php函数var_dump,var_export,print_r的用法区别

3. Warning: fopen(slsl.txt) [function.fopen]: failed to open stream: No such file or directory in E:\mywww\yangtest\base1.php on line 6

4. array(6) { [0]=> int(1) [1]=> int(1) [2]=> int(32) [3]=> int(322) [4]=> int(3433) [5]=> array(3) { [0]=> int(32) [1]=> int(232) [2]=> int(23232) } }
5. int(1234)
6. string(11) "alsdfl;asdf"
7. string(1) "a"
8. bool(false)

9. array ( 0 => 1, 1 => 1, 2 => 32, 3 => 322, 4 => 3433, 5 => array ( 0 => 32, 1 => 232, 2 => 23232, ), )

10. 1234
11. 'alsdfl;asdf'
12. 'a'
13. false
15. Array ( [0] => 1 [1] => 1 [2] => 32 [3] => 322 [4] => 3433 [5] => Array ( [0] => 32 [1] => 232 [2] => 23232 ) )
16. 1234
17. alsdfl;asdf
18. a

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注意以上的输出，相信大家可以理解函数var_dump,var_export,print_r的区别了。 注意，最后一个不是贴出来，而是它本来就没有显示什么。 希望对大家有所帮助。