PHP$a[]和$a的区别,php区别
PHPa[]和a的区别
$a[]=array('b'=>'b','c'=>'c');
$b=array('b'=>'b','c'=>'c');
echo $a[0]['c'];
echo $b['c'];
也就是说$a[]本身就是一个数组,被array()赋值以后ibanchengle二维数组
$a = array(1, 2, 3);
$a[] = 5;
这时,输出$a,Array ( [0] => 1 [1] => 2 [2] => 3 [3] => 5 )
$a = array();
$a[] = 1;
这时,输出$a,Array ( [0] => 1 )
/php/19903.htmlwww.phpzy.comtrue/php/19903.htmlTechArticlePHP$a[]和$a的区别,php区别 PHP a [ ] 和 a的区别 $a []= array ( 'b' = 'b' , 'c' = 'c' ); $b = array ( 'b' = 'b' , 'c' = 'c' ); echo $a [ 0 ][ 'c' ]; //输出c echo $b [ 'c' ]; //输出c 也就是说 $a []本身就是一个数组,被...
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