Today I installed WordPress 5.1.1 and it was a total mess. I had issues when publishing new posts, it was slower than v4.9.8, etc. So I decided to downgrade to v4.9.8 and to do this I installed: WP Downgrade | Specific Core Version It is a plugin that can help you downgrade to any previous […]
Today I upgraded Nginx to v1.16.0 stable and I noticed this: nginx: [warn] the "ssl" directive is deprecated, use the "listen … ssl" directivenginx: [warn] the "ssl" directive is deprecated, use the "listen … ssl" directive To fix this just delete “ssl on;” from your vhost config file. For example, change this: server { listen […]
A quick workaround to make gethostbyaddr() faster in PHP is: // Set timeout and retries to 1 to have a max execution time of 1 second for the DNS lookup putenv(‘RES_OPTIONS=retrans:1 retry:1 timeout:1 attempts:1’); // Now call gethostbyaddr() function $ip = @gethostbyaddr("1.2.3.4");// Set timeout and retries to 1 to have a max execution time […]
Match newline with strpos() in PHP: $string = "Hello World Testing New Line"; $findme = "Hello World\r\nTesting"; if(strpos($string, $findme) !== false) { echo "String found"; } else { echo "String not found"; }$string = "Hello World Testing New Line"; $findme = "Hello World\r\nTesting"; if(strpos($string, $findme) !== false) { echo "String found"; } else […]
Check if a string starts with a specific word in PHP with strpos(): $string = "Hello World!"; $findme = "Hello"; if(strpos($string, $findme) !== false && strpos($string, $findme) === 0) { echo "String found at pos 0"; } else { echo "String not found at pos 0"; }$string = "Hello World!"; $findme = "Hello"; […]
You can use “timeout” command to run a program and auto-kill it after N seconds: timeout –signal=KILL 3 whois google.cdtimeout –signal=KILL 3 whois google.cd The above command will auto-kill whois if it runs for more than 3 seconds. Here is an example output in a Debian server: root@server:~# timeout –signal=KILL 3 whois google.cd Killedroot@server:~# timeout […]
If you get the following error on Microsoft Partner Center: Unable to extract and upload PackageInfo.xmlUnable to extract and upload PackageInfo.xml You just need to repackage the HLKX file to solve the issue. -Rename the current .hckx/hlkx file to .zip -Extract to a folder -Open the folder -Select all items, then right-click and select Send […]
A robots.txt example to block bad bots from crawling your website: User-agent: * Allow: / User-agent: CuteStat Disallow: / User-agent: AhrefsBot Disallow: / User-agent: SemrushBot Disallow: / User-agent: GrapeshotCrawler Disallow: / User-agent: WebsiteOutlook Disallow: / User-agent: MJ12bot Disallow: /User-agent: * Allow: / User-agent: CuteStat Disallow: / User-agent: AhrefsBot Disallow: […]
On 18 March 2019 Ondřej announced that he changed the signing key: https://www.patreon.com/posts/dpa-new-signing-25451165 I was informed that the current DPA signing key DF3D585DB8F0EB658690A554AC0E47584A7A714D was present on the server maintained by an other user of the repositories that got compromised. I do not believe that the users of the packages.sury.org repositories are at any risk because […]
Simple PHP function to check if a XML string is valid: function isValidXML($xml) { libxml_use_internal_errors(true); $doc = new DOMDocument(‘1.0’, ‘utf-8’); $doc->loadXML($xml); $errors = libxml_get_errors(); libxml_clear_errors(); if(empty($errors)){ return array("valid" => true); } $error = $errors[0]; if($error->level < 3){ return array("valid" => true); } $explodedxml = explode("r", $xml); $badxml = […]