什么是正确的PHP方式包括variable_1, variable_2, variable_3时，封闭在'& # - What is the proper PHP way to include variable_1, variable_2, variable_3 when enclosed between ' '

What is the proper PHP way to include variable_1, variable_2, variable_3 when enclosed between ' '

本文关键字：variable 3时 PHP 方式包什么 | 更新日期: 2023-09-26

我收到了以下while循环错误:

解析错误:语法错误，意想不到的T_ENCAPSED_AND_WHITESPACE，期望T_STRING

$index=1;
while ($index <= 100):
fwrite($outfile, $_POST[''"variable_" . $index'']);
fwrite($outfile, "'r");

$index = $index + 1;
endwhile;
fclose($outfile);
?>

包括variable_1, variable_2, variable_3没有得到语法错误的正确方法是什么?

谢谢。

$x = "variable_$index";
fwrite($outfile, $_POST[$x]);

我也会考虑在这里使用for循环。

// Assuming you open $outfile somewhere prior to this
for ( $i = 1; $i <= 100; $i++ ) {
    $x = "variable_$i";
    fwrite($outfile, $_POST[$x]);
    fwrite($outfile, "'r");
} 
fclose($outfile);

看起来你把引号弄混了——你不需要''部分:

$_POST["variable_" . $index]

single和double引号有误

fwrite($outfile, $_POST["'variable_" . $index."'"]);

fwrite($outfile, implode("'r", array_values($_POST)));