Heim >Backend-Entwicklung >PHP-Tutorial >PHP-Datum – den letzten Tag des Monats abrufen
<span> 1</span> <span>/*</span><span>* </span><span> 2</span> <span> * 日期-获取当月最后一天 </span><span> 3</span> <span> * @return int </span><span> 4</span> <span>*/</span> <span> 5</span> <span>public</span> <span>function</span><span> get_lastday() { </span><span> 6</span> <span>if</span>(<span>$this</span>->month==2<span>) { </span><span> 7</span> <span>$lastday</span> = <span>$this</span>->is_leapyear(<span>$this</span>->year) ? 29 : 28<span>; </span><span> 8</span> } <span>elseif</span>(<span>$this</span>->month==4 || <span>$this</span>->month==6 || <span>$this</span>->month==9 || <span>$this</span>->month==11<span>) { </span><span> 9</span> <span>$lastday</span> = 30<span>; </span><span>10</span> } <span>else</span><span> { </span><span>11</span> <span>$lastday</span> = 31<span>; </span><span>12</span> <span> } </span><span>13</span> <span>return</span> <span>$lastday</span><span>; </span><span>14</span> <span> } </span><span>15</span> <span>16</span> <span>17</span> <span>18</span> <span>/*</span><span>* </span><span>19</span> <span> * 日期-是否是闰年 </span><span>20</span> <span> * @return int </span><span>21</span> <span>*/</span> <span>22</span> <span>public</span> <span>function</span> is_leapyear(<span>$year</span><span>) { </span><span>23</span> <span>return</span> <span>date</span>('L', <span>$year</span><span>); </span><span>24</span> }
Das Obige stellt das PHP-Datum vor – den letzten Tag des Monats, einschließlich des Inhalts. Ich hoffe, es wird für Freunde hilfreich sein, die sich für PHP-Tutorials interessieren.