3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $whitespace = array( "\u0009" => 'character tab', "\u000a" => 'line feed', "\u000b" => 'line tab', "\u000c" => 'form feed', "\u000d" => 'carriage return', "\u0020" => 'space', "\u0085" => 'next line', "\u00A0" => 'non-breaking space', "\u1680" => 'ogham space', "\u2000" => 'en quad', "\u2001" => 'em quad', "\u2002" => 'en space', "\u2003" => 'em space', "\u2004" => 'three-per-em space', "\u2005" => 'four-per-em space', "\u2006" => 'six-per-em space', "\u2007" => 'figure space', "\u2008" => 'punctuation space', "\u2009" => 'thin space', "\u200a" => 'hair space', "\u2028" => 'line separator', "\u2029" => 'paragraph separator', "\u202f" => 'narrow non-breaking space', "\u205f" => 'medium mathematical space', "\u3000" => 'ideographic space' ); $db = new mysqli('localhost', 'root', '', 'crm_local'); foreach ($whitespace as $char => $name) { $dec = json_decode('"'.$char.'"'); $test = "a{$dec}b"; $test = preg_replace('/\s+/', '', $test); //echo "$name: a{$char}b == $test\n"; if ($test != "ab") { echo "$char ($name) is not matched as whitespace\n"; } $ret = $db->query("SELECT 1 FROM $dec crm_tab LIMIT 1"); if ($ret && $ret->num_rows) { echo "$char ($name) works in query!\n"; } }
Output for 7.0.0 - 7.1.0
Fatal error: Uncaught Error: Class 'mysqli' not found in /in/dmdDT:30 Stack trace: #0 {main} thrown in /in/dmdDT on line 30
Process exited with code 255.
Output for hhvm-3.12.0
Warning: mysql_connect(): Can't connect to local MySQL server through socket '/run/mysqld/mysqld.sock' (2) Warning: invalid object or resource mysqli Warning: invalid object or resource mysqli Warning: invalid object or resource mysqli Warning: invalid object or resource mysqli Warning: invalid object or resource mysqli Warning: invalid object or resource mysqli \u0085 (next line) is not matched as whitespace Warning: invalid object or resource mysqli \u00A0 (non-breaking space) is not matched as whitespace Warning: invalid object or resource mysqli \u1680 (ogham space) is not matched as whitespace Warning: invalid object or resource mysqli \u2000 (en quad) is not matched as whitespace Warning: invalid object or resource mysqli \u2001 (em quad) is not matched as whitespace Warning: invalid object or resource mysqli \u2002 (en space) is not matched as whitespace Warning: invalid object or resource mysqli \u2003 (em space) is not matched as whitespace Warning: invalid object or resource mysqli \u2004 (three-per-em space) is not matched as whitespace Warning: invalid object or resource mysqli \u2005 (four-per-em space) is not matched as whitespace Warning: invalid object or resource mysqli \u2006 (six-per-em space) is not matched as whitespace \u2007 (figure space) is not matched as whitespace \u2008 (punctuation space) is not matched as whitespace \u2009 (thin space) is not matched as whitespace \u200a (hair space) is not matched as whitespace \u2028 (line separator) is not matched as whitespace \u2029 (paragraph separator) is not matched as whitespace \u202f (narrow non-breaking space) is not matched as whitespace \u205f (medium mathematical space) is not matched as whitespace \u3000 (ideographic space) is not matched as whitespace
Output for hhvm-3.10.0

Process exited with code 153.
Output for 5.0.0 - 5.6.28
Fatal error: Class 'mysqli' not found in /in/dmdDT on line 30
Process exited with code 255.
Output for 4.3.2 - 4.4.9
Fatal error: Cannot instantiate non-existent class: mysqli in /in/dmdDT on line 30
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Fatal error: Cannot instantiate non-existent class: mysqli in /in/dmdDT on line 30