3v4l.org

run code in 300+ PHP versions simultaneously

@ 2018-04-22T16:35:12Z

<?php

$testArray = ['a' => ['b' => 'l'], 'c' => 'm', 'd' => ['n' => 'o']];
$actionArray = ['b' => 'action'];


function toUpperRecursive($arr, $actionArray) {
    foreach ($arr as $key => $val) {
        
        if (is_array($val)) {
            $newKey = strtoupper($key);
            $arr[$newKey] = toUpperRecursive($val, $actionArray);
            unset($arr[$key]);
        }
        elseif (is_string($val)) {
            
            foreach($actionArray as $actionKey => $action) {
                
                if($key === $actionKey) {
                    
                    $arr[$key] = $val . ' + 1111';
                }
                
            }
            
        }
    }
    
    return $arr;
}

// echo "before:\n";
// var_export($testArray);
// echo "after:\n";
// var_export(toUpperRecursive($testArray));
var_export(toUpperRecursive($testArray, $actionArray));

Output for 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 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 - 8.3.4, 8.3.6 - 8.3.7: array ( 'c' => 'm', 'A' => array ( 'b' => 'l + 1111', ), 'D' => array ( 'n' => 'o', ), )
Output for 8.3.5: Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0 array ( 'c' => 'm', 'A' => array ( 'b' => 'l + 1111', ), 'D' => array ( 'n' => 'o', ), )

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