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run code in 200+ php & hhvm versions
Bugs & Features
<?php class T1 { public static $data; public static function getDataBySelf() { return self::$data; } public static function getDataByStatic() { return static::$data; } } class T2 extends T1 {} $Prop1 = new ReflectionProperty(T1::class, 'data'); $Prop2 = new ReflectionProperty(T2::class, 'data'); // #1 // prints: hello, hello in PHP5, but world, hello in PHP7 - not OK $Prop1->setValue(\T1::class, "world"); $Prop2->setValue(\T2::class, 'hello'); // #2 // prints: hello, hello in both PHP5 and PHP7 - OK //T1::$data = "world"; //T2::$data = 'hello'; var_dump("T2::self = " . T2::getDataBySelf()); var_dump("T2::static = " . T2::getDataByStatic());
based on APFC9
Output for 5.5.24 - 5.6.28, 7.0.1 - 7.2.0
string(16) "T2::self = hello" string(18) "T2::static = hello"
Output for 7.0.0
string(16) "T2::self = world" string(18) "T2::static = hello"
Output for 5.4.10 - 5.4.45
Parse error: syntax error, unexpected 'class' (T_CLASS), expecting identifier (T_STRING) or variable (T_VARIABLE) or '{' or '$' in /in/ioaEe on line 18
Process exited with code 255.
Output for 5.3.20 - 5.3.29
Parse error: syntax error, unexpected T_CLASS, expecting T_STRING or T_VARIABLE or '$' in /in/ioaEe on line 18
Process exited with code 255.