3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php error_reporting(E_ALL); $tests = array(); //$test_string = html_entity_decode('&#xAC00;&zwnj;&#xAC00;', ENT_COMPAT, 'UTF-8'); $uchar = mb_convert_encoding('&#' . intval(8204) . ';', 'UTF-32', 'HTML-ENTITIES'); $tests['string_length'] = (mb_strlen($uchar, 'UTF-8') === 1); $tests['string_match'] = (preg_match('/^\X$/u', $uchar) === 1); $fails = array(); foreach ($tests as $key => $value) { if ($value === false) { $fails[$key] = $value; } } if (count($fails) > 0) { echo "Failed: " . join(', ', array_keys($fails)) . PHP_EOL; exit(1); } exit(0);
Output for 4.4.0 - 4.4.9, 5.0.5 - 5.6.21, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0RC5
Failed: string_length, string_match
Process exited with code 1.
Output for 4.3.11, 5.0.2 - 5.0.4
Warning: preg_match(): Compilation failed: PCRE does not support \L, \l, \N, \P, \p, \U, \u, or \X at offset 2 in /in/t6KVj on line 9 Failed: string_length, string_match
Process exited with code 1.
Output for 5.0.0 - 5.0.1
Warning: preg_match(): Compilation failed: PCRE does not support \L, \l, \N, \P, \p, \U, \u, or \X at offset 2 in /in/t6KVj on line 9 Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/t6KVj on line 19 Failed: string_length, string_matchPHP_EOL
Process exited with code 1.
Output for 4.3.10

Process exited with code 139.
Output for 4.3.0 - 4.3.9
Warning: Compilation failed: PCRE does not support \L, \l, \N, \P, \p, \U, \u, or \X at offset 2 in /in/t6KVj on line 9 Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/t6KVj on line 19 Failed: string_length, string_matchPHP_EOL
Process exited with code 1.