Laravel-自定义全局函数

<?php
// 检查是否定义，避免冲突
// Laravel根目录/app/helpers.php

if(!function_exists(‘yearDiff‘)){

	function yearDiff(int $year,int $month){
		if(!is_int($year)||!is_int($month)){
			return ‘‘;
		}
		if($year>1900&&$year<2100){
			$Y = Date("Y",time());
			$M = Date("m",time());
			$age=$Y-$year;
    		if($month>$M){
        		$age--;
    		}
    		return $age;
		}else{
			return ‘‘;
		}
		
	}

}

  "autoload": {
        "classmap": [
            "database/seeds",
            "database/factories",
            "app/weiXinJSSDK",
            "app/alipay-sdk-PHP-3.3.0"
        ],
        "psr-4": {
            "App\\": "app/"
        },
        "files":[
            "app/helpers.php"
        ]
    },

 composer dump-autoload