PHP：相对于C#，PHP中的个性化语法

 1 <?php  2 $array = array("a"=>1, "b"=>2); 3  4 foreach($array as $value) { 5     echo "value$value<br/>"; 6 } 7  8 foreach($array as $key=>$value) { 9     echo "$key=>$value<br/>";10 }11 ?>

1 value12 value23 a=>14 b=>2

 1 <?php  2 $global_x = 0; 3  4 function scope_test() { 5     static $count = 0;     6     global $global_x; 7      8     $count++; 9     $global_x++;10     11     echo "$count, $global_x<br/>";12 }13 scope_test();14 scope_test();15 ?>

1 //输出内容2 1, 13 2, 2

1 <?php 2 $name = "Tom";3 $$name = "I am tom";4 5 echo $$name."<br/>";6 echo $Tom."<br/>";7 ?>

1 I am tom2 I am tom

1 <?php 2 define("HAPPY", "幸福");3 4 echo HAPPY."<br/>";5 ?>

1 //输出内容2 3 幸福

1 <?php 2 $name = "Tom";3 $$name = "I am tom";4 5 echo "$Tom,${$name},{$$name}<br/>";6 ?>

1 I am tom,I am tom,I am tom

1 <?php 2 echo <<<DOC3 段4 光5 伟6 DOC;7 ?>

1 //输出内容2 3 段 光 伟

1 <?php 2 for($i = 1; $i <= 10; $i++) {    3 }4 5 echo $i;6 ?>

1 //输出内容2 3 11

1 <?php 2 function muti_return() {3     return array(1, 2);    4 }5 6 list($x, $y) = muti_return();7 8 echo"($x, $y)";9 ?>

1 //输入内容2 3 (1, 2)