Javascript debugger
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continue
continue is used within looping structures to
skip the rest of the current loop iteration and continue execution
at the condition evaluation and then the beginning of the next iteration.
Note that in PHP the
switch statement is
considered a looping structure for the purposes of
continue.
continue accepts an optional numeric argument
which tells it how many levels of enclosing loops it should skip
to the end of.
<?php
while (list($key, $value) = each($arr)) {
if (!($key % 2)) { // skip odd members
continue;
}
do_something_odd($value);
}
$i = 0;
while ($i++ < 5) {
echo "Outer<br />\n";
while (1) {
echo " Middle<br />\n";
while (1) {
echo " Inner<br />\n";
continue 3;
}
echo "This never gets output.<br />\n";
}
echo "Neither does this.<br />\n";
}
?>
Omitting the semicolon after continue can lead to
confusion. Here's an example of what you shouldn't do.
<?php
for ($i = 0; $i < 5; ++$i) {
if ($i == 2)
continue
print "$i\n";
}
?>One can expect the result to be :
0
1
3
4but this script will output :
2
because the return value of the print()
call is int(1), and it will look like the
optional numeric argument mentioned above.