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<?php echo "<pre>"; $A = "µPhysik I~1µ"; $Ar = explode("µµ", substr($A, 2, -2)); print_r($Ar); $A = count($Ar) > 0 ? "µ".implode("µµ", $Ar)."µ" : ""; print_r($A); $Ar = explode("µµ", substr($A, 2, -2)); print_r($Ar); print_r(explode("~", $Ar[0])); $A = count($Arrr) > 0 ? "µ".implode("µµ", $Arrr)."µ" : ""; print_r($A); echo "</pre>";
Output for 8.0.10 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
<pre>Array ( [0] => Physik I~1 ) µPhysik I~1µArray ( [0] => Physik I~1 ) Array ( [0] => Physik I [1] => 1 ) Warning: Undefined variable $Arrr in /in/pLs25 on line 11 Fatal error: Uncaught TypeError: count(): Argument #1 ($value) must be of type Countable|array, null given in /in/pLs25:11 Stack trace: #0 {main} thrown in /in/pLs25 on line 11
Process exited with code 255.
Output for 8.0.0 - 8.0.9
<pre>Array ( [0] => Physik I~1 ) µPhysik I~1µArray ( [0] => Physik I~1 ) Array ( [0] => Physik I [1] => 1 ) Warning: Undefined variable $Arrr in /in/pLs25 on line 11 Fatal error: Uncaught TypeError: count(): Argument #1 ($var) must be of type Countable|array, null given in /in/pLs25:11 Stack trace: #0 {main} thrown in /in/pLs25 on line 11
Process exited with code 255.
Output for 7.2.0 - 7.2.33, 7.3.0 - 7.3.31, 7.4.0 - 7.4.33
<pre>Array ( [0] => Physik I~1 ) µPhysik I~1µArray ( [0] => Physik I~1 ) Array ( [0] => Physik I [1] => 1 ) Notice: Undefined variable: Arrr in /in/pLs25 on line 11 Warning: count(): Parameter must be an array or an object that implements Countable in /in/pLs25 on line 11 </pre>
Output for 7.3.32 - 7.3.33
<pre>Array ( [0] => Physik I~1 ) µPhysik I~1µArray ( [0] => Physik I~1 ) Array ( [0] => Physik I [1] => 1 ) Warning: count(): Parameter must be an array or an object that implements Countable in /in/pLs25 on line 11 </pre>
Output for 5.0.4 - 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, 5.6.8 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.33
<pre>Array ( [0] => Physik I~1 ) µPhysik I~1µArray ( [0] => Physik I~1 ) Array ( [0] => Physik I [1] => 1 ) Notice: Undefined variable: Arrr in /in/pLs25 on line 11 </pre>
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.3
<pre>Array ( [0] => Physik I~1 ) µPhysik I~1µArray ( [0] => Physik I~1 ) Array ( [0] => Physik I [1] => 1 ) Notice: Undefined variable: Arrr in /in/pLs25 on line 11 </pre>

preferences:
231.4 ms | 402 KiB | 355 Q