大约有 5,000 项符合查询结果（耗时：0.0202秒） [XML]
How to validate an email address in PHP
...k out this list for tests (both failed and succeeded) of the regex used by PHP's filter_var() function.
Even the built-in PHP functions, email clients or servers don't get it right. Still in most cases filter_var is the best option.
If you want to know which regex pattern PHP (currently) uses to ...
Reference assignment operator in PHP, =&
What does the =& (equals-ampersand) assignment operator do in PHP?
4 Answers
4
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MySQL integer field is returned as string in PHP
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When you select data from a MySQL database using PHP the datatype will always be converted to a string. You can convert it back to an integer using the following code:
$id = (int) $row['userid'];
Or by using the function intval():
$id = intval($row['userid']);
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urlencode vs rawurlencode?
...in which case you need urlencode).
rawurlencode follows RFC 1738 prior to PHP 5.3.0 and RFC 3986 afterwards (see http://us2.php.net/manual/en/function.rawurlencode.php)
Returns a string in which all non-alphanumeric characters except -_.~ have been replaced with a percent (%) sign followed by t...
How to get the first word of a sentence in PHP?
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Using modern PHP syntax you can just do explode(' ',trim($myvalue))[0]
– Elly Post
Apr 1 '16 at 6:28
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Error 330 (net::ERR_CONTENT_DECODING_FAILED):
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I came across this issue when php was outputting a plain text warning above the gzipped content.
– Mike Causer
Dec 12 '13 at 15:03
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Can I try/catch a warning?
I need to catch some warnings being thrown from some php native functions and then handle them.
11 Answers
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Get data from fs.readFile
...code is executed. So when you call console.log, your callback has not yet been invoked, and this content has not yet been set. Welcome to asynchronous programming.
Example approaches
const fs = require('fs');
// First I want to read the file
fs.readFile('./Index.html', function read(err, data) {
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How to let PHP to create subdomain automatically for each user?
...ess htaccess somehow? Is it actually simply possible to create it via pure php code or I need to use some external script-server side language?
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PHP filesize MB/KB conversion [duplicate]
How can I convert the output of PHP's filesize() function to a nice format with MegaBytes, KiloBytes etc?
12 Answers
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