PHP multidimensional array PHP introductory learning knowledge point 5 Several basic operations on PHP arrays

Copy the code The code is as follows:

/*
* Simple array definition and access
*/
echo "Simple array definition and access
";
echo "# ################################################# #########
";
$address=array(5);
$address[0]="Fuzhou";
$address[1]="Xiamen";
$address[ 2]="Zhangzhou";
$address[3]="Quanzhou";
$address[4]="Ningde";
$address[5]="Nanping";
$address[6]="Longyan" ;
echo "I currently live in $address[1]
";
echo "########################## #############################


";
/*
* Array traversal
*/
echo "Array traversal through for loop
";
echo "######################## ################################
";
for($index=0;$index< ;count($address);$index++){
print("The $address[$index] of the ".$index."th area in the array is
");
}
echo "#### ################################################# ######


";
/*
* Array initialization
*/
echo "Array initialization, and get the number of the current month through the date function, and output the relevant array Subject content
";
echo "##################################### ####################
";
$arrM
date_default_timezone_set("utc"); //Set the default time zone
$m
echo "array The structure is ";
print_r($arrMonth);
echo "The current month is ".$month.", its English is ".$arrMonth[$month-1]."
";
echo " ################################################# #########


";
/*
*Array initialization, and define the keys, and then access the array through the key value
*/
echo "Array initialization , and define the key, and then access the array by key
";
echo "############################## ###########################
";
$arrM
,"Aug"=>"August", "Sept"=>"Septmber","Oct"=>"October","Nov"=>"November","Dec"=>"December"
);
echo "Accessed by the English abbreviation Aug Array".$arrMonth["Aug"]."
";
echo "############################ #############################


";
echo "Pass below Foreach traverses the array
";
echo "#################################### #####################
";
foreach ($arrMonth as $key=>$value){
echo " =>key is $key, the value is $value
";
}
echo "############################## #########################


";
/*
* Define multi-dimensional array
*/
echo "Define two-dimensional array
";
$arrArea=array("East China"=>array("Fujian","Zhejiang"),"North China"=>array(" Beijing","Tianjin"));
echo "East China Area=>".$arrArea["East China Area"][0]
?>

The above introduces PHP multi-dimensional arrays. PHP introductory learning knowledge point 5. Several basic operations on PHP arrays, including PHP multi-dimensional arrays. I hope it will be helpful to friends who are interested in PHP tutorials.