3v4l.org

run code in 300+ PHP versions simultaneously
<?php class First { public function test1() { echo get_called_class(); } public function test2() { print_r(debug_backtrace()); } public function test3() { echo get_class($this); } public function test4() { echo __CLASS__; } public static function test5() { echo get_called_class(); } } function class_alias_kinda($original, $alias) { eval("class $alias extends $original {}"); } class_alias_kinda('First', 'Second'); $aliased = new Second(); $aliased->test1(); // Second $aliased->test2(); // array( 0 => array( ... [object] => Second Object, ... ) ) $aliased->test3(); // Second $aliased->test4(); // First (this is expected) Second::test5(); // Second
Output for 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
SecondArray ( [0] => Array ( [file] => /in/vfYn2 [line] => 18 [function] => test2 [class] => First [object] => Second Object ( ) [type] => -> [args] => Array ( ) ) ) SecondFirstSecond
Output for 5.2.3 - 5.2.17
Fatal error: Call to undefined function get_called_class() in /in/vfYn2 on line 4
Process exited with code 255.
Output for 5.0.0 - 5.0.5, 5.1.1 - 5.1.6, 5.2.0 - 5.2.2
<br /> <b>Fatal error</b>: Call to undefined function get_called_class() in <b>/in/vfYn2</b> on line <b>4</b><br />
Process exited with code 255.
Output for 5.1.0
<br /> <b>Fatal error</b>: fatal flex scanner internal error--end of buffer missed in <b>/in/vfYn2</b> on line <b>21</b><br />
Process exited with code 255.
Output for 4.4.2 - 4.4.9
<br /> <b>Parse error</b>: syntax error, unexpected T_STRING, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in <b>/in/vfYn2</b> on line <b>4</b><br />
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
<br /> <b>Parse error</b>: parse error, unexpected T_STRING, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in <b>/in/vfYn2</b> on line <b>4</b><br />
Process exited with code 255.
Output for 4.3.2 - 4.3.4
<br /> <b>Parse error</b>: parse error, expecting `T_OLD_FUNCTION' or `T_FUNCTION' or `T_VAR' or `'}'' in <b>/in/vfYn2</b> on line <b>4</b><br />
Process exited with code 255.
preferences:
368.11 ms | 402 KiB | 460 Q