README

General-purpose helper functions used across Roots WordPress projects.

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Requirements

• PHP 5.6+

Installation

composer require roots/support

Helpers

This package autoloads helpers.php and provides:

• Roots\env($key, $default = null)
  Laravel-compatible environment lookup.
  Deprecated when \Illuminate\Support\Env is available (it delegates there automatically).
• Roots\value($value)
  Returns $value() if the value is a closure, otherwise returns the value unchanged.
• Roots\add_filters(iterable $filters, $callback, $priority = 10, $args = 2)
  Registers one callback across many filter hooks.
• Roots\remove_filters(iterable $filters, $callback, $priority = 10)
  Removes one callback across many filter hooks.
• Roots\add_actions(iterable $actions, $callback, $priority = 10, $args = 2)
  Alias of add_filters.
• Roots\remove_actions(iterable $actions, $callback, $priority = 10)
  Alias of remove_filters.
• Roots\wp_die($message, $subtitle = '', $title = '', $footer = '')
  Wrapper around WordPress wp_die() with Roots-flavored defaults.

Usage

<?php

use function Roots\add_actions;
use function Roots\env;

$apiKey = env('API_KEY', '');

add_actions(
    ['init', 'wp_loaded'],
    function () use ($apiKey) {
        if (! $apiKey) {
            return;
        }

        // Do work...
    }
);

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