Print variable types: Difference between revisions

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Print type of the variable
Print the type of the variable or just print the variable


== Print the type of the variable ==
PHP gettype()<ref>[http://php.net/manual/en/function.gettype.php PHP: gettype - Manual]</ref>:
PHP gettype()<ref>[http://php.net/manual/en/function.gettype.php PHP: gettype - Manual]</ref>:
<pre>
<pre>
Line 32: Line 33:


R: [https://stat.ethz.ch/R-manual/R-devel/library/base/html/typeof.html typeof()]
R: [https://stat.ethz.ch/R-manual/R-devel/library/base/html/typeof.html typeof()]
== Print the variable ==
PHP
* [http://php.net/manual/en/function.print-r.php PHP: print_r - Manual] or
* [http://php.net/manual/en/function.var-dump.php PHP: var_dump - Manual]
<pre>
# define the variable
$var = 3.14159;
echo print_r($var, true) . PHP_EOL;
var_dump($var);
</pre>
Python
* [https://www.python-course.eu/python3_print.php Python3 Tutorial: Output with Print]
* [https://stackoverflow.com/questions/1987694/how-to-print-the-full-numpy-array python - How to print the full NumPy array? - Stack Overflow]
<pre>
# define the variable
var = 3.14159
print(var)) # python v. 3
</pre>


== References ==
== References ==

Revision as of 16:34, 8 April 2018

Print the type of the variable or just print the variable

Print the type of the variable

PHP gettype()[1]: 

# define the variable
$var = 3.14159;

# print type of the variable
echo "type of variable: " . gettype($var);

Python type():[2][3] or print(type(var)) 

# define the variable
var = 3.14159

# print type of the variable
type(var) # return <class 'type'>
print(type(var))
print("type of variable: " + str(type(var))) # python v. 3 cast type to string

Javascript typeof()[4] 

# define the variable
var a = 3.14159;

# print type of the variable
typeof a;
console.log("type of variable:: " + typeof a);

R: typeof()


Print the variable

PHP 

# define the variable
$var = 3.14159;

echo print_r($var, true) . PHP_EOL;
var_dump($var);

Python 

# define the variable
var = 3.14159

print(var)) # python v. 3

References

  1. ↑ PHP: gettype - Manual
  2. ↑ type
  3. ↑ Type cast variable to String in python | Ploy's Blog | A Blog About Techinical Stuff
  4. ↑ JavaScript : typeof operator - w3resource

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