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How can one check to see if a remote file exists using PHP?

...PT_USERAGENT in addition to CURLOPT_NOBODY: davidwalsh.name/set-user-agent-php-curl-spoof – rlorenzo Aug 17 '12 at 22:30 ...
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Back to previous page with header( “Location: ” ); in PHP

...title of this question kind of explains my question. How do I redirect the PHP page visitor back to their previous page with the header( "Location: URL of previous page" ); ...
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Google Authenticator available as a public service?

...o not know if there is a specific implementation for your server software (PHP, Java, .NET, etc.) But, specifically, you don't need an offsite service to handle this. share | improve this answer ...
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Better way to check variable for null or empty string?

Since PHP is a dynamic language what's the best way of checking to see if a provided field is empty? 10 Answers ...
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“Connection for controluser as defined in your configuration failed” with phpMyAdmin in XAMPP

... Open phpMyAdmin in a browser and log in as root. Create a database called phpmyadmin Create a user called pma and set the "host" to the hostname or IP address of your web server (if the web server and MySQL are on the same box use...
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App Inventor 2开发简单计算器 - App Inventor 2 中文网 - 清泛IT论坛,有思想、有深度

...序执行过程、跟踪变量值的方法,可以帮我们找到原因。问题出在输入等号之后,此时: 前数=计算结果 后数=0 算符=“”接下来输入算符,由于算符=“”,因此执行点击算符过程的“如果...则”分支,第一行代码为【前数=后数...
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After array_filter(), how can I reset the keys to go in numerical order starting at 0

... The link no longer work, use php.net/manual/en/function.array-values.php instead. I can't update it, as i need to change at least 6 characters. – Rasmus Hansen Feb 16 '19 at 15:15 ...
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php implode (101) with quotes

Imploding a simple array 11 Answers 11 ...
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Increment value in mysql update query

...lever for someone who knows what PDO is, but for me who's just diving into PHP/MySQL, it doesn't really shine a lot of light into the matter. Does PDO make that code smaller or more elegant? If so, please edit the answer or post one of your own where you show how it's better with PDO. Thanks. ...
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Array_merge versus + [duplicate]

... the matching elements from the right-hand array will be ignored. http://php.net/manual/en/language.operators.array.php array_merge() has slightly different behavior: If the input arrays have the same string keys, then the later value for that key will overwrite the previous one. If, however,...