array_diff:根据数组值计算数组的差集
arrayarray_diff(array$array1,array$array2[,array$...]) 根据数组的值,返回比较数组的差集,在第一个数组而不再其他数组的值 $arr1 = ['bb'='bbb','a'='aaa','e'='ccc','d'='ddd'];$arr2 = ['c'='bbb','d'='ccc'];$arr = array_diff($arr1,$arr2);echo 'pre
array array_diff ( array $array1 , array $array2 [, array $... ] )
根据数组的值,返回比较数组的差集,在第一个数组而不再其他数组的值
$arr1 = ['bb'=>'bbb','a'=>'aaa','e'=>'ccc','d'=>'ddd']; $arr2 = ['c'=>'bbb','d'=>'ccc']; $arr = array_diff($arr1,$arr2); echo '<pre class="brush:php;toolbar:false">'; print_r($arr); result: Array ( [a] => aaa [d] => ddd )

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