php的一些数组用法

数组分割

array_chunk();

比较数组

1.

array_diff() array_diff_assoc()

2.

array_filter();

functionodd($var){  

	return($var%2==1);  

}  

functioneven($var){  

	return($var%2==0);  

} 

 

$arrayarray1=array("a"=>1,"b"=>2,"c"=>3,"d"=>4,"e"=>5);  

$arrayarray2=array(6,7,8,9,10,11,12);  

echo"Odd:\n";  

print_r(array_filter($array1,"odd"));  

echo"Even:\n";  

print_r(array_filter($array2,"even"));  

?> 

3.

array_map();

$a=array(1,2,3,4,5);  

$b=array("uno","dos","tres","cuatro","cinco");  

 

$c=array_map("show_Spanish",$a,$b); 



4.str_split();