass by reference) |
function nameoffunction(&$existingvariable){ code; result; } |
|
|
Includes file path |
needs to be relative and have ./ in front of it EX: ./folder/newfile.php |
|
|
Objects and Methods How to initialize object How to call method |
$variable= new object; $objectvariable -> $method('method parameters'); |
|
|
How to make a class |
class classname{ code; //can include functions } |
|
|
Superglobals |
Always start with underscore and are in all caps |
|
|
Form Variable Names |
name="thisisvariablename" |
|
|
Mail Function |
mail($to, $subject, $body); //$headers are optional |
|
|
Adding headers to mail |
$header can add cc, bcc, from Must end in new line \r\n may need -fmyemail@address.com at end of header add to header by using concatenate |
|
|
MySQL validation |
mysql_real_escape_string($var); |
|
|
how to check if form field is filled in? |
isset($_POST('name'); |
|
|
text validation |
$excludeString= '/everything to exclude/'; preg_match($excludeString,$vartotest); pregmatch gives either 0 or 1 |
|
|
test length of string |
strlen($string) |
