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PHP implode () function

PHP String Reference PHP String Reference

Examples

The elements of an array to a string:

<?php
$arr = array('Hello','World!','Beautiful','Day!');
echo implode(" ",$arr);
?>

Running instance »

Definition and Usage

implode () function returns a combination of array elements into a string.

Note: implode () function accepts two arguments in order.However, due to historical reasons, the explode () is not enough, you must ensure that the separator argument before the string parameter down.

Note: implode () separator function parameters are optional.However, for backward compatibility, it is recommended that you use two parameters.

Note: This function is binary safe.


grammar

implode( separator,array )

参数 描述
separator 可选。规定数组元素之间放置的内容。默认是 ""(空字符串)。
array 必需。要组合为字符串的数组。

technical details

return value: It returns a combination of array elements into a string.
PHP version: 4+
Update log: Since PHP 4.3.0, separator parameters become optional.


More examples

Example 1

An array of characters separated by different elements:

<?php
$arr = array('Hello','World!','Beautiful','Day!');
echo implode(" ",$arr)."<br>";
echo implode("+",$arr)."<br>";
echo implode("-",$arr)."<br>";
echo implode("X",$arr);
?>

Running instance »


PHP String Reference PHP String Reference