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<?php   
  
$var = 'Bob';   
$Var = 'Joe';   
echo "$var, $Var";            
// Êä³ö Bob, Joe   
  
$4site = 'not yet';   // ·Ç·¨±äÁ¿Ãû£¬ÒÔÊý×Ö¿ªÍ·   
$_4site = 'not yet';  // ºÏ·¨±äÁ¿Ãû£¬ÒÔÏ»®Ïß¿ªÍ·   
$iÕ¾µãis = 'mansikka'; // ºÏ·¨±äÁ¿Ãû£¬¿ÉÒÔÓÃÖÐÎÄ   
  
?>   
<?php
$var = 'Bob';
$Var = 'Joe';
echo "$var, $Var";       
// Êä³ö Bob, Joe
$4site = 'not yet'; // ·Ç·¨±äÁ¿Ãû£¬ÒÔÊý×Ö¿ªÍ·
$_4site = 'not yet'; // ºÏ·¨±äÁ¿Ãû£¬ÒÔÏ»®Ïß¿ªÍ·
$iÕ¾µãis = 'mansikka'; // ºÏ·¨±äÁ¿Ãû£¬¿ÉÒÔÓÃÖÐÎÄ
?>
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$y=($x=10);
$y+=($x=10);
$z=&$x;
$condition?$true_item:$false_item;
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$a = 'hello';   //ÆÕͨ±äÁ¿   
  
$$a = ' ......
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