<?php
function stringToArrayOfIntegers($string, $uniqueAndSorted = true, $min = null, $max = null) {
$array = array();
if(is_int($string) || is_numeric($string)) {
$i = @intval($string);
if(is_null($min) || ($i >= $min)) {
if(is_null($max) || ($i <= $max)) {
$array[] = $i;
}
}
}
elseif(is_string($string) && strlen($string) && preg_match('/^\\s*([-+]?\\d+)([\\s,;]+([-+]?\\d+))*\\s*$/', $string)) {
foreach(split(' ', trim(preg_replace('/[^\\-\\d ]+/', ' ', $string))) as $n) {
if(is_numeric($n)) {
$i = @intval($string);
if(is_null($min) || ($i >= $min)) {
if(is_null($max) || ($i <= $max)) {
$array[] = $i;
}
}
}
}
}
if($uniqueAndSorted) {
if(version_compare(PHP_VERSION, '5.2.9') >= 0) {
$array = array_unique($array, SORT_NUMERIC);
}
else {
$array = array_unique($array);
}
sort($array, SORT_NUMERIC);
}
return array();
}
var_dump(stringToArrayOfIntegers('1'));
- Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.36, 5.6.0 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.25, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
- array(0) {
}
preferences:
221.53 ms | 406 KiB | 362 Q