What is the method to split string in php

PHP string splitting

is used to split strings.

The related functions are as follows:

·explode(): Use one string to split another string.

·str_split(): Split the string into an array.

explode()

This function is the inverse function of implode(). It uses one string to split another string and returns an array.

Syntax:

array explode( string separator, string string [, int limit] )

Parameter description:

Related recommendations: "PHP Getting Started Tutorial"

Example:

<?php
$str = &#39;one|two|three|four&#39;;
print_r(explode(&#39;|&#39;, $str));
print_r(explode(&#39;|&#39;, $str, 2));
// 负数的 limit（自 PHP 5.1 起）
print_r(explode(&#39;|&#39;, $str, -1));
?>

The output results are as follows:

Array
(
    [0] => one
    [1] => two
    [2] => three
    [3] => four
)
Array
(
    [0] => one
    [1] => two|three|four
)
Array
(
    [0] => one
    [1] => two
    [2] => three
)

str_split()

str_split() Split the string into an array, successful Return an array.

Syntax:

array str_split( string string [, int length] )

Parameter description:

Example:

<?php
$str = &#39;one two three&#39;;
$arr1 = str_split($str);
$arr2 = str_split($str, 3);
print_r($arr1);
print_r($arr2);
?>

The output result is as follows:

Array
(
    [0] => o
    [1] => n
    [2] => e
    [3] =>  
    [4] => t
    [5] => w
    [6] => o
    [7] =>  
    [8] => t
    [9] => h
    [10] => r
    [11] => e
    [12] => e
)
Array
(
    [0] => one
    [1] =>  tw
    [2] => o t
    [3] => hre
    [4] => e
)

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