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PHP Error handling: die() Vs trigger_error() Vs throw Exception
In regards to Error handling in PHP -- As far I know there are 3 styles:
2 Answers
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Which MySQL datatype to use for an IP address? [duplicate]
...Pv6 addresses you could use a BINARY instead:
`ipv6` BINARY(16)
And use PHP’s inet_pton and inet_ntop for conversion:
'INSERT INTO `table` (`ipv6`) VALUES ("'.mysqli_real_escape_string(inet_pton('2001:4860:a005::68')).'")'
'SELECT `ipv6` FROM `table`'
$ipv6 = inet_pton($row['ipv6']);
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.htaccess mod_rewrite - how to exclude directory from rewrite rule
...les, so they can become accessible. For now all requests are sent to index.php file.
6 Answers
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PHP: How to use array_filter() to filter array keys?
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PHP 5.6 introduced a third parameter to array_filter(), flag, that you can set to ARRAY_FILTER_USE_KEY to filter by key instead of value:
$my_array = ['foo' => 1, 'hello' => 'world'];
$allowed = ['foo', 'bar'];
$filte...
Remove a string from the beginning of a string
... want, where you can limit your replace to part of your string:
http://nl3.php.net/manual/en/function.substr-replace.php (This will enable you to only look at the beginning of the string.)
You could use the count parameter of str_replace ( http://nl3.php.net/manual/en/function.str-replace.php ), th...
How to force a web browser NOT to cache images
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I use PHP's file modified time function, for example:
echo <img src='Images/image.png?" . filemtime('Images/image.png') . "' />";
If you change the image then the new image is used rather than the cached one, due to havi...
AJAX post error : Refused to set unsafe header “Connection”
..., so if a long running request comes before a normal request, then it will block the 2nd request for the full keepalive time. If the long running request could use "Connection: close" then it would be possible to request that it not tie up the persistent connection and cause (for example) an unneces...
Difference between Pragma and Cache-Control headers?
...iskvor Most servers still support both 1.0 and 1.1, so unless you actively block HTTP/1.0 requests you don't choose which protocol the client is using. Most developers today don't bother to block 1.0, hence it is still a best practice, even in 2019.
– Randall Borck
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PHP validation/regex for URL
...references to some flags have been removed entirely. More info here: news.php.net/php.internals/99018
– S. Imp
May 12 '17 at 21:53
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Formatting a number with leading zeros in PHP [duplicate]
... from the page linked above, here's a sample "zero-padded integers":
<?php
$isodate = sprintf("%04d-%02d-%02d", $year, $month, $day);
?>
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