Documentation

PHP documentation PHP String Functions PHP Math Functions Function definition format E.g. round() is defined as: : float is the return type of the function

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Differences To C and C++

=== and !=== PHP is a loosly typed language.  For instance this is true because PHP converts to the requried types before the compare: if (1000 == “+1000”) To perform an exact comparison you can use this instead, which is false if (1000 === “+1000”) For does not equal you can also use !== Break […]

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.General PHP

Get PHP Info <?php phpinfo(); ?> Die (Exit page at this point) if (some_problem) { echo “There was an error.”; die(); }

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