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();