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<?php define("MAXSIZE", 100); //echo eval("MAXSIZE"); echo constant("MAXSIZE"); class T { public $a; public $b; } $obj = new T(); $cls = get_class($obj); $vars = get_class_vars($cls); //ๅ˜้‡ๅˆ—่กจ var_dump($vars); $str = '{"a":"pa","b":"pb"}'; $obj = json_decode($str,false); //$obj is stdclass $cls = get_class($obj); $vars = get_object_vars($obj); var_dump($vars); function ubb($matche) { if($matche[1]=='img' or $matche[1]=='IMG') return "<img src='".$matche[2]."'/>"; } $img = "img:[img]/sdfcs/sdfsdf/sdfsdf.jpg[/img],[url]http://www.oschina.net/[/url]"; $imghtml=preg_replace_callback("/\[(.*)\](.*)\[\/\g{1}\]/U",ubb,$img); echo $imghtml;
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
100array(2) { ["a"]=> NULL ["b"]=> NULL } array(2) { ["a"]=> string(2) "pa" ["b"]=> string(2) "pb" } Fatal error: Uncaught Error: Undefined constant "ubb" in /in/ZL6JX:36 Stack trace: #0 {main} thrown in /in/ZL6JX on line 36
Process exited with code 255.
Output for 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33
100array(2) { ["a"]=> NULL ["b"]=> NULL } array(2) { ["a"]=> string(2) "pa" ["b"]=> string(2) "pb" } Warning: Use of undefined constant ubb - assumed 'ubb' (this will throw an Error in a future version of PHP) in /in/ZL6JX on line 36 img:<img src='/sdfcs/sdfsdf/sdfsdf.jpg'/>,
Output for 5.2.2 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.33
100array(2) { ["a"]=> NULL ["b"]=> NULL } array(2) { ["a"]=> string(2) "pa" ["b"]=> string(2) "pb" } Notice: Use of undefined constant ubb - assumed 'ubb' in /in/ZL6JX on line 36 img:<img src='/sdfcs/sdfsdf/sdfsdf.jpg'/>,
Output for 5.2.0 - 5.2.1
100array(2) { ["a"]=> NULL ["b"]=> NULL } array(2) { ["a"]=> string(2) "pa" ["b"]=> string(2) "pb" } Notice: Use of undefined constant ubb - assumed 'ubb' in /in/ZL6JX on line 36 img:[img]/sdfcs/sdfsdf/sdfsdf.jpg[/img],[url]http://www.oschina.net/[/url]
Output for 5.0.0 - 5.0.5, 5.1.0 - 5.1.6
100array(2) { ["a"]=> NULL ["b"]=> NULL } Fatal error: Call to undefined function json_decode() in /in/ZL6JX on line 23
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/ZL6JX on line 9
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1
Parse error: parse error, unexpected T_STRING, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/ZL6JX on line 9
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/ZL6JX on line 9
Process exited with code 255.

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