3v4l.org

run code in 300+ PHP versions simultaneously

@ 2016-10-13T07:57:24Z

<?php
  
  $arrs = array( array('id'=>1,'name'=>'root','pid'=>0),
                 array('id'=>2,'name'=>'root1','pid'=>0),
                 array('id'=>3,'name'=>'level1','pid'=>1),
                  array('id'=>4,'name'=>'level11','pid'=>1),
                   array('id'=>5,'name'=>'leve21','pid'=>2),
                    array('id'=>6,'name'=>'level2','pid'=>2)
  
                );
                
 class digui{
         
          function index($id,$arr){
              
             echo  $this->doarr($id,$arr);
          }
         
          private function doarr($id,$arr ){
           
              foreach($arr as $key =>  $val){
                   if($id==$val['pid']){
                       if($val['pid']!=0)
                           {
                             $this->doarr($val['pid'],$arr); 
                              return $val['name'];
                         }
                        else return $val['name'];
                   }
                  
              }
          }
               
  }
  $d = new digui;
  //$d->index(3,$arrs);
  
  function test($a=0,&$result=array()){
$a++;
if ($a<10) {
    $result[]=$a;
    test($a,$result);
}
echo $a;
print_r($result);
return $result;

}
function test1($a=0){
   static $result=array();
     
    $a++;
    if ($a<10) {
        $result[]=$a;
        test1($a);
          print_r($result);
    }
 
    return $result;
}

   $arrs = array( array('id'=>1,'name'=>'root','pid'=>0),
                 array('id'=>2,'name'=>'root1','pid'=>0),
                 array('id'=>3,'name'=>'level1','pid'=>1),
                  array('id'=>4,'name'=>'level11','pid'=>1),
                   array('id'=>5,'name'=>'leve21','pid'=>2),
                    array('id'=>6,'name'=>'level2','pid'=>2)
  
                );
  
  function getree($data,$pid){
      
         $tree = array();
         foreach($data as $key=>$val){
               if($pid == $val['pid']){
                  $val['pid'] = getree($data,$val['id']);
                    $tree[] = $val;
                    
                    
               }
               
         }
         return $tree;
  }
  
  function getree1($data,$pid){
      
       $tree = array();
       foreach($data as $key=>$val){
           if($pid==$val['pid']){
               
                $val['pid'] = getree1($data,$val['id']);
                $tree[] = $val;
           }
           return $tree;
       }
        
  }
  $res = getree1($arrs,0);
 
 
 
 $rows = array(
    array(
        'id' => 1,
        'name' => 'dev',
        'parentid' => 0
    ),
    array(
        'id' => 2,
        'name' => 'php',
        'parentid' => 1
    ),
    array(
        'id' => 3,
        'name' => 'smarty',
        'parentid' => 2
    ),
    array(
        'id' => 4,
        'name' => 'life',
        'parentid' => 0
    ),
    array(
        'id' => 5,
        'name' => 'pdo',
        'parentid' => 2
    ),
    array(
        'id' => 6,
        'name' => 'pdo-mysql',
        'parentid' => 5
    ),
    array(
        'id' => 7,
        'name' => 'java',
        'parentid' => 1
    )
);
 
// 72648
// 84072

function buildtree($rows,$root_id){
    
      
        $childs = findchild($rows,0);
        if(empty($childs) ) return null;
        
        foreach($childs as $k=>$v){
            
            $rescurtree = buildtree($rows,$v['id']);
             if(!empty($rescurtree)){
                 $rescurtree[$k]['childs'] = $rescurtree;
             }
        }
        return $rescurtree;
}

function findchild($rows,$id){
       $childs  = array();
      foreach($rows as $k=>$v){
          
           if($v['parentid']==$id)
          $childs[] = $v;
            
      }
      return $childs;
    
}
buildtree($rows,0);

Output for 7.0.20, 8.2.18, 8.3.6: Fatal error: Allowed memory size of 67108864 bytes exhausted (tried to allocate 262144 bytes) in /in/MbklT on line 147
Process exited with code 255.
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 Fatal error: Allowed memory size of 67108864 bytes exhausted (tried to allocate 262144 bytes) in /in/MbklT on line 147
Process exited with code 255.
Output for 8.3.0 - 8.3.4: Fatal error: Out of memory (allocated 29360128 bytes) (tried to allocate 262144 bytes) in /in/MbklT on line 147 mmap() failed: [12] Cannot allocate memory mmap() failed: [12] Cannot allocate memory
Process exited with code 255.
Output for 8.2.0 - 8.2.17: Fatal error: Out of memory (allocated 31457280 bytes) (tried to allocate 262144 bytes) in /in/MbklT on line 147 mmap() failed: [12] Cannot allocate memory mmap() failed: [12] Cannot allocate memory
Process exited with code 255.
Output for 7.0.0 - 7.0.11, 7.1.0, 7.1.6 - 7.1.7, 7.1.20 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.31, 7.4.0 - 7.4.33, 8.0.0 - 8.0.12, 8.0.14 - 8.0.30, 8.1.0 - 8.1.1, 8.1.28: Fatal error: Allowed memory size of 67108864 bytes exhausted (tried to allocate 20480 bytes) in /in/MbklT on line 165
Process exited with code 255.
Output for 8.1.2 - 8.1.27: Fatal error: Out of memory (allocated 31457280) (tried to allocate 20480 bytes) in /in/MbklT on line 165 mmap() failed: [12] Cannot allocate memory mmap() failed: [12] Cannot allocate memory
Process exited with code 255.
Output for 7.3.32 - 7.3.33, 8.0.13: Fatal error: Out of memory (allocated 130023424) (tried to allocate 262144 bytes) in /in/MbklT on line 147 mmap() failed: [12] Cannot allocate memory mmap() failed: [12] Cannot allocate memory
Process exited with code 255.
Output for 7.1.5, 7.1.10: Process exited with code 137.
Output for 5.6.0 - 5.6.26: Fatal error: Allowed memory size of 67108864 bytes exhausted (tried to allocate 72 bytes) in /in/MbklT on line 165
Process exited with code 255.

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