What will be the output of the following PHP code?
<?php
$op2 = "blabla";
function foo($op1)
{
echo $op1;
echo $op2;
}
foo("hello");
?>
<?php
$op2 = "blabla";
function foo($op1)
{
echo $op1;
echo $op2;
}
foo("hello");
?>A. helloblabla
B. error
C. hello
D. helloblablablabla
Answer: Option C
Solution(By Examveda Team)
If you want to put some variables in function that was not passed by it, you must use “global”. Inside the function type global $op2.Related Questions on Functions
Which one of the following is the right way of defining a function in PHP?
A. function { function body }
B. data type functionName(parameters) { function body }
C. functionName(parameters) { function body }
D. function fumctionName(parameters) { function body }
A. Call By Value
B. Call By Reference
C. Default Argument Value
D. Type Hinting
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