phpredis throws a RedisException object if it can't reach the Redis server. That can happen in case of connectivity issues, if the Redis service is down, or if the redis host is overloaded. In any other problematic case that does not involve an unreachable server (such as a key not exi...
它还可以像 PHPUnit 和 KCacheGrind 一样,做代码覆盖检查或者程序性能跟踪。 如果你仍在使用var_dump()/print_r()调错,经常会发现自己处于困境,并且仍然找不到解决办法。这时,你该使用调试器了。 安装Xdebug可能很费事,但其中一个最重要的「远程调试」特性 —— 如果你在本地开发,并在虚拟机或者其他服务器上测...
18 years ago Note that when comparing object attributes, the comparison is recursive (at least, it is with PHP 5.2). That is, if $a->x contains an object then that will be compared with $b->x in the same manner. Be aware that this can lead to recursion errors: <?php classFoo{ ...
phpclassPerson{functionsay(){echo"Hello, world!<br>";}/** * 声明此方法用来处理调用对象中不存在的方法 */function__call($funName,$arguments){echo"你所调用的函数:".$funName."(参数:";// 输出调用不存在的方法名print_r($arguments);// 输出调用不存在的方法时的参数列表echo")不存在!<br>\n"...
To create a new database table, use thecreatemethod on theSchemafacade. Thecreatemethod accepts two arguments. The first is the name of the table, while the second is aClosurewhich receives aBlueprintobject that may be used to define the new table: ...
isset($_SESSION['AuthorizationData']->Authentication)) {// Prepare the OAuth object for use with the authorization code grant flow.// It is recommended that you specify a non guessable 'state' request parameter to help prevent// cross site request forgery (CSRF).$authentication = (newOAuth...
As an alternative, you may define a Closure based middleware directly in your controller's constructor. Before using this feature, make sure that your application is running Laravel5.3.4or above: 1<?php 2 3namespaceApp\Http\Controllers; ...
This alone is already pretty good - we saved the step where we had to explicitly disable XML warnings and didn't need to instantiate an XPath object ourselves. Now, let's use a "native" CSS selector instead of the manual XPath evaluation (thanks to the CssSelector component): <?php #...
php/** * @date 2019-04-03 *///获取父进程id$parentPid=getmypid();// 创建子进程$childPid = pcntl_fork();switch($childPid) {case-1:print"创建子进程失败!".PHP_EOL;exit;case0:print"我是子进程,进程ID:{$childPid}".PHP_EOL;break;default:print"我是父进程,进程ID:{$parentPid},子...
<?phpclassoverload {publicfunctiondisplayArray($array) {foreach($arrayas$print) {echo$print;echo"<br />"; } }publicfunctiondisplayScalar($scalar) {echo$scalar;echo"<br />"; }publicfunction__call($method,$p) {if($method== "display") {if(is_object($p[0])) {$this->displayObject(...