是否有任何类似于“ array_intersect”的函数,但它在模式下不区分大小写并忽略波浪号?
array_intersect PHP函数将数组元素与===进行比较,所以我没有得到预期的结果。
例如,我想要此代码:
$array1 = array("a" => "gréen", "red", "blue");
$array2 = array("b" => "green", "yellow", "red");
$result = array_intersect($array1, $array2);
print_r($result);
输出gréen和red。在默认的array_intersect函数中,仅建议red(正常原因===)。
任何解决方案?
提前谢谢您
<?php
function to_lower_and_without_tildes($str,$encoding="UTF-8") {
$str = preg_replace('/&([^;])[^;]*;/',"$1",htmlentities(mb_strtolower($str,$encoding),null,$encoding));
return $str;
}
function compare_function($a,$b) {
return strcmp(to_lower_and_without_tildes($a), to_lower_and_without_tildes($b));
}
$array1 = array("a" => "gréen", "red", "blue");
$array2 = array("b" => "green", "yellow", "red");
$result = array_uintersect($array1, $array2,"compare_function");
print_r($result);
输出:
Array
(
[a] => gréen
[0] => red
)
$result = array_intersect(array_map('strtolower', $array1), array_map('strtolower', $array2));