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how to detect search engine bots with php?

How can one detect the search engine bots using php? 16 Answers 16 ...
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How to save an HTML5 Canvas as an image on a server?

... server via Ajax $.ajax({ type: "POST", url: "script.php", data: { imgBase64: dataURL } }).done(function(o) { console.log('saved'); // If you want the file to be visible in the browser // - please modify the callback in javascript. ...
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Convert SVG image to PNG with PHP

... and I was thinking I should write a tutorial... Here is how to do it with PHP/Imagick, which uses ImageMagick: $usmap = '/path/to/blank/us-map.svg'; $im = new Imagick(); $svg = file_get_contents($usmap); /*loop to color each state as needed, something like*/ $idColorArray = array( "AL" =&gt...
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What does new self(); mean in PHP?

...ParentClass -- i.e. here too, the class in which it is written. With PHP < 5.3, that "the class in which it is written" is important -- and can sometimes cause problems. That's why PHP 5.3 introduces a new usage for the static keyword : it can now be used exactly where we used self in thos...
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is_null($x) vs $x === null in PHP [duplicate]

PHP has two (that I know of, and three if you count isset() ) methods to determine if a value is null: is_null() and === null . I have heard, but not confirmed, that === null is faster, but in a code review someone strongly suggested that I use is_null() instead as it is specifically design...
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warning C4996 - c++1y / stl - 清泛IT社区,为创新赋能!

...可能会产生诸如内存泄露、缓冲区溢出、非法访问等安全问题。这些函数如:strcpy、strcat等。对于这些问题,VC2005建议使用这些函数的更高级的安全版本,即在这些函数名后面加了一个_s的函数。这些安全版本函数使用起来更有...
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Get fragment (value after hash '#') from a URL in php [closed]

How can i select the fragment after the '#' symbol in my URL using PHP? The result that i want is "photo45". 10 Answers ...
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PHP: If internet explorer 6, 7, 8 , or 9

I want to do a conditional in PHP for the different versions of Internet Explorer along the lines of: 17 Answers ...
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js/php判断终端类型:PC访问、手机访问、微信访问 - 更多技术 - 清泛网 - ...

js/php判断终端类型:PC访问、手机访问、微信访问一般也可以在前端用js来判断访问终端,代码如下:<script>function GetQueryString(name) { var reg = new RegExp("(^|&)"+ name +"=([^&]*)(&|$)"); v 一般也可以在前端用js来判断访问终端,代码...
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How can I connect to a Tor hidden service using cURL in PHP?

I'm trying to connect to a Tor hidden service using the following PHP code: 4 Answers ...