Php sort custom function

<?php
function cmp($a, $b)
{
    if ($a == $b) {
        return 0;
    }
    return ($a < $b) ? -1 : 1;
}

$a = array(3, 2, 5, 6, 1);

usort($a, "cmp");

foreach ($a as $key => $value) {
    echo "$key: $value\n";
}
?>

Source: php.net

Similar codes

102 votes257 views6 answers
Push element in array php
PHP
6 votes130 views2 answers
Php go to another page
PHP
12 votes159 views4 answers
Laravel auth setup
PHP Laravel
11 votes179 views2 answers
Wp-config override site url
PHP
1 vote140 views1 answer
Phpstorm php file header coment
PHP
1 vote134 views2 answers
Laravel return response with headers
PHP
9 votes140 views4 answers
Composer require laravel/ui laravel 7
PHP
0 vote152 views1 answer
Get post data in laravel
PHP Laravel
2 votes124 views2 answers
Php Undefined
PHP
1 vote132 views3 answers
Post request axios php
PHP