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What is php's explode?

2025-03-29 Update From: SLTechnology News&Howtos shulou NAV: SLTechnology News&Howtos > Development >

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Today, I would like to share with you the relevant knowledge of what php explode is, detailed content and clear logic. I believe most people still know too much about it, so share this article for your reference. I hope you can get something after reading this article. Let's take a look at it.

In php, explode means "string to array", which is used to split a string into several substrings according to the delimiter, then combine these substrings into an array and return, the syntax "explode (delimiter, string, number of elements)"; the third parameter of this function can be omitted to specify the number of elements to be returned in the array.

Operating environment of this tutorial: windows7 system, PHP7.1 version, DELL G3 computer

In php, explode means "string to array".

The explode () function splits a string based on a string delimiter, that is, it splits a string into several substrings based on the delimiter, and then combines these substrings into an array and returns. The syntax format is as follows:

Explode ($separator,$string,$limit)

The parameters are described as follows:

$separator: the delimited character used to split the string

$string: the string to be split

$limit: optional parameter, which can be empty to specify the number of array elements to be returned

Possible values:

Is greater than 0, the returned array contains at most $limit elements, and the last element contains the rest of $string

Is less than 0, all elements except the last $limit element are returned

If 0, it will be treated as 1

Is empty (omitted), all array elements are returned.

If $separator is an empty string "", the program will prompt Warning, and the explode () function will return FALSE; if the value contained in $separator cannot be found in $string, and a negative value of $limit is used, it will return empty array, otherwise it will return an array containing a single element of $string.

Example:

These are all the contents of the article "what is the explode of php?" Thank you for reading! I believe you will gain a lot after reading this article. The editor will update different knowledge for you every day. If you want to learn more knowledge, please pay attention to the industry information channel.

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