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In PHP, the explode() function is used to convert a string into an array. The explode() function can split a string based on the string separator, that is, split a string into several substrings based on the separator, and then combine these substrings into an array and return it; the syntax is "explode(separator, string , the number of array elements)".
The operating environment of this tutorial: windows7 system, PHP version 8.1, DELL G3 computer
In php, explode() Function is used to convert a string into an array.
explode() function uses one string to split another string and returns an array composed of strings.
In detail: The explode() function can split a string based on the string delimiter, that is, split a string into several substrings based on the delimiter, and then combine these substrings into an array and return it.
explode($delimiter, $string [, $limit])
The parameter description is as follows:
Note: The $delimiter parameter cannot be an empty string. Otherwise, an error will be reported.
<?php header('content-type:text/html;charset=utf-8'); $str = 'hypertext language programming'; var_dump($str); $arr=explode(" ",$str); var_dump($arr); $arr=explode("t",$str); var_dump($arr); $arr=explode("",$str); var_dump($arr); ?>
$limit takes different values:
<?php header('content-type:text/html;charset=utf-8'); $str = 'hypertext language programming'; var_dump($str); $arr=explode(" ",$str); var_dump($arr); $arr=explode(" ",$str,2); var_dump($arr); $arr=explode(" ",$str,-1); var_dump($arr); ?>
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