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PHP Basic
• PHP Introduction
• Datatype,Operator
• Variables , Include , Define
• Session & Cookies
• File Download & Upload
Date & Math Function
• PHP Date Function
• PHP Time Function
• PHP Math Function
PHP String Functions
Array Functions
MySql Functions
• Mysql Functions(php4)
• Mysql Functions(php5+)
Some Special Functions

  	
			<?php
				function sendmail($to,$subject,$body,$from='admin',$cc='',$bcc=''){
						$headers = "";
						if($from){
							$headers .= "From:$from\n";
						}
						$headers  .= "MIME-Version: 1.0\n";
						$headers .= "Content-type: text/html; charset=iso-8859-1\n";
						if($cc){
							$headers .= "Cc:$cc\n";
						}
						if($bcc){
							$headers .= "Bcc:$bcc\n";
						}
						$headers .= "Message-ID: <". time() .rand(1,1000). "@".$_SERVER['SERVER_NAME'].">". "\n";
						ini_set("sendmail_from", $from);
						$msg        =mail($to,$subject,stripslashes($body),$headers, "-f{$to}");
						return $msg;
					}
			?>
		

  	
			<?php
				$var = '';
				if (isset($var)) {
						echo "This var is set so I will print.";
				}
			?>
		

  	
			<?php
				$foo = NULL;
				$inexistent=NULL;
				var_dump(is_null($inexistent), is_null($foo));
			?>
		

  	
			<?php
				$var = 0;
				if (empty($var)) {
					echo '$var is either 0, empty, or not set at all';
				}
				if (isset($var)) {
					echo '$var is set even though it is empty';
				}
			?>
		

  	
<?php
$str = "Jane & 'Tarzan'";
echo htmlentities($str, ENT_COMPAT);
?>
		

  	
			<?php
				$userinput = urlencode('20?/30');
				print "
".$userinput."
";
				echo 'test';
			?>
		

  	
			<?php
				echo uniqid();
			?>
		

  	
			<?php
				$input_string = 'Good Morning';  
				echo 'Original string : '.$input_string.'
';  
				echo '16 bit binary format : '.md5($input_string, TRUE).'
';  
				echo '32 bit binary format : '.md5($input_string).'
';  
			?>
		

  	
			<?php
				echo nl2br("One line.\nAnother line."); 
			?>
		

  	
<?php
// Date in the past
header("Expires: Mon, 26 Jul 1997 05:00:00 GMT");
header("Cache-Control: no-cache");
header("Pragma: no-cache");
?>
		

  	
<?php
$str = "$99.99 and 10% tax";
print "Original String : " .$str;
print "
";
$encode = urlencode($str);
print "After encoded : " .$encode;
print "
";
$decode = urldecode($encode);
print "After decoded : " .$decode;
?>
		

  	
<?php
error_reporting(0);
// Turn off all error reporting
error_reporting(E_ERROR | E_WARNING | E_PARSE);
// Report simple running errors
error_reporting(E_ERROR | E_WARNING | E_PARSE | E_NOTICE);
// Reporting E_NOTICE can be good too (to report uninitialized.
//variables or catch variable name misspellings ...)
error_reporting(E_ALL ^ E_NOTICE);
//Report all errors except E_NOTICE.
//This is the default value set in php.ini
error_reporting(E_ALL);
// Report all PHP errors (see changelog)
error_reporting(-1);
// Report all PHP errors
ini_set('error_reporting', E_ALL);
// Same as error_reporting(E_ALL);
?>

  	
<?php
// get host name from URL
preg_match('@^(?:http://)?([^/]+)@i',"http://www.php.net/index.html", $matches);
$host = $matches[1];
// get last two segments of host name
preg_match('/[^.]+\.[^.]+$/', $host, $matches);
echo "Domain name is: {$matches[0]}";
?>

  	
<?php
preg_match_all("|<[^>]+>(.*)]+>|U","example: 
this is a test
",$out, PREG_PATTERN_ORDER);
echo $out[0][0] . ", " . $out[0][1] . "\n";
echo $out[1][0] . ", " . $out[1][1] . "\n";
?>

  	
<?php
print_r(pathinfo("/testweb/test.txt"));
?>

  	
<?php
print_r(pathinfo("/testweb/test.txt",PATHINFO_BASENAME));
?>

  	
<?php
parse_str("id=23&name=Kai%20Jim");
echo $id."
";
echo $name;
?>

  	
<?php
parse_str("id=23&name=Kai%20Jim",$myArray);
print_r($myArray);
?>

  	
<?php
$str = "Jane & 'Tarzan'";
echo htmlspecialchars($str, ENT_COMPAT);
echo "
";
echo htmlspecialchars($str, ENT_QUOTES);
echo "
";
echo htmlspecialchars($str, ENT_NOQUOTES);
?>