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PHP | ReflectionMethod export() Function

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  • Last Updated : 28 Nov, 2022
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The ReflectionMethod::export() function is an inbuilt function in PHP which is used to return the export as a string if the return parameter has been set to TRUE, otherwise NULL is returned. Syntax:

string ReflectionMethod::export ( $class, $name, $return )

Parameters: This function accepts three parameters as mentioned above and described below:

  • class: This is the name of the initialized class.
  • name: This is the name of the method.
  • return: It’s value is either TRUE or FALSE. Using TRUE will return the export whereas using FALSE will do the opposite.

Return Value: This function returns the export as a string if the return parameter has been set to TRUE, otherwise NULL is returned. Below programs illustrate the ReflectionMethod::export() function in PHP: Program_1: 

php




<?php
 
// Initializing a user-defined class
class Company {
 
    protected function GeeksforGeeks($name) {
        return 'GFG' . $name;
    }
}
 
// Using ReflectionMethod() over the class Company
$A = new ReflectionMethod(new Company(), 'GeeksforGeeks');
 
// Calling the export() function
$B = $A->export( 'Company', 'GeeksforGeeks', $return = TRUE );
 
// Getting the export as a string if the
// return parameter has been set to TRUE,
// otherwise NULL is returned.
var_dump($B);
?>

Output:

string(171) "Method [ <user> protected method GeeksforGeeks ] {
  @@ /home/cd1a603457d3beda20350155354b4363.php 6 - 8

  - Parameters [1] {
    Parameter #0 [ <required> $name ]
  }
}
"

Program_2: 

php




<?php
 
// Initializing some user-defined classes
class Department1 {
 
    protected function HR($name) {
        return 'hr' . $name;
    }
}
class Department2 {
 
    protected function Coding($name) {
        return 'coding' . $name;
    }
}
class Department3 {
 
    protected function Marketing($name) {
        return 'marketing' . $name;
    }
}
 
// Using ReflectionMethod() over the above classes
$A = new ReflectionMethod(new Department1(), 'HR');
$B = new ReflectionMethod(new Department2(), 'Coding');
$C = new ReflectionMethod(new Department3(), 'Marketing');
 
// Calling the export() function and
// Getting the export as a string if the
// return parameter has been set to TRUE,
// otherwise NULL is returned.
var_dump($A->export( 'Department1', 'HR', $return = TRUE ));
var_dump($B->export( 'Department2', 'Coding', $return = FALSE ));
var_dump($C->export( 'Department3', 'Marketing', $return = FALSE ));
?>

Output:

string(160) "Method [ <user> protected method HR ] {
  @@ /home/b1fa43e2f382f32d60abd4370db4a4f6.php 6 - 8

  - Parameters [1] {
    Parameter #0 [ <required> $name ]
  }
}
"
Method [ <user> protected method Coding ] {
  @@ /home/b1fa43e2f382f32d60abd4370db4a4f6.php 12 - 14

  - Parameters [1] {
    Parameter #0 [ <required> $name ]
  }
}

NULL
Method [ <user> protected method Marketing ] {
  @@ /home/b1fa43e2f382f32d60abd4370db4a4f6.php 18 - 20

  - Parameters [1] {
    Parameter #0 [ <required> $name ]
  }
}

NULL

Reference: https://www.php.net/manual/en/reflectionmethod.export.php


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