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PHP Control Structures (Loop)

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

1
01234567891011121314...infinitely
0
1234567891011121314...infinitely

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

no output
error
infinite loop
0

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PHP Control Structures (Loop)
What will be the output of the following PHP code ?
for ($i = 0; -5 ; $i++) {
print"i";
if ($i == 3)
break;
}

0 1 2 3 4 5
error
0 1 2 3 4
0 1 2 3

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PHP Control Structures (Loop)
What will be the output of the following PHP code ?
for(;;) {
print "10";
}

error
infinite loop
10
no output

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PHP Control Structures (Loop)
What will be the output of the following PHP code ?
$x = 1;
if ($x--)
print "hi"
$x--;
else
print "hello"

no output
hi
error
hello

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PHP Control Structures (Loop)
What will be the output of the following PHP code ?
$i = 0;
while($i = 10) {
print "hi";
}
print "hello";

infinite loop
hihello
hello
error

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