PHP 代码示例：使用 explode 函数分割字符串并输出

代码如下：

$aa='a,aa
haa
b,bb
hbb
c,cc
hcc';

$rows = explode("\n", $aa);
foreach ($rows as $row) {
    $cols = explode(",", $row);
    echo $cols[0] . "," . $cols[1] . "," . $cols[2] . "\n";
}

运行结果为：

a,aa,haa
b,bb,hbb
c,cc,hcc