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run code in 150+ php & hhvm versions
Bugs & Features
<?php namespace namespacename { class classname { function __construct() { echo __NAMESPACE__,"\n"; } } function funcname() { echo __FUNCTION__,"\n"; } const constname = "namespaced"; } /////////////////////////// namespace { class classname { function __construct() { echo __NAMESPACE__,"\n"; } } function funcname() { echo __FUNCTION__,"\n"; } const constname = "global"; $a = 'classname'; $obj = new $a; // prints classname::__construct $b = 'funcname'; $b(); // prints funcname echo constant('constname'), "\n"; // prints global //////////////////////////// /* note that if using double quotes, "\\namespacename\\classname" must be used */ $a = '\namespacename\classname'; $obj = new $a; // prints namespacename\classname::__construct $a = 'namespacename\classname'; $obj = new $a; // also prints namespacename\classname::__construct $b = 'namespacename\funcname'; $b(); // prints namespacename\funcname $b = '\namespacename\funcname'; $b(); // also prints namespacename\funcname echo constant('\namespacename\constname'), "\n"; // prints namespaced echo constant('namespacename\constname'), "\n"; // also prints namespaced } ?>
Output for 5.3.0 - 7.1.0
funcname global namespacename namespacename namespacename\funcname namespacename\funcname namespaced namespaced
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.2.17
Parse error: syntax error, unexpected T_STRING in /in/kpiBm on line 2
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1, 5.0.0 - 5.0.5
Parse error: parse error, unexpected T_STRING in /in/kpiBm on line 2
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/kpiBm on line 2
Process exited with code 255.