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run code in 300+ PHP versions simultaneously
<?php function reverse($string) { $substr1 = ""; $substr2 = ""; $strLength = strlen($string); $strLengthHalf =strlen($string) / 2; for ($i = 0; $i <= $strLengthHalf -$i; $i++) { var_dump($strLength-$i); var_dump($strLengthHalf - $i); $substr1 .= $string[$strLength-$i]; $substr2 .= $string[$strLengthHalf - $i]; } var_dump($substr1); var_dump($substr2); return $string = $substr1.$substr2; } var_dump(reverse('12345'));
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.27, 8.2.0 - 8.2.18, 8.3.0 - 8.3.4, 8.3.6
int(5) float(2.5) Warning: Uninitialized string offset 5 in /in/pTGD9 on line 10 Warning: String offset cast occurred in /in/pTGD9 on line 11 int(4) float(1.5) Warning: String offset cast occurred in /in/pTGD9 on line 11 string(1) "5" string(2) "32" string(3) "532"
Output for 8.3.5
Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0 int(5) float(2.5) Warning: Uninitialized string offset 5 in /in/pTGD9 on line 10 Warning: String offset cast occurred in /in/pTGD9 on line 11 int(4) float(1.5) Warning: String offset cast occurred in /in/pTGD9 on line 11 string(1) "5" string(2) "32" string(3) "532"
Output for 5.4.5 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 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
int(5) float(2.5) Notice: Uninitialized string offset: 5 in /in/pTGD9 on line 10 Notice: String offset cast occurred in /in/pTGD9 on line 11 int(4) float(1.5) Notice: String offset cast occurred in /in/pTGD9 on line 11 string(1) "5" string(2) "32" string(3) "532"
Output for 7.3.32 - 7.3.33
int(5) float(2.5) int(4) float(1.5) string(1) "5" string(2) "32" string(3) "532"
Output for 5.4.0 - 5.4.4
int(5) float(2.5) Notice: Uninitialized string offset: 5 in /in/pTGD9 on line 10 Notice: String offset cast occured in /in/pTGD9 on line 11 int(4) float(1.5) Notice: String offset cast occured in /in/pTGD9 on line 11 string(1) "5" string(2) "32" string(3) "532"
Output for 5.2.10 - 5.2.17, 5.3.0 - 5.3.29
int(5) float(2.5) Notice: Uninitialized string offset: 5 in /in/pTGD9 on line 10 int(4) float(1.5) string(1) "5" string(2) "32" string(3) "532"
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.9
int(5) float(2.5) Notice: Uninitialized string offset: 5 in /in/pTGD9 on line 10 int(4) float(1.5) string(1) "5" string(2) "32" string(3) "532"

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272.74 ms | 402 KiB | 458 Q