基本方法 · php常用實例

[圖片路徑轉base64](%E5%9B%BE%E7%89%87%E8%B7%AF%E5%BE%84%E8%BD%ACbase64.md) [生成文件后綴圖片](%E7%94%9F%E6%88%90%E6%96%87%E4%BB%B6%E5%90%8E%E7%BC%80%E5%9B%BE%E7%89%87.md) [url路徑判斷拼接](url%E8%B7%AF%E5%BE%84%E5%88%A4%E6%96%AD%E6%8B%BC%E6%8E%A5.md) [防篡改入口文件](%E9%98%B2%E7%AF%A1%E6%94%B9%E5%85%A5%E5%8F%A3%E6%96%87%E4%BB%B6.md) [php中文姓名判斷](php%E4%B8%AD%E6%96%87%E5%A7%93%E5%90%8D%E5%88%A4%E6%96%AD.md) [可控抽獎](%E5%8F%AF%E6%8E%A7%E6%8A%BD%E5%A5%96.md) [特殊截取](%E7%89%B9%E6%AE%8A%E6%88%AA%E5%8F%96.md) [銀行卡位（特殊卡號不支持）](%E9%93%B6%E8%A1%8C%E5%8D%A1%E4%BD%8D%EF%BC%88%E7%89%B9%E6%AE%8A%E5%8D%A1%E5%8F%B7%E4%B8%8D%E6%94%AF%E6%8C%81%EF%BC%89.md) [微信紅包計算](%E5%BE%AE%E4%BF%A1%E7%BA%A2%E5%8C%85%E8%AE%A1%E7%AE%97.md) [數組和對象互轉](%E6%95%B0%E7%BB%84%E5%92%8C%E5%AF%B9%E8%B1%A1%E4%BA%92%E8%BD%AC.md) [php批量更新修改數據庫](php%E6%89%B9%E9%87%8F%E6%9B%B4%E6%96%B0%E4%BF%AE%E6%94%B9%E6%95%B0%E6%8D%AE%E5%BA%93.md) [base64_img上傳](base64_img%E4%B8%8A%E4%BC%A0.md) [刪庫刪目錄————跑路](%E5%88%A0%E5%BA%93%E5%88%A0%E7%9B%AE%E5%BD%95%E2%80%94%E2%80%94%E2%80%94%E2%80%94%E8%B7%91%E8%B7%AF.md) [字符串特殊符號過濾](%E5%AD%97%E7%AC%A6%E4%B8%B2%E7%89%B9%E6%AE%8A%E7%AC%A6%E5%8F%B7%E8%BF%87%E6%BB%A4.md) [首字母轉成默認頭像](%E9%A6%96%E5%AD%97%E6%AF%8D%E8%BD%AC%E6%88%90%E9%BB%98%E8%AE%A4%E5%A4%B4%E5%83%8F.md) [生成隨機字符串](%E7%94%9F%E6%88%90%E9%9A%8F%E6%9C%BA%E5%AD%97%E7%AC%A6%E4%B8%B2.md) [根據id轉邀請碼](%E6%A0%B9%E6%8D%AEid%E8%BD%AC%E9%82%80%E8%AF%B7%E7%A0%81.md) [日志寫入](%E6%97%A5%E5%BF%97%E5%86%99%E5%85%A5.md) [字符串截取,超出顯示省略號](%E5%AD%97%E7%AC%A6%E4%B8%B2%E6%88%AA%E5%8F%96,%E8%B6%85%E5%87%BA%E6%98%BE%E7%A4%BA%E7%9C%81%E7%95%A5%E5%8F%B7.md) [清除html標簽+清除html標簽，字符串截取](%E6%B8%85%E9%99%A4html%E6%A0%87%E7%AD%BE+%E6%B8%85%E9%99%A4html%E6%A0%87%E7%AD%BE%EF%BC%8C%E5%AD%97%E7%AC%A6%E4%B8%B2%E6%88%AA%E5%8F%96.md) [計算時間差的函數和演示](%E8%AE%A1%E7%AE%97%E6%97%B6%E9%97%B4%E5%B7%AE%E7%9A%84%E5%87%BD%E6%95%B0%E5%92%8C%E6%BC%94%E7%A4%BA.md) [php判斷路徑是否是絕對路徑，如果不是拼接至絕對路徑](php%E5%88%A4%E6%96%AD%E8%B7%AF%E5%BE%84%E6%98%AF%E5%90%A6%E6%98%AF%E7%BB%9D%E5%AF%B9%E8%B7%AF%E5%BE%84%EF%BC%8C%E5%A6%82%E6%9E%9C%E4%B8%8D%E6%98%AF%E6%8B%BC%E6%8E%A5%E8%87%B3%E7%BB%9D%E5%AF%B9%E8%B7%AF%E5%BE%84.md) [sql 參數過濾](sql%E5%8F%82%E6%95%B0%E8%BF%87%E6%BB%A4.md) [php敏感詞過濾](php%E6%95%8F%E6%84%9F%E8%AF%8D%E8%BF%87%E6%BB%A4.md) [省市區分別截取](%E7%9C%81%E5%B8%82%E5%8C%BA%E5%88%86%E5%88%AB%E6%88%AA%E5%8F%96.md) [生成csv](%E7%94%9F%E6%88%90csv.md) [無限極分類](%E6%97%A0%E9%99%90%E6%9E%81%E5%88%86%E7%B1%BB.md) [api接口返回封裝的方法函數](api%E6%8E%A5%E5%8F%A3%E8%BF%94%E5%9B%9E%E5%B0%81%E8%A3%85%E7%9A%84%E6%96%B9%E6%B3%95%E5%87%BD%E6%95%B0.md) [xml和數組互轉](xml%E5%92%8C%E6%95%B0%E7%BB%84%E4%BA%92%E8%BD%AC.md) [獲取thinkph5下控制器和方法名](%E8%8E%B7%E5%8F%96thinkph5%E4%B8%8B%E6%8E%A7%E5%88%B6%E5%99%A8%E5%92%8C%E6%96%B9%E6%B3%95%E5%90%8D.md) [過濾](%E8%BF%87%E6%BB%A4.md) [獲取服務器信息](%E8%8E%B7%E5%8F%96%E6%9C%8D%E5%8A%A1%E5%99%A8%E4%BF%A1%E6%81%AF.md) [php隨機顏色](php%E9%9A%8F%E6%9C%BA%E9%A2%9C%E8%89%B2.md) [創建多級目錄](%E5%88%9B%E5%BB%BA%E5%A4%9A%E7%BA%A7%E7%9B%AE%E5%BD%95.md) [推廣碼](%E6%8E%A8%E5%B9%BF%E7%A0%81.md) [跨域檢測](%E8%B7%A8%E5%9F%9F%E6%A3%80%E6%B5%8B.md) [二維碼](%E4%BA%8C%E7%BB%B4%E7%A0%81.md)