What does php $ mean. Foreach (array (_ COOKIE, _ POST, _ GET) as $ _ request) {foreach ($ _ requestas $ _ key $ _ value) {$ _ key {0 }! _ $ _ Keydaddslashes ($ _ value) ;}}$ _ request is a PHP embedded change foreach (array ('_ cookies',' _ post ', '_ get') as $ _ request ){
Foreach ($ _ request as $ _ key => $ _ value ){
$ _ Key {0 }! = '_' & $ _ Key = daddslashes ($ _ value );
}
}
$ _ Request is a built-in variable of PHP, right? $ _ What does request mean?
PHP Super global variables are capitalized.
$ _ REQUEST
In the above code, $ _ request is a common variable.
$ _ Request indicates that the value of $ _ request is used as the variable name!
For example:
$ Name = 'blueidea ';
$ Name is equivalent to $ blueidea
Http://www.bkjia.com/PHPjc/632476.htmlwww.bkjia.comtruehttp://www.bkjia.com/PHPjc/632476.htmlTechArticleforeach (array ('_ cookies',' _ post', '_ get') as $ _ request) {foreach ($ _ request as $ _ key = $ _ value) {$ _ key {0 }! = '_' $ _ Key = daddslashes ($ _ value) ;}}$ _ request is a built-in PHP change...