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PHP - How to check if a string contains a specific text [duplicate]
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Use the strpos function: http://php.net/manual/en/function.strpos.php
$haystack = "foo bar baz";
$needle = "bar";
if( strpos( $haystack, $needle ) !== false) {
echo "\"bar\" exists in the haystack variable";
}
In your case:
if( strpos( $a, 'some ...
What is the difference between self::$bar and static::$bar in PHP?
...keyword. In this case, your Foo class defines a protected static property called $bar. When you use self in the Foo class to refer to the property, you're referencing the same class.
Therefore if you tried to use self::$bar elsewhere in your Foo class but you had a Bar class with a different value ...
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
2
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What is a Question Mark “?” and Colon “:” Operator Used for? [duplicate]
...ternary operator but not the ternary operator. Major languages (C#, Java, PHP) consider it a conditional operator, and call it the ?: operator. Occasionally (JavaScript) it is called the conditional operator.
– Sheepy
May 30 '14 at 8:02
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How to send a GET request from PHP?
I'm planning to use PHP for a simple requirement. I need to download a XML content from a URL, for which I need to send HTTP GET request to that URL.
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BMP 和 DIB - C/C++ - 清泛网 - 专注C/C++及内核技术
...术的进步,以及显示设备的多样化,DDB位图的一些固有的问题开始浮现出来了。比如,它不能够存储(或者说获取)创建这张图片的原始设备的分辨率,这样,应用程序就不能快速的判断客户机的显示设备是否适合显示这张图片...
.NET4.5新特性 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...验证,你的服务器将会一直等在那里。
*当然,解决这个问题的最佳方案就是在用正则表达式做验证的时候设置一个超时时间。在.Net4.5中就有这个功能,像如下代码中那样就可以。从此之后,哪怕用户发来了恶意字符串,我们...
使用DOS命令 taskkill 结束本地进程,结束远程进程 - 更多技术 - 清泛网 - ...
...ill掉其他主机的进程(一般用于远程主机远程桌面服务有问题登不上时使用)。在DOS窗口,输入taskkill /f /im 进程名.exe /t
/f /im /t 表示指定进程名称,强制终止进程及子进程。参考帮助如下:
描述:
使用该工具按照进...
gcc自带内存泄漏、内存越界检测工具 - asan - C/C++ - 清泛网 - 专注C/C++及内核技术
...(加上-fsanitize=address编译选项,可以检查出更详细的内存问题,不加也能编译通过也能执行检查)
测试代码如下:
#include <iostream>
#include <string.h>
using namespace std;
int main() {
void* p = malloc(5);
memcpy(p, "123456", 6);
return 0;
}...
【免费开放】App Inventor 2 LLMAI2Ext 自研拓展:接入DeepSeek、Kimi、通...
...议不兼容。
猜测:大概率,你搭建平台的机器openssl版本问题或者java版本问题。好的,我试试app安装到手机试试!感谢,回答。在手机上是可以正常运行的。应该是服务器没设好。感谢分享,马上导入试试如何把图片发给大模...