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 <?php
 $php = array(0=>”php”,1=>”phpdo”,2=>”www.phpdo.net”);
 foreach($php as $value)
 {
 echo “value:$value;”;
 }
 echo “<BR>”;
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 echo “key:$key;value:$value”;
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 ?>
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value:php;value:phpdo;value:www.phpdo.net;
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 <?php
 $php = array(“php1″=>array(0=>”php”,1=>”phpdo”),”php2″=>array(0=>”phpdo.net”,1=>”www.phpdo.net”));
 foreach($php as $value1)
 {
 foreach($value1 as $value2)
 {
 echo “$value2\n”;
 }
 }
 ?>
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$s = "new string";
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$str_2 = "Ë«ÒýºÅÖ¸¶¨µÄ×Ö·û´®£¬\$s";
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