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<?php function revert($str) { $revertStr = ''; foreach ($obtainStrList as $obtainStr) { $revertStr .= ' '; for ($i = 1; $i < mb_strlen($obtainStr) + 1; $i++) { $revertStr .= mb_substr($obtainStr, -$i, 1); } } return $revertStr; } //echo revert('Delivery Club, ZakaZaka'); var_dump(preg_match_all('/\w+/', $str, $obtainStrList));
Output for 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.4, 8.3.6
Warning: Undefined variable $str in /in/HSDn8 on line 19 Deprecated: preg_match_all(): Passing null to parameter #2 ($subject) of type string is deprecated in /in/HSDn8 on line 19 int(0)
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 Warning: Undefined variable $str in /in/HSDn8 on line 19 Deprecated: preg_match_all(): Passing null to parameter #2 ($subject) of type string is deprecated in /in/HSDn8 on line 19 int(0)
Output for 8.0.0 - 8.0.30
Warning: Undefined variable $str in /in/HSDn8 on line 19 int(0)
Output for 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.16 - 7.3.31, 7.4.0 - 7.4.33
Notice: Undefined variable: str in /in/HSDn8 on line 19 int(0)
Output for 7.3.32 - 7.3.33
int(0)
preferences:
169.14 ms | 401 KiB | 167 Q