PHP View current variable type method, PHP view current variable _php tutorial

PHP View the current variable type method, PHP view the current variable

Below the PHP view of the current variable type background, process and solutions are written to everyone, as follows:

Resolving the background

Toss process one:

The Json_decode of JSON in PHP has not worked without any output

Period, need to understand a:

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Php:curl_exec–manual

Curl_exec returns the type of variable $respjson that is not a string type.

Toss process two:

1. Search:

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PHP Check Variable type

Reference:

Php:gettype–manual

Php:is_string–manual

Php:is_int–manual

So try it out:

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$respJson = $crifanLib->geturlresphtml ($GETTOKENURL);
$crifanLib->logwrite ("respjson=%s", $respJson);
Echo GetType ($respJson);
echo is_string ($respJson);
echo "Before Decodedjsonobj";
$DECODEDJSONOBJ = Json_decode ($respJson);

Results:

There is still no output ...

2. Try:

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Echo GetType ($respJson);
echo is_string ($respJson);

Results:

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Output: String1

It proves that the type of the variable here is indeed a string.

Summarize

The variable type obtained in PHP is GetType ($var);

Individual judgments are of a certain type, which can be used:

Copy the Code code as follows:
Is_int
Is_string

Wait a minute.

The above is for PHP to view the current variable types of methods, I hope you like.

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