PHP type comparison tables Digest

Comparisons of $x with PHP functions
Expression gettype() empty() is_null() isset() boolean : if($x)
$x = “”; string TRUE FALSE TRUE FALSE
$x = null; NULL TRUE TRUE FALSE FALSE
var $x; NULL TRUE TRUE FALSE FALSE
$x is undefined NULL TRUE TRUE FALSE FALSE
$x = array(); array TRUE FALSE TRUE FALSE
$x = false; boolean TRUE FALSE TRUE FALSE
$x = true; boolean FALSE FALSE TRUE TRUE
$x = 1; integer FALSE FALSE TRUE TRUE
$x = 42; integer FALSE FALSE TRUE TRUE
$x = 0; integer TRUE FALSE TRUE FALSE
$x = -1; integer FALSE FALSE TRUE TRUE
$x = “1″; string FALSE FALSE TRUE TRUE
$x = “0″; string TRUE FALSE TRUE FALSE
$x = “-1″; string FALSE FALSE TRUE TRUE
$x = “php”; string FALSE FALSE TRUE TRUE
$x = “true”; string FALSE FALSE TRUE TRUE
$x = “false”; string FALSE FALSE TRUE TRUE

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Agile Toolkit All In One Digest – Part 2

Part 1 of all in one series:
http://webelizer.net/211/agile-toolkit-all-in-one-digest.html

Database Integration

Agile Toolkit features two basic classes for model creation. The class “Model” is a lightweight implementation for NoSQL and non-relational databases. “Model_Table” class provides a more powerful model implementation which can rely on the power of relational database…

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