从长字符串中分解出多维数组

Question

I have a string:

Some text1    Info about text1     Numbers about text1  
Some text2    Info about text2     Numbers about text2  
Some text3    Info about text3     Numbers about text3

Every line is of course ending with a , and every text bit is separated with a \t. This is something I cannot change.

i.e. Some text1\tInfo about text1\tNumbers about text1

The string comes via a $_POST() and I then want to explode this so that i can save each part of each line in my DB.

My code:

$sigs = $_POST['allSigInput'];

$strings = explode ("
", $sigs);
$sigCount = count($strings);

var_dump($strings);

foreach($strings as $string) {
    for($c=0; $c<=$sigCount; $c++) {
        ${'sigArr_'.$c} = explode ("\t", $string);
    }
}

This explodes the string just fine but var_dump(); for all $sigArr_# are the same, and the last array saved.

So all 3 outputs are the same:

array (size=3)
  0 => string 'Some Text3'
  1 => string 'Info about text3'
  2 => string 'Numbers about text3'

I would of course like the 3 arrays to contain info respectively to each line of text and be exploded so every bit of text separated by \t, is in an array.

Answer 1

I'm not sure how you wish to store the data but I think you have an extra loop here.

foreach($strings as $string) {
    for($c=0; $c<=$sigCount; $c++) {
        ${'sigArr_'.$c} = explode ("\t", $string);
    }
}

Eighter use foreach or for in order the loop through strings array.

And your test condition in for loop is wrong

for($c=0; $c<=$sigCount; $c++)

should be

for($c=0; $c<$sigCount; $c++)

Say you wish to use the for loop, then your code becomes

//foreach($strings as $string) {
    for($c=0; $c<$sigCount; $c++) {
        ${'sigArr_'.$c} = explode ("\t", $strings[$c]);
    }
//}

Then you can see the output correcty with

var_dump($sigArr_0);
var_dump($sigArr_1);