Prázdne pole php

Príklady kódu

12
0

pole prázdne check v php

if (empty($array)) {
     // list is empty.
}
1
0

skontrolujte, či je pole prázdne php

// Declare an array and initialize it 
$non_empty_array = array('apples' => '2'); 
  
// Declare an empty array 
$empty_array = array(); 
  
// Condition to check array is empty or not 
if(!empty($non_empty_array)) {
    echo "Given Array is not empty <br>"; 
}
if(empty($empty_array)) {
    echo "Given Array is empty"; 
}
1
0

deklarovať prázdne pole v php

$emptyArray = []; 
$emptyArray = array();
$emptyArray = (array) null;
0
0

odstrániť prázdne prvky poľa php

$colors = array("red","","blue",NULL);

$colorsNoEmptyOrNull = array_filter($colors, function($v){ 
 return !is_null($v) && $v !== ''; 
});
//$colorsNoEmptyOrNull is now ["red","blue"]
0
0

pole by nemalo byť prázdne php

$arr = array();

if(!empty($arr)){
  echo "not empty";
}
else 
{
  echo "empty";
}
-1
0

php prázdne pole

//To clear array you are able to simply re-instantiate it
$foo = array();

//To clear $foo from the symbol table use
unset($foo);

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