: PHP - , HTML.
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PHP ( "PHP: Hypertext Preprocessor") , HTML-.
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<html> <head> <title></title> </head> <body> <?php echo ", PHP-!";?> </body></html>HTML- .
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echo ", PHP-!";
"" , :
<?...?>
PHP (, JavaScript), , , .. , .
, , .phtml .php, , , PHP , , .html.
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1. "" (Notepad) testphp1.phtml :
<html><head><title> </title><?phpecho ", !";?></head><body></body></html>2. :
<html><head><title> PHP</title></head><body><?php$i = 6; // $d = 4.89; // $str = "PHP !"; // echo ($i + $d);echo "<br>, ! ".$str;?></body></html>3. , PHP dollar ($), , PHP . $i $d "<br>, !" $str.
4. , , , . , . :
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<html><head><title> </title></head><body><?php$i = 6; // $v = 7;$d = 4.89; // $str = " !"; // echo ($i + $d);echo "<br>, !".$str; if($i == $v){ echo $i + $v;}else{ echo $i.$v;}?></body></html>5. , . 67, . $i $v, echo $i.$v; : "6" "7". () !=, (, or, and, >, <= ..).
6. . , , . , $a++; $a .
$a = $b = 4;. testphp1.phtml :
7. , , $a = 5 5, b 5. $c = $a++; , $a 1. $d = ++$b; 1 $b, .
, (GET POST -- ).
1. "" (Notepad) testphp2.phtml :
<html><head><title> </title></head><body><?phpecho $message.", ".$name;?></body></html>2. , message name , ?, (&). , Enter .
3. testphp2_form.html. :
<form name="myform" method="get" action="testphp2.phtml"><br>:<br><input type="text" name="message"><br>:<br><input type="text" name="name"><br><input type="submit" value=" "></form>4. .
5. , , .
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6. GET POST, .
7. <input type="text" name="name"> , , :
8. , , , " " .
9. , , (radiobutton):
10. , ( ).
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1. 3 : testphp3_inc1.html, testphp3_inc2.html testphp3_inc3.html. .
2. testphp3.phtml, :
<html><head><title> </title></head><body bgcolor=silver><?php$file = "";if ($link == 1) { $file = "testphp3_inc1.html"; }if ($link == 2) { $file = "testphp3_inc2.html"; }if ($link == 3) { $file = "testphp3_inc3.html"; }if ($file == "") {?><h3>, c:</h3><a href="testphp3.phtml?link=1"> N1</a><br><a href="testphp3.phtml?link=2"> N2</a><br><a href="testphp3.phtml?link=3"> N3</a> <? } else { include($file);}?></body></html>3. , testphp3.phtml.
4. , .
5. , ; , , .
6. $titles, . <title>...</title> .
7. , . ( ) , ( ) . , / . .
8. testphp3_inc1.html, testphp3_inc2.html testphp3_inc3.html includes .
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1. testphp4_form.html, , <textarea name=message cols=10 rows=4></textarea>, <input type=text name=person> .
2. , testphp4.phtml.
3. testphp4.phtml, :
<html><head><title> </title></head><body bgcolor=silver><?php$filename = "messages.txt"; $fp = fopen($filename,"a"); if($fp){ fputs($fp, $message." ".$person); fclose($fp); } include($filename);?></body></html>4. messages.txt .
5. testphp4_form.html, .
6. : $message $person testphp4.phtml, messages.txt ( fopen, ), , , ( fputs, ).
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7. , , , .
8. , testphp4.phtml, , testphp4_form.html.
9. guestbook.jpg.
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1. , ?
2. html?
3. .
4. PHP?
5. PHP.
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