get_defined_vars

PHP 4 >= 4.0.4, PHP 5, PHP 7, PHP 8
get_defined_vars - Returns an array of all defined variables
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get_defined_vars( ): array

This function returns a multidimensional array containing a list of all defined variables, be them environment, server or user-defined variables, within the scope that get_defined_vars is called.

Parameters

This function has no parameters.

Return Values

A multidimensional array with all the variables.

Related Functions

  • get_defined_constants - Returns an associative array with the names of all the constants and their values
  • get_defined_functions - Returns an array of all defined functions
  • isset - Determine if a variable is declared and is different than null

Example of get_defined_vars

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Function get_defined_vars:

Variable handling Functions

Most used PHP functions