<?php
class demo{
public static $demo = "static.demo";
public static function mydemo(){
echo "static.mydemo";
}
}
$a = new demo();
echo $a::$demo;//版本的问题吧php 5.2.17报错
$demo::$demo;
static.demo
Warning: Undefined variable $demo in /in/dl2vc on line 11
Fatal error: Uncaught Error: Class name must be a valid object or a string in /in/dl2vc:11
Stack trace:
#0 {main}
thrown in /in/dl2vc on line 11
Process exited with code 255.
static.demo
Notice: Undefined variable: demo in /in/dl2vc on line 11
Fatal error: Uncaught Error: Class name must be a valid object or a string in /in/dl2vc:11
Stack trace:
#0 {main}
thrown in /in/dl2vc on line 11
Process exited with code 255.
Output for 7.3.32 - 7.3.33, 7.4.26
static.demo
Fatal error: Uncaught Error: Class name must be a valid object or a string in /in/dl2vc:11
Stack trace:
#0 {main}
thrown in /in/dl2vc on line 11
Process exited with code 255.
static.demo
Notice: Undefined variable: demo in /in/dl2vc on line 11
Fatal error: Class name must be a valid object or a string in /in/dl2vc on line 11
Process exited with code 255.
Output for 5.1.0 - 5.1.6, 5.2.0 - 5.2.17
Parse error: syntax error, unexpected T_PAAMAYIM_NEKUDOTAYIM, expecting ',' or ';' in /in/dl2vc on line 10
Process exited with code 255.
Output for 5.0.0 - 5.0.5
Parse error: parse error, unexpected T_PAAMAYIM_NEKUDOTAYIM, expecting ',' or ';' in /in/dl2vc on line 10
Process exited with code 255.
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_STRING, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/dl2vc on line 3
Process exited with code 255.
Parse error: parse error, unexpected T_STRING, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/dl2vc on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `T_OLD_FUNCTION' or `T_FUNCTION' or `T_VAR' or `'}'' in /in/dl2vc on line 3
Process exited with code 255.