PHP explode () function
Examples
String broken array:
<?php
$str = "Hello world. It's a beautiful day.";
print_r (explode(" ",$str));
?>
$str = "Hello world. It's a beautiful day.";
print_r (explode(" ",$str));
?>
Running instance »
Definition and Usage
explode () function to break up the string array.
Note: "separator" parameter can not be an empty string.
Note: This function is binary safe.
grammar
explode( separator,string,limit )
参数 | 描述 |
---|---|
separator | 必需。规定在哪里分割字符串。 |
string | 必需。要分割的字符串。 |
limit | 可选。规定所返回的数组元素的数目。 可能的值:
|
technical details
return value: | Returns an array of strings. |
---|---|
PHP version: | 4+ |
Update log: | In PHP 4.0.1, add the parameter limit. In PHP 5.1.0, the new support for the negative limits. |
More examples
Example 1
Use limit parameter to return some of the array elements:
<?php
$str = 'one,two,three,four';
// zero limit
print_r(explode(',',$str,0));
// positive limit
print_r(explode(',',$str,2));
// negative limit
print_r(explode(',',$str,-1));
?>
$str = 'one,two,three,four';
// zero limit
print_r(explode(',',$str,0));
// positive limit
print_r(explode(',',$str,2));
// negative limit
print_r(explode(',',$str,-1));
?>
Running instance »
PHP String Reference