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Description

Adds hooks before loading WP.

Usage

$bool = tests_add_filter( $tag, $function_to_add, $priority, $accepted_args );

Parameters

$tag

( string ) required – The name for the filter to add.

$function_to_add

( object|array ) required – The function/callback to execute on call.

$priority

( int ) optional default: 10 – The priority.

$accepted_args

( int ) optional default: 1 – The amount of accepted arguments.

Returns

bool Always true.

Source

File name: wordpress-develop-tests/phpunit/includes/functions.php

function tests_add_filter( $tag, $function_to_add, $priority = 10, $accepted_args = 1 ) {
  global $wp_filter;

  if ( function_exists( 'add_filter' ) ) {
    add_filter( $tag, $function_to_add, $priority, $accepted_args );
  } else {
    $idx                                    = _test_filter_build_unique_id( $tag, $function_to_add, $priority );
    $wp_filter[ $tag ][ $priority ][ $idx ] = array(
      'function'      => $function_to_add,
      'accepted_args' => $accepted_args,
    );
  }
  return true;
}
 

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