3v4l.org

run code in 300+ PHP versions simultaneously
<?php if(version_compare(PHP_VERSION, "5.0.0", "<")) { eval("class BaseItem { } class BaseCollection { function test(BaseItem $base) { } }"); eval("class RealItem { } class RealCollection extends BaseCollection { function test(RealItem $real) { } }"); }
Output for 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.7 - 5.6.28, 7.0.0 - 7.0.20, 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
Output for 4.4.2 - 4.4.9
Notice: Undefined variable: base in /in/KjFD8 on line 4 Parse error: syntax error, unexpected T_STRING, expecting ')' in /in/KjFD8(4) : eval()'d code on line 1 Notice: Undefined variable: real in /in/KjFD8 on line 5 Parse error: syntax error, unexpected T_STRING, expecting ')' in /in/KjFD8(5) : eval()'d code on line 1
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
Notice: Undefined variable: base in /in/KjFD8 on line 4 Parse error: parse error, unexpected T_STRING, expecting ')' in /in/KjFD8(4) : eval()'d code on line 1 Notice: Undefined variable: real in /in/KjFD8 on line 5 Parse error: parse error, unexpected T_STRING, expecting ')' in /in/KjFD8(5) : eval()'d code on line 1
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Notice: Undefined variable: base in /in/KjFD8 on line 4 Parse error: parse error, expecting `')'' in /in/KjFD8(4) : eval()'d code on line 1 Notice: Undefined variable: real in /in/KjFD8 on line 5 Parse error: parse error, expecting `')'' in /in/KjFD8(5) : eval()'d code on line 1
Process exited with code 255.

preferences:
206.12 ms | 402 KiB | 357 Q