我想写一个正则表达式,它将从数据库转储文件中删除Drupal的缓存表(如cache
, cache_bootstrap
, cache_bootstrap
等)的所有SQL插入语句。我基本上试图写一个正则表达式,将找到一个文本,以"INSERT INTO’缓存"开始,并以分号结束。但是,我不能找出合适的正则表达式。什么好主意吗?
<?php
$sql=file_get_contents("C:'Users'akulkarni'Desktop'drupal7.sql");
$matches = array();
preg_match_all('/INSERT INTO `cache([^.]+)`.*?/s', "$sql",$matches , PREG_PATTERN_ORDER);
var_dump($matches);
?>
以下是示例文本(修剪):
'INSERT INTO cache
(cid
, data
, expire
, created
, serialized
) VALUES(' ctools_plugin_files: ctools: content_types ', 0 x613a323a7b733a363a2263746f6f6c73223b613a35333a7b733a31363a22766f636162756c6172795f7465726d73223b4f3a383a22737464436c617373223a333a7b733a333a22757269223b733a38363a2273697465732f616c6c2f6d6f64756c65732f63746f6f6c732f706c7567696e732f636f6e74656e745f74797065732f766f636162756c6172795f636f6e746578742f766f636162756c6172795f7465726d732e696e63223b733a383a2266696c656e616d65223b733a32303a22766f6 ');
'INSERT INTO cache_bootstrap
(cid
, data
, expire
, created
, serialized
) VALUES(' bootstrap_modules ', 0 x613a323a7b733a353a2264626c6f67223b4f3a383a22737464436c617373223a323a7b733a343a226e616d65223b733a353a2264626c6f67223b733a383a2266696c656e616d65223b733a32363a226d6f64756c65732f64626c6f672f64626c6f672e6d6f64756c65223b7d733a373a226f7665726c6179223b4f3a383a22737464436c617373223a323a7b733a343a226e616d65223b733a373a226f7665726c6179223b733a383a2266696c656e616d65223b733a33303a226d6f64756c65732f6f7665726c61");
'INSERT INTO cache_field
(cid
, data
, expire
, created
, serialized
) VALUES('字段:节点:1 ',0 x613a35303a7b733a32313a226669656c645f636f72655f6f726967696e61746f72223b613a313a7b733a333a22756e64223b613a313a7b693a303b613a333a7b733a353a2276616c7565223b733a35363a2243616c69666f726e6961204469766973696f6e206f66204f696c2c2047617320616e642047656f746865726d616c205265736f7572636573223b733a363a22666f726d6174223b4e3b733a31303a22736166655f76616c7565223b733a35363a2243616c69666f726e6961204469766973696f6e206f66204f696");
'INSERT INTO cache_form
(cid
, data
, expire
, created
, serialized
) VALUES(' form_form-0LSlVPgTs2A_g3iXF6RIK1wsrfEqlFO_0BK971FBCEw ', 0 x613a32333a7b733a31313a222361747472696275746573223b613a313a7b733a353a22636c617373223b613a313a7b693a303b733a32303a2266656174757265732d6578706f72742d666f726d223b7d7d733a383a222366656174757265223b4e3b733a343a22696e666f223b613a373a7b733a353a222374797065223b733a383a226669656c64736574223b733a353a222374726565223b623a303b733a343a226e616d65223b613a363a7b733a363a22237469746c652");
'INSERT INTO cache_bootstrap
(cid
, data
, expire
, created
, serialized
) VALUES('links:features:all:0:en:0', 0x613a323a7b733a393a226d696e5f6465707468223b693a226d61785f6465707468223b4e3b7d, 0,1316550799,1),('links:features:tree-data:en:ec99d3452fef1ede622e66c68ba908b1dad455aa71f5e68648aeec6488b89c88', 0x613a323a303a7b733a31303a226e6f64655f6c696e6b73223b613a303a7b7d7d, 0,1316550799,1),("链接:主菜单::0:en: 0 ', 0 x613a323a7b733a393a226d696e5f6465707468223");
可以使用——ignore-table参数从数据库转储中排除表。这个正则表达式将帮助您定位INSERT语句
INSERT's+INTO's+(cache|cache_bootstrap|cache_field|cache_form)[^';]+