3v4l.org

run code in 300+ PHP versions simultaneously
<?php function isCorrect($string) { if (strlen($string) % 2 === 0) { $start = 0; $string2; for( $i = $start; $i < strlen($string); $i++) { var_dump($string[6]); } return true; } return false; } $string = '({{}})'; isCorrect($string); //var_dump(isCorrect($string)); //var_dump(strlen($string) % 2); //assert(isCorrect('') === true); //assert(isCorrect('()') === true); //assert(isCorrect('{()}') === true); //assert(isCorrect('{()}{}') === true); //assert(isCorrect('(())') === true); //assert(isCorrect('{({({({()})})})}') === true); //assert(isCorrect('{(})') === false);
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
Warning: Uninitialized string offset 6 in /in/S9Uee on line 7 string(0) "" Warning: Uninitialized string offset 6 in /in/S9Uee on line 7 string(0) "" Warning: Uninitialized string offset 6 in /in/S9Uee on line 7 string(0) "" Warning: Uninitialized string offset 6 in /in/S9Uee on line 7 string(0) "" Warning: Uninitialized string offset 6 in /in/S9Uee on line 7 string(0) "" Warning: Uninitialized string offset 6 in /in/S9Uee on line 7 string(0) ""
Output for 5.2.10 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 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
Notice: Uninitialized string offset: 6 in /in/S9Uee on line 7 string(0) "" Notice: Uninitialized string offset: 6 in /in/S9Uee on line 7 string(0) "" Notice: Uninitialized string offset: 6 in /in/S9Uee on line 7 string(0) "" Notice: Uninitialized string offset: 6 in /in/S9Uee on line 7 string(0) "" Notice: Uninitialized string offset: 6 in /in/S9Uee on line 7 string(0) "" Notice: Uninitialized string offset: 6 in /in/S9Uee on line 7 string(0) ""
Output for 7.3.32 - 7.3.33
string(0) "" string(0) "" string(0) "" string(0) "" string(0) "" string(0) ""
Output for 5.1.1 - 5.1.6, 5.2.0 - 5.2.9
Notice: Uninitialized string offset: 6 in /in/S9Uee on line 7 string(0) "" Notice: Uninitialized string offset: 6 in /in/S9Uee on line 7 string(0) "" Notice: Uninitialized string offset: 6 in /in/S9Uee on line 7 string(0) "" Notice: Uninitialized string offset: 6 in /in/S9Uee on line 7 string(0) "" Notice: Uninitialized string offset: 6 in /in/S9Uee on line 7 string(0) "" Notice: Uninitialized string offset: 6 in /in/S9Uee on line 7 string(0) ""
Output for 5.1.0
Fatal error: fatal flex scanner internal error--end of buffer missed in /in/S9Uee on line 24
Process exited with code 255.
Output for 5.0.4 - 5.0.5
Notice: Undefined variable: string2 in /in/S9Uee on line 5 Notice: Uninitialized string offset: 6 in /in/S9Uee on line 7 string(0) "" Notice: Uninitialized string offset: 6 in /in/S9Uee on line 7 string(0) "" Notice: Uninitialized string offset: 6 in /in/S9Uee on line 7 string(0) "" Notice: Uninitialized string offset: 6 in /in/S9Uee on line 7 string(0) "" Notice: Uninitialized string offset: 6 in /in/S9Uee on line 7 string(0) "" Notice: Uninitialized string offset: 6 in /in/S9Uee on line 7 string(0) ""
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.3
Notice: Undefined variable: string2 in /in/S9Uee on line 5 Notice: Uninitialized string offset: 6 in /in/S9Uee on line 7 string(0) "" Notice: Uninitialized string offset: 6 in /in/S9Uee on line 7 string(0) "" Notice: Uninitialized string offset: 6 in /in/S9Uee on line 7 string(0) "" Notice: Uninitialized string offset: 6 in /in/S9Uee on line 7 string(0) "" Notice: Uninitialized string offset: 6 in /in/S9Uee on line 7 string(0) "" Notice: Uninitialized string offset: 6 in /in/S9Uee on line 7 string(0) ""
preferences:
192.38 ms | 403 KiB | 343 Q