提取字符串中数字解决办法
提取字符串中数字
现在有
$z="note1"
怎么用正则取出其中的1
让$z="1"
此时$z是str
怎么把它变成数字类型呢
------解决方案--------------------
$z="note1";
preg_match('/([0-9]+)/', $z,$marray);
$z=$marray[1];
$z=intval($z);//多余的,php是弱类型

Hot AI Tools

Undresser.AI Undress
AI-powered app for creating realistic nude photos

AI Clothes Remover
Online AI tool for removing clothes from photos.

Undress AI Tool
Undress images for free

Clothoff.io
AI clothes remover

AI Hentai Generator
Generate AI Hentai for free.

Hot Article

Hot Tools

Notepad++7.3.1
Easy-to-use and free code editor

SublimeText3 Chinese version
Chinese version, very easy to use

Zend Studio 13.0.1
Powerful PHP integrated development environment

Dreamweaver CS6
Visual web development tools

SublimeText3 Mac version
God-level code editing software (SublimeText3)

Hot Topics

php提交表单通过后,弹出的对话框怎样在当前页弹出php提交表单通过后,弹出的对话框怎样在当前页弹出而不是在空白页弹出?想实现这样的效果:而不是空白页弹出:------解决方案--------------------如果你的验证用PHP在后端,那么就用Ajax;仅供参考:HTML code

Infinix Note 40s is the newest addition to the Note 40 lineup. Not much is under wraps; the phone is now listed with all its features on the official webpage, as spotted by PassionateGeekz. Other phones currently found in the Infinix Note series (the

Note that match is used for matching operations, and its return value is of boolean type. Through match, you can simply verify whether a certain element exists in the list. Example // Verify whether there is a string in the list starting with a, and match the first one, that is, return truebooleananyStartsWithA=stringCollection.stream().anyMatch((s)->s.startsWith("a"));System.out .println(anyStartsWithA);//true//Verify whether the string in the list

The intval function in PHP is a function used to convert a variable to an integer type. Its usage is relatively simple, but there are some skills and precautions that need to be mastered. Correct use of the intval function can effectively handle data type conversion issues and avoid errors in the program. The basic usage of the intval function The basic syntax of the intval function is as follows: intval($var,$base=10) where $var represents the variable to be converted to an integer,

Concept 1. Various Match operations can be used to determine whether a given Predicate meets the elements of a Stream. 2. Match operation is a terminal operation and returns a Boolean value. Instance booleananyStartsWithA=stringCollection.stream().anyMatch((s)->s.startsWith("a"));System.out.println(anyStartsWithA);//truebooleanallStartsWithA=stringCollection.stream().

Concept 1. Various Match operations can be used to determine whether a given Predicate meets the elements of a Stream. 2. Match operation is a terminal operation and returns a Boolean value. Instance booleananyStartsWithA=stringCollection.stream().anyMatch((s)->s.startsWith("a"));System.out.println(anyStartsWithA);//truebooleanallStartsWithA=stringCollection.stream().

PHP is a popular server-side scripting language that is widely used in website development and application development. In PHP, there are many built-in functions that can help developers simplify the programming process. One of the commonly used functions is the intval function. In this article, we will deeply explore the underlying mechanism of the intval function and use specific code examples to help readers better understand its functions and effects. First, let us understand the basic usage of the intval function. intval function is used

On July 29, the well-known digital blogger @digitalchat.com revealed the key configuration information of a certain brand’s upcoming mid-range phone series. The comments section and leaked information speculated that it is expected to be Xiaomi’s Redmi Note14 series phone. 1. According to bloggers, this mid-range phone series will adopt a 1.5K resolution hyperboloid screen design and be equipped with a 50-megapixel (50Mp) outsole elliptical lens module. In terms of body material, this series of mobile phones seems to have chosen a more economical plastic middle frame, and is also equipped with short-throw optical fingerprint unlocking technology. In terms of processor, the ultra-large version of this series of mobile phones is expected to be equipped with MediaTek's Dimensity series processor, manufactured using the second-generation TSMC 4nm process, with a main frequency of up to 3.0GHz. This configuration information
