3v4l.org

run code in 300+ PHP versions simultaneously
<?php function str_reverse($string) { if (! is_string ( $string )) { exit ( 'not string' ); } $length = strlen ( $string ); $str_array = str_split ( $string ); $str_reverse = ''; for($i = $length - 1; $i >= 0; $i --) { $str_reverse .= $str_array [$i]; } echo $str_reverse; } $str = 'abcdef ss '; echo str_reverse ( $str );
Output for 5.0.0 - 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, 5.5.0 - 5.5.38, 5.6.0 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.12 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
ss fedcba
Output for 4.4.5 - 4.4.9
Fatal error: Call to undefined function: str_split() in /in/FEZNJ on line 7
Process exited with code 255.
Output for 4.3.2 - 4.3.11, 4.4.0 - 4.4.4
Fatal error: Call to undefined function: str_split() in /in/FEZNJ on line 7
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Fatal error: Call to undefined function: str_split() in /in/FEZNJ on line 7
preferences:
224.05 ms | 401 KiB | 355 Q