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Posted by Al on 10/08/19 11:34
Jochem Maas wrote:
> Al wrote:
>
>> However....
>>
>> For loops:
>>
>> $new_array= array();
>>
>> foreach($old array as $value){
>>
>> $new_array= $value:
>> }
>>
>> Otherwise, all you'll get it the last assignment of $new_array as a
>> variable, not an array.
>
>
> which is exactly what you get if yuou run the code above - after
> the foreach loop $new_array will be set to the value of the
> last item of $old_array.
>
> regardless of whether you init the var you still have to
> use the square-bracket notation to add items to the array.
>
>>
>> You can also use;
>>
>> foreach($old array as $value){
>>
>> $new_array[]= $value:
>> }
>>
>> But sometimes, if the expression is a bit fancy in the loop and you
>> are using $keys, it is easy to make a mistake.
>>
>> Al..........
>>
>> Michael Hulse wrote:
>>
>>> Sorry if this question sounds noobish:
>>>
>>> $foo = array(); // Declare first, good practice.
>>> $foo = array('one', 'two', 'three');
>>>
>>> Using above as example, is it good to always declare the array first?
>>>
>>> I usually/always declare my arrays first, but sometimes I get a bit
>>> confused... for example:
>>>
>>> function give_foo() {
>>> $the_foo = array(); // Declare first, good practice.
>>> $the_foo = array('one', 'two', 'three');
>>> // Do some stuff here...
>>> return $the_foo;
>>> }
>>> $foo = give_foo(); // Declare $foo also?
>>>
>>> So, should I declare $foo as array and then give it the value of the
>>> function? Example:
>>>
>>> $foo = array(); // Declare first, good practice.
>>> $foo = give_foo();
>>>
>>> That seems kinda redundant. Thoughts?
>>>
>>> Sorry if this is a stupid question... I am self-taught, and I am
>>> trying to shake all my bad coding habits.
>>
>>
>>
Taint so Jochem. Try it.
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