Question

How to reindex array in PHP

Answer 1

$s = "PHP general-purpose PHP scripting PHP scripting language scripting PHP PHP"; 

$arr = preg_split("/[\s,-.]+/", $s);
print_r($arr);

$arr = array_unique($arr);
print_r($arr);

// reindex array
$arr = array_values($arr);
print_r($arr);





/*
run:

Array
(
    [0] => PHP
    [1] => general
    [2] => purpose
    [3] => PHP
    [4] => scripting
    [5] => PHP
    [6] => scripting
    [7] => language
    [8] => scripting
    [9] => PHP
    [10] => PHP
)
Array
(
    [0] => PHP
    [1] => general
    [2] => purpose
    [4] => scripting
    [7] => language
)
Array
(
    [0] => PHP
    [1] => general
    [2] => purpose
    [3] => scripting
    [4] => language
)

*/

 

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