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PHP Control Structures (Loop)

PHP Control Structures (Loop)
What will be the output of the following PHP code ?
for ($i = 0; 0; $i++) {
print"i";
}

infinite loop
0
no output
error

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PHP Control Structures (Loop)
What will be the output of the following PHP code ?
$a = "hello";
if (strlen($a))
print strlen($a);
else
print "hi";

hi
hellolength
error
5

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PHP Control Structures (Loop)
What will be the output of the following PHP code ?
$a = 97;
switch(?$a) {
case "a":
print "hi";
break;
case 97:
print "hello";
break;
default:
print "hi1";
}

hihello
hihellohi1
hi
hello

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PHP Control Structures (Loop)
What will be the output of the following PHP code ?
$x = 0;
if ($x == 1)
if ($x >= 0)
print "true";
else
print "false";

false
error
true
no output

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PHP Control Structures (Loop)
What will be the output of the following PHP code ?
while() {
print "hi";
}

infinite loop
no output
hi
error

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PHP Control Structures (Loop)
What will be the output of the following PHP code ?
for ($count = 0; $count < 3;$count++); {
print "hi";
continue;
print "hello";
}

hellohellohello
hihellohihellohihello
hi
hihihi

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