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array_intersect_key()

« array_intersect_assoc | array_intersect_uassoc »
<?php
$array 
array_intersect_key (
    
// array $array1
    
  // array $array2
);
?>
结果
$array = [
  
'blue' => 1,
  
'green' => 3,
]
示例
#1 array_intersect_key  (["blue" => 1"red" => 2"green" => 3"purple" => 4],
 [
"green" => 5"blue" => 6"yellow" => 7"cyan" => 8])
另请参阅
array_diff, array_diff_assoc, array_diff_key, array_diff_uassoc, array_diff_ukey, array_intersect, array_intersect_assoc, array_intersect_uassoc, array_intersect_ukey, array_udiff, array_udiff_assoc, array_udiff_uassoc