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<?php class Cat { public $name ; public $age ; public $color ; } $cat1 = new Cat(); //對類進行實例化/創建一個對象/實例化對象 三者說法同種意思 $cat1 ->name= "小白" ; $cat1 ->age=10; $cat1 ->color= "red" ; $FindCat = "小白" ; if ( $cat1 ->name== $FindCat ) { ECHO $FindCat . "存在" ; } ?> |
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<?php class Cat { public $name ; public $age ; public $color ; } $c =90; $cat1 = new Cat(); $cat1 ->name= "小白" ; $cat1 ->age=10; $cat1 ->color= "red" ; $cat2 = $cat1 ?> |
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<?php $a =9; $b = $a ; $b = $b +8; Echo $a . " " . $b ; ?> |
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<?php $a =9; $b =& $a ; $b = $b +8; Echo $a . " " . $b ; ?> |
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<?php Class Person { public $name ; Public $age ; } $p1 = new Person(); $p1 ->name= "小明" ; $p1 ->age=10; Function test1( $p ) { $p ->name= "小花" ; } Test1( $p1 ); Echo $p1 ->name; ?> |
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<?php $arr = array ( $a1 , $a2 ); $a1 = array (1,2,3); $a2 = array (4,5,6,7); foreach ( $arr as $k => $v ) { echo "$k=$v" ; } var_dump( $arr ); ?> |
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<?php $a1 = array (1,2,3); $a2 = array (4,5,6,7); $arr = array ( $a1 , $a2 ); foreach ( $arr as $k => $v ) { echo "$k=$v" ; } var_dump( $arr ); ?> |