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Do htmlspecialchars and mysql_real_escape_string keep my PHP code safe from injection?
... check that a variable we were using as a number, was actually numeric. In PHP you should widely use a set of functions to check that inputs are integers, floats, alphanumeric etc. But when it comes to SQL, heed most the value of the prepared statement. The above code would have been secure if it ...
How to convert an image to base64 encoding?
...ts("/path/to/image.jpg");
// alternatively specify an URL, if PHP settings allow
$base64 = base64_encode($imagedata);
bear in mind that this will enlarge the data by 33%, and you'll have problems with files whose size exceed your memory_limit.
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How to extract img src, title and alt from html using php? [duplicate]
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Just to give a small example of using PHP's XML functionality for the task:
$doc=new DOMDocument();
$doc->loadHTML("<html><body>Test<br><img src=\"myimage.jpg\" title=\"title\" alt=\"alt\"></body></html>");
$xml=simplexml_i...
What is the best way to stop people hacking the PHP-based highscore table of a Flash game
...g( AES(random-128-bit-key-from-above, high-score, SHA1(high-score)))
The PHP code on the server checks the token to make sure the request came from a valid game instance, then decrypts the encrypted high score, checking to make sure the high-score matches the SHA1 of the high-score (if you skip th...
How do I install imagemagick with homebrew?
...nough to brew install Imagemagick. You have to also PECL install it so the PHP module is loaded.
From this SO answer:
brew install php
brew install imagemagick
brew install pkg-config
pecl install imagick
And you may need to sudo apachectl restart. Then check your phpinfo() within a simple php s...
git diff two files on same branch, same commit
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You don't need git for that, just use diff fileA.php fileB.php (or vimdiff if you want side by side comparison)
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Fastest way to implode an associative array with keys
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Was trying to find this method in the PHP API myself this is definitely the way to go. If not the alternative is to use a modified implode method such as uk2.php.net/manual/en/function.implode.php#84684 but http_build_query() will properly be faster.
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LINUX下用PHPIZE安装PHP GD扩展 - PHP - 清泛IT论坛，有思想、有深度
...zqp2013 于 2015-4-26 14:39 编辑
环境：LNMP in centOS 6.4。linux下PHP的扩展可以用phpize的方法，比较简单地进行启用。以下以PHP-GD2 库安装为例子。sudo yum install php-gd2  png jpeg freetype   //YUM安装扩展cd /app/php-5.4.13/ext/gd &nbs...
How to decode Unicode escape sequences like “\u00ed” to proper UTF-8 encoded characters?
Is there a function in PHP that can decode Unicode escape sequences like " \u00ed " to " í " and all other similar occurrences?
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How do I remove all specific characters at the end of a string in PHP?
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$output = rtrim($string, '.');
(Reference: rtrim on PHP.net)
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