3v4l.org

run code in 500+ PHP versions simultaneously
<?php $string = 'A10-53 c'; var_export( array_map( function($char) { if (ctype_alpha($char)) { return 'letter'; } elseif (ctype_digit($char)) { return 'number'; } elseif (ctype_space($char)) { return 'space'; } return 'symbol'; }, str_split($string) ) );
Output for 7.2.0 - 7.2.34, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.34, 8.2.0 - 8.2.30, 8.3.0 - 8.3.31, 8.4.1 - 8.4.22, 8.5.0 - 8.5.7
array ( 0 => 'letter', 1 => 'number', 2 => 'number', 3 => 'symbol', 4 => 'number', 5 => 'number', 6 => 'space', 7 => 'letter', )
preferences:
54.66 ms | 1589 KiB | 4 Q