Function __global->isset

Definitions

sources_custom/phpstub.php

  • Finds whether a variable exists / is not null / is an actually dereferencable array element. Do not use this for the null case, and otherwise ONLY when for efficiency reasons.
  • Visibility: public
  • Is abstract?: No
  • Is static?: No
  • Is final?: No
  • Returns: bool

Parameters

Name Type Passed by reference? Variadic? Default Set Range Description
&$path_a mixed Yes No required parameter N/A N/A The variable
&$path_b mixed Yes No True N/A N/A The variable
&$path_c mixed Yes No True N/A N/A The variable
&$path_d mixed Yes No True N/A N/A The variable

Returns

  • Whether it is set
  • Type: boolean
  • Set: N/A
  • Range: N/A

Preview

Code (PHP)

/**
 * Finds whether a variable exists / is not null / is an actually dereferencable array element. Do not use this for the null case, and otherwise ONLY when for efficiency reasons.
 *
 * @param  mixed $path_a The variable
 * @param  mixed $path_b The variable
 * @param  mixed $path_c The variable
 * @param  mixed $path_d The variable
 * @return boolean Whether it is set
 */
function isset(&$path_a, &$path_b = true, &$path_c = true, &$path_d = true) : bool