本文实例讲述了PHP实现C#山寨ArrayList的方法。分享给大家供大家参考。具体如下:
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class ArrayList { public $length ; public $name ; public $my_array ; function __construct() { $this ->my_array=Array(); } public function Add( $element ) { array_push ( $this ->my_array, $element ); } public function get_Length() { $this ->length= count ( $this ->my_array); return $this ->length; } public function get_Element( $key ) { if ( array_key_exists ( $key , $this ->my_array)) { echo $this ->my_array[ $key ]; } else { echo "没有这个元素" ; } } public function list_array() { foreach ( $this ->my_array as $value ) { echo $value ; echo "<br/>" ; } } public function Delete ( $key ) { if ( array_key_exists ( $key , $this ->my_array)) { $this ->my_array[ $key ]=null; } else { echo "没有这个元素" ; } } public function erase_number() { $pattern = "/[0-9]/" ; foreach ( $this ->my_array as $value ) { if ( eregi ( $pattern , $value )) { $value =null; } } foreach ( $this ->my_array as $value ) { echo $value ; echo "<br/>" ; } } public function erase_char() { $pattern = '/a-zA-Z/' ; for ( $i =0; $i < count ( $this ->my_array)-1; $i ++) { if ( eregi ( $pattern , $this ->my_array[ $i ])) { $this ->my_array[ $i ]=null; } } foreach ( $this ->my_array as $value ) { echo $value ; echo "<br/>" ; } } } |
希望本文所述对大家的php程序设计有所帮助。