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php Programming Glossary: comparisonsfinding common prefix of array of strings http://stackoverflow.com/questions/1336207/finding-common-prefix-of-array-of-strings until we succeed. so that we are doing the least number of comparisons to get a result Is there a formula algorithm out already out..
How to get the OS on which PHP is running? http://stackoverflow.com/questions/1482260/how-to-get-the-os-on-which-php-is-running Gives string 'Linux' length 5 You have some examples and comparisons with what the php_uname function can get you on the manual page..
Is “SET CHARACTER SET utf8” necessary? http://stackoverflow.com/questions/1566602/is-set-character-set-utf8-necessary _latin1 or _utf8 . collation_connection is important for comparisons of literal strings. For comparisons of strings with column values.. is important for comparisons of literal strings. For comparisons of strings with column values collation_connection does not..
PHP Type-Juggling and (strict) Greater/Lesser Than Comparisons http://stackoverflow.com/questions/15813490/php-type-juggling-and-strict-greater-lesser-than-comparisons hard time to find out basic logical fundamental things in comparisons. For example If a b is true and b c is true must it mean that.. strictly which I only knew in the past from the equality comparisons if it makes any difference if left and right operands are swapped..
Reference: all basic ways to sort arrays and data in PHP http://stackoverflow.com/questions/17364127/reference-all-basic-ways-to-sort-arrays-and-data-in-php bubble to the top of the list. Because it only uses comparisons to operate on elements it is a comparison sort. Although the.. developed by Tony Hoare that on average makes O n log n comparisons to sort n items. In the worst case it makes O n2 comparisons.. to sort n items. In the worst case it makes O n2 comparisons though this behavior is rare. function quickSort array array..
MySQL: keep server timezone or user timezone? http://stackoverflow.com/questions/1852223/mysql-keep-server-timezone-or-user-timezone fully consistent and you can perform some operations like comparisons without having to for each entry fetch the user_timezone column..
PHP script to execute at certain times http://stackoverflow.com/questions/1981036/php-script-to-execute-at-certain-times of your iframe. Update Additional times or types of comparisons could be specified via something like php hour date 'G' day..
http://stackoverflow.com/questions/2713566/warning-pdostatementexecute-sqlstatehy093-invalid-parameter-number-num It looks like you're trying to build a long series of 'or' comparisons if x 1 or x 2 or x 3 etc... . You may find it easier to replace..
What is the difference between single-quoted and double-quoted strings in PHP? http://stackoverflow.com/questions/3446216/what-is-the-difference-between-single-quoted-and-double-quoted-strings-in-php page has a single vs double quote comparison. Most of the comparisons are the same. There is one comparison where double quotes are..
make switch use === comparison not == comparison In PHP http://stackoverflow.com/questions/3525614/make-switch-use-comparison-not-comparison-in-php you'll have to come up with a work around. From the loose comparisons table you could make use of the fact that NULL 0 is false by..
CodeIgniter - why use xss_clean http://stackoverflow.com/questions/5337143/codeigniter-why-use-xss-clean
md5 hashing using password as salt? http://stackoverflow.com/questions/5482437/md5-hashing-using-password-as-salt hash calculation lets the attacker make several thousand comparisons. How you actually use the salt may depend on the encryption..
http://stackoverflow.com/questions/5694733/php-short-circuit-evaluation is lazy meaning it will do the minimum number of comparisons possible to evaluate conditions. If you want to verify that..
php looping through multiple arrays http://stackoverflow.com/questions/9171488/php-looping-through-multiple-arrays both of these arrays simultaneously so I can make simple comparisons. I looked at using a foreach loop but I can only process the.. this since I need both the keys and values to make the comparisons. does anyone have a solution to this problem I appreciate your.. I appreciate your time in advanced. to be specific on the comparisons i want to something to this extent if keyone keytwo valuetwo..
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