@ 2018-04-08T16:06:33Z <?php
$string = 'a b';
$c1 = substr($string, 1, 1);
$c2 = mb_substr($string, 1, 1);
$c3 = iconv_substr($string, 1, 1);
var_dump($c1, $c2, $c3);
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Output for 7.1.0 - 7.1.25 , 7.2.0 - 7.2.33 , 7.3.0 - 7.3.31 , 7.4.0 - 7.4.32 , 8.0.0 - 8.0.12 , 8.0.14 - 8.0.30 , 8.1.0 - 8.1.33 , 8.2.0 - 8.2.29 , 8.3.0 - 8.3.25 , 8.4.1 - 8.4.12 string(1) " "
string(1) " "
string(1) " "
Output for 7.3.32 - 7.3.33 , 7.4.33 , 8.0.13 Fatal error: Uncaught Error: Call to undefined function iconv_substr() in /in/RQ8EM:6
Stack trace:
#0 {main}
thrown in /in/RQ8EM on line 6
Process exited with code 255 . preferences:dark mode live preview ace vim emacs key bindings
140.81 ms | 407 KiB | 5 Q