Description:
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Link: http://www.php.net/manual/en/types.comparisons.php

It's written that "If (..) the comparison involves numerical strings, then each string is converted to a number and the comparison performed numerically." After reading this, some (e.g., me) may think that both strings are converted if *any* of involved strings is numeric, so '2abc' == '2' would have to return true rather than false.

To avoid such misunderstandings, I would advise to change this sentence to something like this:
* "If you compare a number with a string, a string with a number or a numerical string with another numerical string, then each string is converted to a number and the comparison performed numerically."
* "If you compare a number with a string, a string with a number or two numerical strings, then each string is converted to a number and the comparison performed numerically."