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<?php $n = "c"; foreach($n as $letter) { echo $letter; } var_dump($n);
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: foreach() argument must be of type array|object, string given in /in/ISAa8 on line 5 string(1) "c"
Output for 4.3.0 - 4.3.10, 4.4.0 - 4.4.9, 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, 5.5.24 - 5.5.35, 5.6.7 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.16 - 7.3.33, 7.4.0 - 7.4.33
Warning: Invalid argument supplied for foreach() in /in/ISAa8 on line 5 string(1) "c"
Output for 4.3.11
string(1) "c"
preferences:
234.4 ms | 401 KiB | 314 Q