For Loop does not work

[Dwayner79]

First time developing in PHP. Used to coding in c#, so feel free to make fun of me. Here is the code I am using:

<?php
$response = file_get_contents($url);
$jsonResults = json_decode($response, true);

echo "Title: ".$jsonResults['items']['0']['volumeInfo']['title']; //this works
echo "Title: ".$jsonResults['items']['1']['volumeInfo']['title']; //this works

//this does not
for ($i = 0; $i < $jsonResults['items'].length; $i++) {
echo "Link: ".$jsonResults['items'][$i]['volumeInfo']['title'];
}
?>

Now the json results look like this:

array(3) {
["items"]=>
array(10) {
[0]=>
array(7) {
["volumeInfo"]=>
array(12) {
["title"]=>
string(64) "MyTitle"
}

***************** "We need to apply 21st-century information technology to the health care field. We need to have our medical records put on the I.T." —GW

[Graham Breach]

PHP doesn't use the . operator for class members. If $jsonResults['items'] was an instance of a class, then the way to access the length member would be $jsonResults['items']->length. Native arrays are not classes though, so to find their length you need to use the count function:

<?php
$length = count($jsonResults['items']);
for($i = 0; $i < $length; $i++) {
echo "Link: ".$jsonResults['items'][$i]['volumeInfo']['title'];
}

or you could use foreach instead of for:

<?php
foreach($jsonResults['items'] as $item) {
echo "Link: ".$item['volumeInfo']['title'];
}

[Firo Atrum Ventus]

I always sizeof() thou

A hidden needle is way more effective than an unsheathed sword. That is, in the hand of professionals. What about you? Just pray your enemies are blind

[Dwayner79]

Thank you both!

***************** "We need to apply 21st-century information technology to the health care field. We need to have our medical records put on the I.T." —GW