Print variable types: Difference between revisions
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== Print the type of the variable == | == Print the type of the variable == | ||
=== PHP === | |||
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> | ||
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</pre> | </pre> | ||
=== Python === | |||
Python type():<ref>[https://docs.python.org/3.6/library/functions.html?highlight=type#type type]</ref><ref>[https://waoewaoe.wordpress.com/2009/05/18/type-cast-variable-to-string-in-python/ Type cast variable to String in python | Ploy's Blog | A Blog About Techinical Stuff]</ref> or {{kbd | key=<nowiki>print(type(var))</nowiki>}} | Python type():<ref>[https://docs.python.org/3.6/library/functions.html?highlight=type#type type]</ref><ref>[https://waoewaoe.wordpress.com/2009/05/18/type-cast-variable-to-string-in-python/ Type cast variable to String in python | Ploy's Blog | A Blog About Techinical Stuff]</ref> or {{kbd | key=<nowiki>print(type(var))</nowiki>}} | ||
<pre> | <pre> | ||
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</pre> | </pre> | ||
=== Javascript === | |||
Javascript typeof()<ref>[https://www.w3resource.com/javascript/operators/typeof.php JavaScript : typeof operator - w3resource]</ref> | Javascript typeof()<ref>[https://www.w3resource.com/javascript/operators/typeof.php JavaScript : typeof operator - w3resource]</ref> | ||
<pre> | <pre> | ||
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</pre> | </pre> | ||
=== R === | |||
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 == | == Print the variable == | ||
Revision as of 10:53, 22 September 2018
Print the type of the variable or just print the variable
Print the type of the variable
PHP
PHP gettype()[1]:
# define the variable $var = 3.14159; # print type of the variable echo "type of variable: " . gettype($var);
Python
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
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
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
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