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php array为空的判断 - C/C++ - 清泛网 - 专注C/C++及内核技术

php array为空的判断如何判断PHP数组是否为空PHP判断数组为空首选方法:count($arr),size($arr);$arr= array("");echo count($arr);echo size($arr); 输出1...如何判断PHP数组是否为空 PHP判断数组为空首选方法:count($arr), size($arr); $arr= array(""); ec...
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PHP完美实现GIF动画缩略图 - 更多技术 - 清泛网 - 专注C/C++及内核技术

PHP完美实现GIF动画缩略图缩略图是个很常用的功能。它的实现并不复杂,但如果原图是GIF动画的话,问题就会变得繁琐一点,下面通过一个取自CS警匪游戏的GIF动画来说明...缩略图是个很常用的功能。它的实现并不复杂,但如果...
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PHP获取图片颜色值的方法 - 更多技术 - 清泛网 - 专注C/C++及内核技术

PHP获取图片颜色值的方法本例讲述了PHP实现获取图片颜色值的方法,PHP获取图片颜色值检测图片主要颜色是通过imagecreatefromjpeg函数读取图片,再循环获得各个颜色...本例讲述了PHP实现获取图片颜色值的方法,PHP获取图片颜色值...
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php 7.3 安装gd最简单的方式 - 更多技术 - 清泛网 - 专注C/C++及内核技术

php 7.3 安装gd最简单的方式php_install_gd网上都是源码安装依赖,然后php源码安装的步骤,其实没那么复杂,包安装直接搞定:apt-get install php7 3-gd网上都是源码安装依赖,然后php源码安装的步骤,其实没那么复杂,包安装直接搞定...
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how to delete all cookies of my website in php

... PHP setcookie() Taken from that page, this will unset all of the cookies for your domain: // unset cookies if (isset($_SERVER['HTTP_COOKIE'])) { $cookies = explode(';', $_SERVER['HTTP_COOKIE']); foreach($cookies as ...
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PHP: How to use array_filter() to filter array keys?

... 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...
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Read each line of txt file to new array element

... file should either be stored on memory cache, or even in a database. Even PHP stores the content of parsed files. I mean, we're far from PHP 4.3 – Yanick Rochon Jul 16 at 2:32 ...
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PHP编译configure时常见错误 - 更多技术 - 清泛网 - 专注C/C++及内核技术

PHP编译configure时常见错误PHP的安装虽然有时候很简单,可是如果应用一多,我们安装起来就很头痛了!出错最多的就是安装PHP扩展的时候了。其实不管是你是Apache类的应...PHP的安装虽然有时候很简单,可是如果应用一多,我们安...
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How do I catch an Ajax query post error?

...Since jQuery 1.5 you can use the deferred objects mechanism: $.post('some.php', {name: 'John'}) .done(function(msg){ }) .fail(function(xhr, status, error) { // error handling }); Another way is using .ajax: $.ajax({ type: "POST", url: "some.php", data: "name=John&l...
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Flat file databases [closed]

...at are the best practices around creating flat file database structures in PHP? 11 Answers ...