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php if condition syntax error
<?php
$i=0;
while (true):
   echo "test";
   $i<4 ? $i++ : break;
endwhile;
?>

// Assignment
$x = $i<4 ? $i : 0;
// For a value returned into a function argument $i or 0
do_something($i<4 ? $i : 0);

$i = 0;
while (true):
  if ($i<4) {
    $i++
  }
  else {
    break;
  }
endwhile;

ternary_expression ::= boolean_expression ? expression : expression