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h 2 f = /home/content/34/7561834/html/d/e/mwc/h/course/tricks/index.php
s 2 f = /course/tricks/
s 2 f = /course/tricks/
s 2 f = /course/tricks/
s 2 f = /course/tricks/
h h = /home/content/34/7561834/html/
p 2 w = /home/content/34/7561834/html/d/e/mwc/h/
h 2 h = /home/content/34/7561834/html/d/e/mwc/h/
h p = /course/tricks/
PHP_SELF refers to main page loaded in a browser.
_serv[PHP_SELF] = /course/tricks/index.php
basename(_serv[PHP_SELF]) = index, i.e. main-page.
dirname(_serv[PHP_SELF]) = /course/tricks+/, i.e. main-page dir+/, best for hp
__FILE__ refers to SCRIPT, NOT main-page, it IS included < included < included script calling this var/constant.
__FILE__ = /home/content/34/7561834/html/zn/hi_sdata.php
basename(__FILE__) = hi_sdata
dirname(__FILE__) = /home/content/34/7561834/html/zn
tsh code =
Math Tricks - FREE online how to tutorials on math tricks, examples

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Math Tricks
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Multiplication Tricks ( a big favorite! )

Bases (other than base 10 i.e. the decimal system, for example base 2 and base 20)

Pi calculation

Sudoku