cpe207-Basic Web Programming

chapter1_1.php

<?php
  //echo ini_get('upload_max_filesize');
	phpinfo();
?>

chapter1_10.php

<?php
  $next=1;
  echo 'next number is '.$next++;
  echo "<br>";

  $next=1;
  echo 'next number is '.++$next;
  echo "<br>";
?>

chapter1_11.php

<?php
#index array
$cars = array("Volvo", "BMW", "Toyota");
echo 'I like '. $cars[0].' , '.$cars[1].' and '.$cars[2];
echo '<br>';
echo '<br>';

$arrlength=count($cars);
for($x=0;$x<$arrlength;$x++) {
	echo $cars[$x].'<br>';	
}
echo '<br>';
?>

chapter1_12.php

<?php
  #assoc array
  $age['Peter'] = 35;	
  $age['Ben'] = 43;	
  $age['Joe'] = 53;
  echo 'Peter is ' . $age['Peter'].' years old.';

  echo '<br>';echo '<br>';
  foreach($age as $key=>$value)
  {
    echo 'Key= '.$key. ' , Value= '.$value.'<br>';
  }
?>

chapter1_13.php

<?php
  #multi array
  $marks = array(             
              "john" => array (
                 "course" => "physics",
                 "point" => 32
              ),            
              "zara" => array (
                 "course" => "physics", 
                 "point" => 39
              )
           );
  echo '<pre>';
  print_r($marks);
  echo '</pre>';
  echo '<br>';
  echo 'John get '. $marks['john']['point'] .' point in '. $marks['john']['course'] ;
?>

chapter1_14.php

<?php
  #local variable
	function assignx () { 
     	 $x = 0;
      	 echo "$x inside function is $x. <br>";
   	}   
   	$x = 4;   
   	assignx();
   	echo "$x outside of function is $x. <br>";
?>

chapter1_15.php

<?php
#global variable 
   function addit() {
      GLOBAL $somevar;
      $somevar++;      
      echo "Somevar is $somevar <br>";
   } 
   $somevar = 15;  
   addit();
?>

chapter1_16.php

<?php
#static variable
   function keep_track() {
      STATIC $count = 0;
      $count++;
      echo 'count is '.$count.'<br>';
 }

   $count=9;

   keep_track();	// 1
   keep_track();	// 2
   keep_track();	// 3
?>

chapter1_2.php

<?php
 echo "My heading ";
 print "with style";
?>

chapter1_3.php

<?php
	echo "<h1>My heading with style</h1><br>";
	print "<h2>My heading</h2>";
?>

chapter1_4.php

<?php
  $month='March';
  echo 'current variable type is <b>'.gettype($month) . "</b><br>";
  $month=3;
  echo 'new variable type is <b>'.gettype($month) . "</b><br>";


  $month="3";
  echo "month \'s value is $month , variable type is <b>".gettype($month) . "</b><br>";
  $monthId=(int)$month;
  echo "monthId \'s value is $monthId , variable type is <b>".gettype($monthId) . "</b><br>";
?>

chapter1_5.php

<?php
  $a = 'hello';
  $$a = 'world';
  echo "$a $hello";	
  echo '<br>';
  ${'a' . 'b'} = 'hello there';
  echo $ab;
?>

chapter1_6.php

<?php
  define('FRUIT','apple',true);
  ECHO FRUIT;
  echo '<br>';
  ECHO fruit;
  echo '<br>';
?>

chapter1_7.php

<?php
  echo  "This line number is : " .__LINE__;	
  echo "<br>";
  echo "The full path of this file is: " . __FILE__;
  echo "<br>";
  echo dirname(__FILE__); 
  echo "<br>";
?>

chapter1_8.php

<?php
  $variable='data';// \'s value
  echo 'My $variable will not print'; 
  echo "<br>";
  echo "My $variable will print";
?>

chapter1_9.php

<?php
  $x=100;
  $y='100';
  if($x===$y)
    echo 'equal';
  else 
    echo 'not equal';
?>