Summary of usage of php explode() function
In php, the explode() function splits a string into an array. Its return value is an array composed of strings, each element of which is a substring separated by separator as a boundary point. This article summarizes some articles about the php explode() function. I hope it will be helpful for everyone to learn the php explode() function.
1. Detailed explanation of php explode() function example
This article introduces the function and syntax of php explode() function. The php explode() function is: use one string to split another string and return an array composed of strings. Its syntax
explode(separator,string,limit)
separator parameter cannot be an empty string. If separator is the empty string (""), explode() returns FALSE. If separator contains a value that is not found in string, explode() returns an array containing a single element from string.
If the limit parameter is set, the returned array contains at most limit elements, and the last element will contain the remainder of the string.
If the limit parameter is a negative number, all elements except the last -limit elements are returned. This feature is new in PHP 5.1.0.
2.How to use the php explode() function
This article mainly introduces how to use the php explode() function. To split a string in PHP, we can use the function explode(). Usually in development projects, we want to view various parts of the string submitted by the user through a form or other methods for easy classification storage and use. For example, look at words in a sentence, or split a URL or email address into its component parts. At this time we can use the explode() function
3.The difference between the usage of php implode() function and explode() function
This article mainly implode() The difference in usage between the function and the explode() function. The explode() function in PHP is to use one string to split another string and return an array composed of strings. The implode() function returns a string composed of array elements. These two functions are mutual conversion functions between strings and arrays. First of all, from the usage point of view, one is to connect array elements into strings, and the other is to split strings into arrays. So the usage is different.Then there are differences in the parameters received. Due to historical reasons, explode() cannot accept two parameter orders. It must ensure that the separator parameter comes before the string parameter; Implode() can accept two parameter orders.
4. Summary of the difference between the explode function and split function in PHP
I believe everyone knows that both explode and split can pass specific characters in PHP Convert a string into an array, so why are there two functions since explode and split are the same? What is the difference between explode and split?
[php explode() function Q&A Recommendation】
1.javascript - Why can't explode separate spaces?
2.Does php mysql select support the explode field and then sort according to the value?
【Recommended related articles】
1.Usage analysis of negative limit in explode in php
2. php method to split a string into an array using the explode() function
The above is the detailed content of Summary of usage of php explode() function. For more information, please follow other related articles on the PHP Chinese website!
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