Several classic codes that you must collect when learning PHP Page 1/2-PHP Tutorial-php.cn

Several classic codes that you must collect when learning PHP Page 1/2

WBOY

Release： 2016-07-29 08:37:52

Original

1100 people have browsed it

Classic loop example

Classic loop example

for($counter = 1; $ counter <= 6; $counter++) //Loop 6 times
} {

;BODY> <? . <OL>n"); for($currentDate = date("U"); //Define the $currentDate time format date("l", $currentDate) != "Monday"; //Judge whether it is current The system time is Monday. print("<LI>" . date ("l", $currentDate) . "n"); } print("</OL>n"); ?> </BODY> </HTML> Simple call of function : <HTML> <HEAD> <TITLE>Simple function

<
function printBold ($inputText) //Define function printBold()
{
"This business No aggravation!
n"); . ("This line is not emphasized!
n"); //Print the string directly
?>

Function with return value

Function with return value

function makeBold ($inputText) //Define the function makeBold() function
 >";
 return($ boldedText); //Return variable $boldedText
}
print("This line is not bold!!!
n"); //Print the string directly
print(makeBold("This line is bold!!! ")." & Lt; br & gt; n "); // Call the function makebold () function
Print (" This line is not worse!!!!
n"); //Print the string directly
?>

Function with default parameters

< HEAD>
"black") . This is the word of black color! "); // call the function function
Print (" & lt; br & gt; & lt; br & gt;"," Blue "); // Call the function function
Print (" & lt; br & gt; n "); Algorithm to determine whether it is an integer

Judge integer

Function checkInteger($Number)
{

 elseif($Number * For a negative number, */
/* You can analyze its absolute value*/

 }
 * According to relevant mathematical definitions */
 " ;BR>n");
print("7 is an integer? " .
checkInteger(7) . "
n");
print(" What about 3.5? " . checkInteger(3.5) . "
n");
print("What about -5?" . checkInteger(-5) . " n");
print("And -9.2?" . checkInteger(-9.2) . "
n");
?>

Initialize array

Initialize array

& lt;? " September", "October", "November", "December");
print(""May" in English is $monthName[5] .
n");//Print the 6th element in the array
?>

Get the element in the array

Get elements in the array

$monthName = array(
) /*Define $monthName[1] to $monthName[ 12]*/
1=>"January", "February", "March",
"April", "May", "June",
"July", "August", "September",
" October ", "November", "December",
/*Define $monthName["Jan"] to $monthName["Dec"]*/
"Jan"=>"January", "Feb"=>"February ",
"Mar"=>"March", "Apr"=>"April",
"May"=>"May", "Jun"=>"June",
"Jul"=> ;"July", "Aug"=>"August",
"Sep"=>"September", "Oct"=>"October",
"Nov"=>"November", "Dec" =>"December",
" /*Define $monthName["Jan"] to $monthName["Dec"]*/
"January"=>"January", "February"=>"February",
"March"=>"March", "April"=>"April",
"May"=>"May", "June"=>"June",
"July"=>"July ", "August"=>"August",
"September"=>"September", "October"=>"October",
"November"=>"November", "December"=> "December"
);
/*Print related elements*/
print("Month 5 is " . $monthName[5]. " n");
print("Month Aug is " . $monthName["Aug"] . "
n");
print("Month June is " . $monthName["June"] . "
n");
?>

Create a multidimensional array

Create a multidimensional array

 "North China" =>array(
"Xi'an",
"Lhasa"
" Northern Region"][0]
?>

Current page 1/2 12Next page

The above has introduced the 1/2 pages of several classic codes that must be collected when learning PHP, including relevant content. I hope it will be helpful to friends who are interested in PHP tutorials.