php explode function explanation

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php explode function uses one string to split another string. The split strings will be combined into an array and return this array. . This article introduces you to the basic syntax and usage examples of the explode function. Coders in need can refer to it.

explode Use one string to split another string

Basic syntax of the explode function:

<span>array</span><span>explode</span>  ( <span>string</span><span>$delimiter</span>  , <span>string</span><span>$string</span>  [, int <span>$limit</span>  ] )

explode function returns an array composed of strings. Each element is a substring of string, and they are delimited by string delimiter Split as boundary points.

explode parameter introduction:

Parameter name	Description
delimiter	Required. separator character.
string	A must. The string that needs to be split.
limit	optional. If the limit parameter is set and is positive, the returned array contains at most limit elements, and the last element will contain the remainder of the string. If the limit argument is negative, all but the last -limit elements are returned. If limit is 0, it will be treated as 1.

explode return value:

This function returns an array composed of strings. Each element is a substring of string, and they are separated by string delimiter as boundary points.

If delimiter is an empty string (""), explode() will return FALSE. If delimiter contains a value not found in string and a negative limit is used, an empty array is returned, otherwise an array containing a single element of string is returned.

explode instance:

&lt;?<span>php
 </span><span>$pizza</span>   =  "piece1 piece2 piece3 piece4 piece5 piece6"<span> ;
 </span><span>$pieces</span>  =  <span>explode</span> ( " " ,  <span>$pizza</span><span> );
 </span><span>echo</span><span>$pieces</span> [ 0 ];  <span>//</span><span> piece1</span><span>echo</span><span>$pieces</span> [ 1 ];  <span>//</span><span> piece2</span>?&gt;

running online

The above has introduced the explanation of the php explode function, including various aspects. I hope it will be helpful to friends who are interested in PHP tutorials.