<?php
$arr = ['10','100','50','90','2','5'];
$min = min($arr);
$max = max($arr);
echo $min.PHP_EOL;
echo $max.PHP_EOL;
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<?php
$arr = ['10','100','50','90','2','5'];
$min = min($arr);
$max = max($arr);
echo $min.PHP_EOL;
echo $max.PHP_EOL;