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run code in 150+ php & hhvm versions
Bugs & Features
<?php error_reporting(E_ALL); $tests = array(); $test_string = mb_convert_encoding('&#xAC00;&#xAC01;', 'UTF-8', 'HTML-ENTITIES'); $tests['string_length'] = (mb_strlen($test_string, 'UTF-8') === 2); $tests['string_match'] = (preg_match('/^\X+$/u', $test_string) === 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 - 7.1.0
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/pjYLC on line 8 Failed: 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/pjYLC on line 8 Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/pjYLC on line 18 Failed: string_matchPHP_EOL
Process exited with code 1.
Output for 4.3.10
Warning: Compilation failed: PCRE does not support \L, \l, \N, \P, \p, \U, \u, or \X at offset 2 in /in/pjYLC on line 8 Failed: string_match
Process exited with code 1.
Output for 4.3.0 - 4.3.7, 4.3.9
Warning: Compilation failed: PCRE does not support \L, \l, \N, \P, \p, \U, \u, or \X at offset 2 in /in/pjYLC on line 8 Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/pjYLC on line 18 Failed: string_matchPHP_EOL
Process exited with code 1.
Output for 4.3.8

Process exited with code 139.