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Hello, I need to assign several array to a single variable, their value will all be in sequence in this variable. Ex.:
$variavel = $array[0] . $array[1] . $array[2] . $array[3] . $array[4];
echo $variavel
This variable uses it later in an IF to make several comparisons, as I can do this without having to write infinitely assigned array?
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Utilize implode to join/concatenate the values of the arrays
echo implode(array);
See the result: https://3v4l.org/lDbln
About the if, if they are comparisons, it is best to deal directly in the array.
You can use the following functions:
in_array - search if a value exists in the array;array_filter - filter the array and return the values passed through the filter;array_reduce - apply a function and reduce an array to a single value. The two previous functions are the most recommended ones, however, if necessary, you can apply a function and return true/false.Comparing the string directly may not bring consistent results. I won’t go into performance issues, because there’s no need.
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change:
echo $variavel;
for:
echo serealize($varialvel);
or
echo json_encode($variavel);
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It worked! Is there any way to generate these array? For example, generate array1, array2, array3 and so on... I know from
forbut when I try with it, I can’t get the variable that receives the array, outside the scope– user65739
@Sulivansantos I don’t understand the question. Generate in what way? What do you want to "create"?
– Gabriel Heming
I will try to explain, each position of the array stores information coming from the database, in the logic I am using here I take the variable that receives the concatenation of all the positions of the array, however for this, I need to express all the positions of the array manually in the code, wanted a way to simplify this, so that if you have for example 50 positions, I do not need to write 50 times, for example:
$variavel = $array[0] . $array[1] . $array[2] ... $array[49] . $array[50];– user65739
@Sulivansantos utilize foreach.
foreach($array as $var) { echo $var; }. Run this code and see how it works.– Gabriel Heming