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How can I get useful error messages in PHP?
Quite often I will try and run a PHP script and just get a blank screen back. No error message; just an empty screen. The cause might have been a simple syntax error (wrong bracket, missing semicolon), or a failed function call, or something else entirely.
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请停下来重新想下 你究竟为何创业？ - 资讯 - 清泛网 - 专注C/C++及内核技术
...这种成功的概念有多么的狭隘。
首先，请仔细思考这个问题：你为何在这里？
“在这里，你可以接触到最顶尖的企业与最火的创业公司：除了是创业公司，世界顶尖企业的高管们也会出席这场关于直击未来的盛会，他们将与...
Mysql ibdata 丢失或损坏如何通过frm&ibd 恢复数据 - 更多技术 - 清泛网 - ...
...需要注释掉，不然恢复模式不好操作。 这里有个关键的问题，就是innodb里的任何数据操作都是一个日志的记录点。也就是如果我们需要数据恢复，必须把之前的表的数据的日志记录点添加到一致。
a、建立一个数据库，根据...
Showing all errors and warnings [duplicate]
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Display errors could be turned off in the php.ini or your Apache configuration file.
You can turn it on in the script:
error_reporting(E_ALL);
ini_set('display_errors', '1');
You should see the same messages in the PHP error log.
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Where does PHP's error log reside in XAMPP?
... your installation folder.
If you haven't changed the error_log setting in PHP (check with phpinfo()), it will be logged to the Apache log.
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How to clear APC cache entries?
...o clear all APC cache entries when I deploy a new version of the site.
APC.php has a button for clearing all opcode caches, but I don't see buttons for clearing all User Entries, or all System Entries, or all Per-Directory Entries.
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Internal Error 500 Apache, but nothing in the logs?
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Please Note: The original poster was not specifically asking about PHP. All the php centric answers make large assumptions not relevant to the actual question.
The default error log as opposed to the scripts error logs usually has the (more) specific error. often it will be permissions deni...
Can HTML be embedded inside PHP “if” statement?
I would like to embed HTML inside a PHP if statement, if it's even possible, because I'm thinking the HTML would appear before the PHP if statement is executed.
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Check if PHP session has already started
I have a PHP file that is sometimes called from a page that has started a session and sometimes from a page that doesn't have session started. Therefore when I have session_start() on this script I sometimes get the error message for "session already started". For that I've put these lines:
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How do I get a file name from a full path with PHP?
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You're looking for basename.
The example from the PHP manual:
<?php
$path = "/home/httpd/html/index.php";
$file = basename($path); // $file is set to "index.php"
$file = basename($path, ".php"); // $file is set to "index"
?>
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