About Laravel5. How to print out the executed sql statement-PHP Tutorial-php.cn

This article mainly introduces the method of printing out the executed sql statement in Laravel5.*. It has certain reference value. Interested friends can refer to it.

This article introduces the method of printing out the executed sql statement in Laravel5.* The method of executing the sql statement is shared with everyone. The details are as follows:

Open app\Providers\AppServiceProvider.PHP and add the following content in the boot method

Versions below 5.2

// 先引入DB use DB; // 或者直接使用 \DB:: DB::listen(function($sql, $bindings, $time) { dump($sql); });

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5.2 and above version

use DB; // 或者直接使用 \DB:: // 只能接受一个参数 QueryExecuted {#84 ▼ +sql: "select * from `posts` where `slug` = ? limit 1" +bindings: array:1 [▶] +time: 0.59 +connection: MySqlConnection {#85 ▶} +connectionName: "mysql" } DB::listen(function($sql) { dump($sql); // echo $sql->sql; // dump($sql->bindings); }); // 如果要放入日志文件中 DB::listen( function ($sql) { // $sql is an object with the properties: // sql: The query // bindings: the sql query variables // time: The execution time for the query // connectionName: The name of the connection // To save the executed queries to file: // Process the sql and the bindings: foreach ($sql->bindings as $i => $binding) { if ($binding instanceof \DateTime) { $sql->bindings[$i] = $binding->format('\'Y-m-d H:i:s\''); } else { if (is_string($binding)) { $sql->bindings[$i] = "'$binding'"; } } } // Insert bindings into query $query = str_replace(array('%', '?'), array('%%', '%s'), $sql->sql); $query = vsprintf($query, $sql->bindings); // Save the query to file $logFile = fopen( storage_path('logs' . DIRECTORY_SEPARATOR . date('Y-m-d') . '_query.log'), 'a+' ); fwrite($logFile, date('Y-m-d H:i:s') . ': ' . $query . PHP_EOL); fclose($logFile); } );

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