$a = = $b equals TRUE If the $a equals $b.
$a = = = $b congruent TRUE if $a equals $b, and they are of the same type. (introduced in PHP 4)
$a! = $b unequal to TRUE if $a is not equal to $b.
$a <> $b Not equal to TRUE if $a is not equivalent to $b.
$
PHP, a nested abbreviated name, is an abbreviation for the English Super Text preprocessing language (Php:hypertext preprocessor). PHP is an HTML embedded language, PHP and Microsoft's ASP quite a bit similar, is a server-side implementation of
PHP Tutorial Configuration Chinese Narration
Let's see what you see, php.ini.
[PHP]
;;;;;;;;;;;; WARNING;;;;;;;;;;;;; This is the default settings file for new PHP installations.; By default, PHP installs itself with a configuration suitable for;
The two equals sign is the only one that determines whether the value is equal;The three equals sign is the judgment value is equal, and the judgment type is the same;Example:$str = "1";$num = 1;if ($str = = $num) {Print_r (' true ');}else{Print_r ('
Problem
What is PHP file? which software can be used to open
Workaround
PHP, a nested abbreviated name, is an abbreviation for the English Super Text preprocessing language (Php:hypertext preprocessor). PHP is an HTML embedded language, PHP and
PHP is a combination of 1 to 9 numbers equal to 20 of the method, the PHP permutation
This example describes how PHP can add 1 to 9 numbers equal to 20 by arranging combinations. Share to everyone for your reference. The implementation method is as
Require_once ' person.php ';Header ("Content-type:text/html;charset=utf-8");$person 001=new person ("Wuxifu", 110);$person 002=new person ("Wuxifu", 110);$person 003= $person 001;Congruent (= = =) Inference first to the same data type, the data type
Let's start with an example:For example, you'll get a function that returns these kinds of situations:
1, more than 0 of the number
2, less than 0 of the number
3, equals 0 of the number (that is, 0)
4, False (On Failure)
At this time if you want to
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