This is how i used todo my for loops, it's called post-increment:

for ($i = 0; $i < 10; $i++) {}
  • the value of $i copied to an internal temporary variable
  • $i is incremented
  • the internal copy of the old value of $i is returned

This is called pre-increment and it's 10% faster!

for ($i = 0; $i < 10; ++$i) {}
  • $i is incremented
  • the new value is returned
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