How to convert multidimensional array to string in php

php method to convert multi-dimensional array to string: first define a variable, an array variable; then use php's "json_encode" method to convert the two-dimensional array into a json string; finally use the "var_dump" method to output The converted result is enough.

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php generates a two-dimensional array with {} The string

In php, we first define a variable, an array variable.

Define two more array variables, and now there are three array variables.

Then define a data variable, but the array value of this variable is the array defined before, which means that this variable is a two-dimensional array.

To convert a two-dimensional array into a json string, you can use the json_encode method of PHP.

Finally we use the var_dump method to output the converted results.

Run the page and you can see the converted json string, which is a string with curly brackets {}.

To convert this json string back into an array, we can use PHP's json_decode method.

The converted result is a two-dimensional array.

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