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<?php class test { protected $a = '1'; public function a() { print "2"; } public function b() { print $this->a; } public function a1() { static::a(); } public function b1() { static::b(); } } $t = new test(); $t->a(); $t->b(); $t->a1(); $t->b1(); $t::a(); $t::b(); $t::a1(); $t::b1();
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
2121 Fatal error: Uncaught Error: Non-static method test::a() cannot be called statically in /in/8ArS9:32 Stack trace: #0 {main} thrown in /in/8ArS9 on line 32
Process exited with code 255.
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.6 - 7.2.33, 7.3.16 - 7.3.31, 7.4.0 - 7.4.33
2121 Deprecated: Non-static method test::a() should not be called statically in /in/8ArS9 on line 32 2 Deprecated: Non-static method test::b() should not be called statically in /in/8ArS9 on line 33 Fatal error: Uncaught Error: Using $this when not in object context in /in/8ArS9:12 Stack trace: #0 /in/8ArS9(33): test::b() #1 {main} thrown in /in/8ArS9 on line 12
Process exited with code 255.
Output for 7.3.32 - 7.3.33
21212 Fatal error: Uncaught Error: Using $this when not in object context in /in/8ArS9:12 Stack trace: #0 /in/8ArS9(33): test::b() #1 {main} thrown in /in/8ArS9 on line 12
Process exited with code 255.
Output for 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.36, 5.6.0 - 5.6.28
2121 Strict Standards: Non-static method test::a() should not be called statically in /in/8ArS9 on line 32 2 Strict Standards: Non-static method test::b() should not be called statically in /in/8ArS9 on line 33 Fatal error: Using $this when not in object context in /in/8ArS9 on line 12
Process exited with code 255.
Output for 5.1.0 - 5.1.6, 5.2.0 - 5.2.17
Parse error: syntax error, unexpected T_PAAMAYIM_NEKUDOTAYIM, expecting T_VARIABLE in /in/8ArS9 on line 16
Process exited with code 255.
Output for 5.0.0 - 5.0.5
Parse error: parse error, unexpected T_PAAMAYIM_NEKUDOTAYIM, expecting T_VARIABLE in /in/8ArS9 on line 16
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/8ArS9 on line 5
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/8ArS9 on line 5
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/8ArS9 on line 5
Process exited with code 255.

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