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php array_flip() removes duplicate elements from an array

In PHP, there is a function available for removing duplicate elements in an array, which is array_unique(), but it is not the most efficient method. Using array_flip() function will be five times faster than array_unique() about.

Dec 28, 2016 pm 03:18 PM

php array flip 数组重复

PHP array function sequence array_unique() - remove duplicate element values in the array

The array_unique() function removes duplicate values from an array and returns the resulting array. When the values of several array elements are equal, only the first element is retained and the other elements are deleted.

Dec 28, 2016 pm 03:17 PM

array unique 数组重复

PHP array function sequence array_slice() - remove a value from the array based on conditions and return it

The array_slice() function removes a segment of value from the array based on conditions and returns

Dec 28, 2016 pm 03:16 PM

array slice

PHP uses the array_slice function to obtain a random array or the first few pieces of data

This article mainly introduces the relevant information about how PHP uses the array_slice function to obtain random arrays or the first few pieces of data. Friends who need it can refer to it.

Dec 28, 2016 pm 03:13 PM

php array slice 随机获取数组

Detailed explanation of php rmdir using recursive function to delete non-empty directory instances

We all know that the php rmdir() function is used to delete empty directories, but if we want to delete a non-empty directory, we must delete the files or subdirectories in the non-empty directory. This article introduces how PHP uses recursive functions to delete non-empty directories. Empty directory, friends in need can refer to it

Dec 28, 2016 pm 03:03 PM

php rmdir 函数

Recursively delete directories and files in rrmdir php

The rmdir that comes with PHP can only delete empty directories. This rrmdir can recursively delete the directory and all the files in the directory. However, be careful when using it. Do not delete all the files.

Dec 28, 2016 pm 03:02 PM

rrmdir 递归删除

PHP delete files and folders using the two functions unlink() and rmdir()

Sometimes we need to use PHP to delete files and folders. PHP originally has functions to achieve this. Let’s simply record the code so that we can follow it later.

Dec 28, 2016 pm 03:00 PM

unlink() rmdir()

Description of the method of merging and compressing Seajs modules based on gulp

This article introduces a simple and feasible method to merge and compress seajs in small and medium-sized projects built based on gulp. Friends who are interested can take a look at the details.

Dec 28, 2016 pm 02:08 PM

gulp， seajs，合并压缩

Loading of dependencies between seajs modules and execution of modules

Front-end projects are inseparable from SeaJS. Many websites now use SeaJS, and people are becoming more and more interested in the principle of this JS module loader. In this article, we will learn about the loading of dependencies between seajs modules and the execution of modules. Friends who are interested can take a look below.

Dec 28, 2016 pm 01:55 PM

seajs 依赖加载

PHP debug_backtrace() stack debugging

Dec 28, 2016 pm 01:42 PM

debug_backtrace()，堆栈调试

Multi-city selector implementation code

Multi-city selector implementation code, requirements: Popular cities and cities in the list need to be queried in the database and then constructed into a list, and arranged in a-z order. The query can be implemented by entering letters.

Dec 28, 2016 pm 01:40 PM

城市选择器

PHP debugging tool debug_print_backtrace()

debug_print_backtrace() is a very low-key function, and few people pay attention to it. But when I call another object on one object and then call another object and a function in the file and an error occurs, it is laughing.

Dec 28, 2016 pm 01:40 PM

debug_print_backtrace()，php

How to learn PHP debug_backtrace()

Dec 28, 2016 pm 01:35 PM

debug_backtrace()，PHP

Random thoughts about PHP debug_backtrace

As you may all know, there is a function in PHP called debug_backtrace, which can backtrace the calling information of the function and can be said to be a debugging tool.

Dec 28, 2016 pm 01:33 PM

PHP，debug_backtrace