note 102608 added to control-structures.goto

tweston at coldsteelstudios dot com, your "goto loop" is not while replacement, but "do ... while" replacement. In short - while structure can be not executed if when starting loop condition is not met, while your's "goto loop" executes once and then test the condition. In other words:
<?php
goto_loop:
$i++;
if( $i < 100 ) goto goto_loop;
?>
is identical to
<?php
do{
i++;
} while( $i < 100 );
?>
but isn't identical to
<?php
while( $i < 100 ){
$i++;
}
?>
When $i is set to 1000 before those loops, the first two will end with $i = 1001, while the third will end with $i = 1000.
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Manual Page -- http://www.php.net/manual/en/control-structures.goto.php
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