text 递归搜索JSON数组 - 按键获取值

Posted 2021-05-02

<?php


/// or since it is in general func

use Kit\General\GeneralFunc;

// then
GeneralFunc::recursiveFind($needle, 'key');
//////


// don't forget, i wrote my own version of it to get them ALL

GeneralFunc::recursiveFindAll($needle, 'key');
//////





public function recursiveFind(array $haystack, $needle)
{
    $iterator  = new \RecursiveArrayIterator($haystack);
    $recursive = new \RecursiveIteratorIterator(
        $iterator,
        \RecursiveIteratorIterator::SELF_FIRST
    );
    foreach ($recursive as $key => $value) {
        if ($key === $needle) {
            return $value;
        }
        
    }
}

// example usage:
$output['rel']= $this->recursiveFind($array,'synonym');