Date: 11/25/06 (Code WTF)    Keywords: mysql, sql

//pi to 1000 decimals. If you want more accuracy, bring it out even further. I dont think that you
//would want to have it any more accurate than this anyways hehe.
$pi = 3.141592653589793238462643383279502884197169399375105820974944592307816406286208998628034825342117
06798214808651328230664709384460955058223172535940812848111745028410270193852110555964462294895493
03819644288109756659334461284756482337867831652712019091456485669234603486104543266482133936072602
49141273724587006606315588174881520920962829254091715364367892590360011330530548820466521384146951
94151160943305727036575959195309218611738193261179310511854807446237996274956735188575272489122793
81830119491298336733624406566430860213949463952247371907021798609437027705392171762931767523846748
18467669405132000568127145263560827785771342757789609173637178721468440901224953430146549585371050
79227968925892354201995611212902196086403441815981362977477130996051870721134999999837297804995105
97317328160963185950244594553469083026425223082533446850352619311881710100031378387528865875332083
81420617177669147303598253490428755468731159562863882353787593751957781857780532171226806613001927
8766111959092164201989;

А дальше эта переменная идет в матоперации в SQL запрос для MySQL

Source: http://community.livejournal.com/code_wtf/59207.html