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run code in 300+ PHP versions simultaneously
<?php $x = 1; if($x == 1){$y = 1;} if($x == 2){$z = 1;} if($x == 3){$y=1;$z = 1;} if(isset($y)){ function a(){echo 'a-123';} }else{echo '不能执行喵~';} if(isset($z)){ function b($a0){echo $a0.'b-2333';} }else{echo '不能执行喵~';} a(); echo '<hr>'; b(rr);
Output for 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 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
不能执行喵~a-123<hr> Fatal error: Uncaught Error: Call to undefined function b() in /in/FHmk2:16 Stack trace: #0 {main} thrown in /in/FHmk2 on line 16
Process exited with code 255.
Output for 5.5.0 - 5.5.38, 5.6.0 - 5.6.40
不能执行喵~a-123<hr> Fatal error: Call to undefined function b() in /in/FHmk2 on line 16
Process exited with code 255.

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