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run code in 300+ PHP versions simultaneously
<?php function reverse($string) { $substr1 = ""; $substr2 = ""; $strLength = strlen($string); $strLengthHalf = round(strlen($string) / 2); var_dump($strLength); var_dump($strLengthHalf); for ($i = 0; $i < round(strlen($string)/ 2) - 1; $i++) { $substr1 .= $string[$strLength-$i]; $substr2 .= $string[round(strlen($string)/ 2) - $i]; } var_dump($substr1); var_dump($substr2); return $string = $substr1.$substr2; } var_dump(reverse('12345'));
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
int(5) float(3) Warning: Uninitialized string offset 5 in /in/PJWjj on line 10 Warning: String offset cast occurred in /in/PJWjj on line 11 Warning: String offset cast occurred in /in/PJWjj on line 11 string(1) "5" string(2) "43" string(3) "543"
Output for 5.4.5 - 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 - 7.3.31, 7.4.0 - 7.4.33
int(5) float(3) Notice: Uninitialized string offset: 5 in /in/PJWjj on line 10 Notice: String offset cast occurred in /in/PJWjj on line 11 Notice: String offset cast occurred in /in/PJWjj on line 11 string(1) "5" string(2) "43" string(3) "543"
Output for 7.3.32 - 7.3.33
int(5) float(3) string(1) "5" string(2) "43" string(3) "543"
Output for 5.4.0 - 5.4.4
int(5) float(3) Notice: Uninitialized string offset: 5 in /in/PJWjj on line 10 Notice: String offset cast occured in /in/PJWjj on line 11 Notice: String offset cast occured in /in/PJWjj on line 11 string(1) "5" string(2) "43" string(3) "543"
Output for 5.2.10 - 5.2.17, 5.3.0 - 5.3.29
int(5) float(3) Notice: Uninitialized string offset: 5 in /in/PJWjj on line 10 string(1) "5" string(2) "43" string(3) "543"
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(3) Notice: Uninitialized string offset: 5 in /in/PJWjj on line 10 string(1) "5" string(2) "43" string(3) "543"
preferences:
252.81 ms | 402 KiB | 343 Q