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Checking for empty arrays: count vs empty
This question on ' How to tell if a PHP array is empty ' had me thinking of this question
12 Answers
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PHP常用API函数用法 - 更多技术 - 清泛网 - 专注C/C++及内核技术
PHP常用API函数用法php_common_api_referencePHP常用API函数速查：expload, str_replace, strpos, substr, stripos, strripos, implode, strrpos PHP explode() 函数
把字符串按照指定分隔符分割为数组。
例子：
<?php
$url = "https://www.tsingfun.com/index.php?m=conten...
PHP convert XML to JSON
I am trying to convert xml to json in php. If I do a simple convert using simple xml and json_encode none of the attributes in the xml show.
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Generating a drop down list of timezones with PHP
...low are two lists that I found and then one method using the built in PHP DateTime class in PHP 5.
25 Answers
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jQuery/JavaScript: accessing contents of an iframe
...nother domain you can still do it. You need to read the external page into PHP and echo it from your domain. Like this:
iframe_page.php
<?php
$URL = "http://external.com";
$domain = file_get_contents($URL);
echo $domain;
?>
Then something like this:
display_page.html
<...
Ruby function to remove all white spaces?
...ction to remove all white spaces? I'm looking for something kind of like PHP's trim() ?
23 Answers
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How to call a JavaScript function from PHP?
How to call a JavaScript function from PHP?
10 Answers
10
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How to update a single library with Composer?
...ust want to update a few packages and not all, you can list them as such:
php composer.phar update vendor/package:2.* vendor/package2:dev-master
You can also use wildcards to update a bunch of packages at once:
php composer.phar update vendor/*
--prefer-source: Install packages from source wh...
startsWith() and endsWith() functions in PHP
...rlen($needle)) === 0;
}
This should be one of the fastest solutions on PHP 7 (benchmark script). Tested against 8KB haystacks, various length needles and full, partial and no match cases. strncmp is a touch faster for starts-with but it cannot check ends-with.
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select count(*) from table of mysql in php
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@eichertc the php interpreter has the variable always internal, as he needs to have the result in memory one way or the other. So your way just makes the code worser to read and maintain, IMHO.
– Tom
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