Data type Flashcards
1
Q
is_bool()
A
check boolean type
2
Q
is_int()
A
check integer type
3
Q
is_float()
A
check float type
4
Q
is_string()
A
check string type
5
Q
is_array()
A
check array type
6
Q
is_object()
A
check object type
7
Q
is_resource()
A
check recource type
8
Q
is_null()
A
check null type
9
Q
floatval()
A
get float value of a variable
10
Q
intval()
A
get integer value of a variable
11
Q
strval()
A
get string value of a variable
12
Q
get_defined_vars()
A
returns an array of all defined functions
13
Q
gettype()
A
get type of a variable
14
Q
settype(var,type)
A
set type of a variable
15
Q
isset()
A
determine if a variable is declared and is different than NULL
16
Q
empty()
A
Determine if a variable is empty
17
Q
unset()
A
delete a variable
18
Q
print_r()
A
prints human-readable information about a variable
19
Q
var_dump()
A
prints information about a variable
20
Q
get_resource_type()
A
return a resource type
