Category Archives: PHP

Linux – Getting Back a Deleted File

You can get back deleted files if they are still loaded by any application. For example, let’s say I’ve deleted the file myfile by mistake but I have got it still open with vim. What I can do in order … Continue reading

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PHP – Run a script from the command line

You can do either: php myscript.phpIn that case myscript.php will be like this: <?php echo “CIAO” ?> ./myscriptIn that case myscript.php will be like this: #!/usr/bin/php <?php echo “CIAO” ?> In order to find out where the php executable lives, … Continue reading

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PHP for System Administration Using CLI

Example 1: Script example1.php: < ?php $line = trim(fgets(STDIN)); echo $line ?> Launching this command: top -b -n 1|head -5|tail -1 | php example1.php The output will be: Swap: 9839804k total, 0k used, 9839804k free, 274892k cached /////////////////////////////////////////// Example 2: … Continue reading

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Online PHP Syntax Checker

http://www.meandeviation.com/tutorials/learnphp/php-syntax-check/

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PHP Decoding email, Incoming email

http://www.evolt.org/article/Incoming_Mail_and_PHP/18/27914/index.html decode_email

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Secure PHP & Apache Configuration

PHP Disable error messages expose_php Off Check you can’t get info by doing telnet localhost 80 and then issueing: HEAD / HTTP/1.0 session.use_only_cookies = 1 allow_url_fopen Off [if you don’t really need the opposite] register_globals = Off magic_quotes_gpc = ??? … Continue reading

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Protected: Youtube – Uploading Video API

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Web Development Security

Most of these notes come from this book: Essential PHP Security, Chris Shiflett, O’Reilly, First Edition ISBN: 0-596-00656-XX Don’t underestimate a risk just because it’s impossible it happens: hackers are very clever and more expert than you. They could find … Continue reading

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image_type_to_extension – changing of the default value and behaviour

The Official PHP migration guide says the function image_type_to_extension is introduced by the version 5.2. But I’m pretty sure I used it on version 5.1. And they change the $include_dot parameter from false (in the 5.1) to true. Moreover, now … Continue reading

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Hiding Your Email Address In Webpages

It takes the email address as input and generates the Javascript code to print the email address in the page in a hard-to-read-by-a-bot way. It splits the email address in some three-character long chunks. I was in a hurry while … Continue reading

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