php怎么向上取整以5为界

Posted 2021-02-21 kuba8

public function test(){
    $number = 52093;
    var_dump( $this->roundNumberVariant( ( int ) $number ) );
}
 
private function roundNumberVariant( $number ){
    //注意：因涉及乘除运算，为了避免知普通计算导致的不精确问题，直接使用BC库函数
    return ( int ) bcmul( ceil( bcdiv( $number , 5000 , 4 ) ) , 5000 );
}