PHP comes out a function of var_export that returns structured information about any variable. Whatever the variable is that is defined with var_export() comes up with structured information. The returned value of this function is a valid PHP code. This makes var_export a unique function from its defined function var_dump(). This var_export function of PHP came after the PHP 4 stable release version of PHP. The function only returns the value as the structured information of any variable.
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Given below is the syntax of PHP var_export():
var_export(variable, return)
A variable is a required parameter with String as the Data Type for that. Where as the return is the optional parameter as the Boolean Data Type.
Example:
"; echo var_export($a) . "
"; ?>
Output:
Using PHP with basic Data Types as the example:
This takes up Integer as the input as results the structured information about the variable as Integer.
Code:
"; $a = 2; echo var_export($a) . "
"; $a = -32; echo var_export($a) . "
"; $a = 3200; echo var_export($a) . "
"; ?>
Output:
This takes up String as the input as result the structured information about the variable as String.
Code:
"; $b = "I am String"; echo var_export($b) . "
"; ?>
Output:
This takes up Double/Decimal as the input as results the structured information about the variable as Double.
Code:
"; $a = 22.51; echo var_export($a) . "
"; ?>
Output:
This takes up Array as the input as results the structured information about the variable as Array.
Code:
"; $a = array("Apple", "Grapes", "Mango"); echo var_export($a) . "
"; ?>
Output:
This takes up Array of Array as the input as results the structured information about the variable as Array.
Code:
"; $a = array(34, "Hello", array("Apple", "Grapes", "3")); echo var_export($a) . "
"; ?>
Output:
We can even set an object and map it with a variable. Calling that particular in var_export function will give the state of an object.
Let us check that with an example :
Code:
name = 'John Anand'; $person->website = 'https://php.net/John.php'; echo var_export($person); ?>
Output:
We can also define a class in PHP and use the var_export function that sets the state of the class variable.
Let us check that with an example :
Code:
var = 50; var_export($a); echo var_export(a); ?>
Output:
There are some points that need to be noted for the PHP var export function:
From the above article, we saw the use of Function var_export in PHP. We tried to see how the var_export() function works in PHP and what are is use at the programming level from various example and classification. We also saw the internal working and the advantages of having the type of data we define for various programming purposes. Also, the syntax and examples helped us to understand much precisely over the function.
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