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<?php class class1 { function class1() { error_log("Constuctor of class1"); } } class class2 extends class1 { } class class3 extends class2 { } class class4_working extends class3 { function class4_working() { parent::__construct(); } } class class4_notworking extends class3 { function class4_notworking() { parent::class2(); } } error_log("working"); $c = new class4_working(); error_log("notworking"); $c = new class4_notworking();
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.34, 8.2.0 - 8.2.30, 8.3.0 - 8.3.30, 8.4.1 - 8.4.14, 8.4.16 - 8.4.18, 8.5.0 - 8.5.3
working notworking
Output for 8.4.15
/bin/php-8.4.15: /usr/lib/libm.so.6: version `GLIBC_2.38' not found (required by /bin/php-8.4.15) /bin/php-8.4.15: /usr/lib/libm.so.6: version `GLIBC_2.35' not found (required by /bin/php-8.4.15) /bin/php-8.4.15: /usr/lib/libc.so.6: version `GLIBC_2.34' not found (required by /bin/php-8.4.15) /bin/php-8.4.15: /usr/lib/libc.so.6: version `GLIBC_2.38' not found (required by /bin/php-8.4.15)
Process exited with code 1.
Output for 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.31, 7.4.0 - 7.4.33
Deprecated: Methods with the same name as their class will not be constructors in a future version of PHP; class1 has a deprecated constructor in /in/Y2KOX on line 2 Deprecated: Methods with the same name as their class will not be constructors in a future version of PHP; class4_working has a deprecated constructor in /in/Y2KOX on line 14 Deprecated: Methods with the same name as their class will not be constructors in a future version of PHP; class4_notworking has a deprecated constructor in /in/Y2KOX on line 20 Fatal error: Uncaught Error: Call to undefined method class3::class2() in /in/Y2KOX:22 Stack trace: #0 /in/Y2KOX(29): class4_notworking->class4_notworking() #1 {main} thrown in /in/Y2KOX on line 22 working Constuctor of class1 notworking
Process exited with code 255.
Output for 7.3.32 - 7.3.33
Fatal error: Uncaught Error: Call to undefined method class3::class2() in /in/Y2KOX:22 Stack trace: #0 /in/Y2KOX(29): class4_notworking->class4_notworking() #1 {main} thrown in /in/Y2KOX on line 22 working Constuctor of class1 notworking
Process exited with code 255.
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
Fatal error: Call to undefined method class3::class2() in /in/Y2KOX on line 22 working Constuctor of class1 notworking
Process exited with code 255.
Output for 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17
working Constuctor of class1 notworking Constuctor of class1
Output for 4.4.5 - 4.4.9
Fatal error: Call to undefined method: class4_working->__construct() in /in/Y2KOX on line 16 working
Process exited with code 255.
Output for 4.3.2 - 4.3.11, 4.4.0 - 4.4.4
Fatal error: Call to undefined function: __construct() in /in/Y2KOX on line 16 working
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Fatal error: Call to undefined function: __construct() in /in/Y2KOX on line 16 working
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