dotenv/env.php at master · mykemeynell/dotenv · GitHub

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<?php

if ( ! function_exists( 'load_env' ) ) {

	/**
	 * Load the environment file if it exists
	 *
	 * @param string $path
	 * @return boolean Always returns true.
	 */
	function load_env( $path ) {

		$path = rtrim( $path, '/' );

		if( file_exists( $path . '/.env' ) ) {

		    $dotenv = new Dotenv\Dotenv( $path );
		    $dotenv->load();

		}

		return true;

	}

}

if ( ! function_exists( 'env' ) ) {

    /**
     * Gets the value of an environment variable. Supports boolean, empty and null.
     *
     * @param  string  $key
     * @param  mixed   $default
     * @return mixed
     */
    function env( $key, $default = null ) {

        $value = getenv( $key );

        if ( $value === false ) {
            return value( $default );
        }

        switch ( strtolower( $value ) ) {
            case 'true' :
            case '(true)' :
                return true;

            case 'false' :
            case '(false)' :
                return false;

            case 'empty' :
            case '(empty)' :
                return '';

            case 'null' :
            case '(null)' :
                return;
        }

        if ( strlen( $value ) > 1 && str_starts_with( $value, '"' ) && str_ends_with( $value, '"' ) ) {
            return substr( $value, 1, -1 );
        }

        return $value;

    }

}

if ( ! function_exists( 'value' ) ) {

    /**
     * Return the default value of the given value.
     *
     * @param  mixed  $value
     * @return mixed
     */
    function value( $value ) {

        return $value instanceof Closure ? $value() : $value;

    }

}

if( ! function_exists( 'str_starts_with' ) ) {

	/**
	 * Check if a string starts with a list of characters.
	 *
	 * @param string $haystack
	 * @param string|array $needles
	 * @return boolean
	 */
	function str_starts_with( $haystack, $needles ) {

        foreach( (array)$needles as $needle ) {
            if( $needle != '' && strpos( $haystack, $needle ) === 0 ) {
                return true;
            }
        }

        return false;

    }
}

if( ! function_exists( 'str_ends_with' ) ) {

	/**
	 * Check if a string starts with a list of characters.
	 *
	 * @param string $haystack
	 * @param string|array $needles
	 * @return boolean
	 */
	function str_ends_with( $haystack, $needles ) {

        foreach ( (array) $needles as $needle ) {
            if ( (string)$needle === substr( $haystack, -strlen( $needle ) ) ) {
                return true;
            }
        }

        return false;

    }
}