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<?php function array2CSV(array $array) { $sanitized = array(); foreach ($array as $col) { $quote = false; if (preg_match('/[ \n\r\\\"]/')) { $quote = true; } $col = str_replace(array('\\', '"', "\n", "\r"), array('\/', '\"', '\n', '\r'), $col); if ($quote) { $col = "\"$col\""; } $sanitized[] = $col; } return implode(',', $sanitized); } echo array2CSV(array('test', 'te"t\est'));
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
Fatal error: Uncaught ArgumentCountError: preg_match() expects at least 2 arguments, 1 given in /in/0dEab:7 Stack trace: #0 /in/0dEab(7): preg_match('/[ \\n\\r\\\\"]/') #1 /in/0dEab(19): array2CSV(Array) #2 {main} thrown in /in/0dEab on line 7
Process exited with code 255.
Output for 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, 7.2.29 - 7.2.33, 7.3.12 - 7.3.33, 7.4.0 - 7.4.33
Warning: preg_match() expects at least 2 parameters, 1 given in /in/0dEab on line 7 Warning: preg_match() expects at least 2 parameters, 1 given in /in/0dEab on line 7 test,te\"t\/est
Output for 5.0.0 - 5.0.5
Parse error: parse error, unexpected T_ARRAY, expecting '&' or T_VARIABLE in /in/0dEab on line 3
Process exited with code 255.
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_ARRAY, expecting ')' in /in/0dEab on line 3
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1
Parse error: parse error, unexpected T_ARRAY, expecting ')' in /in/0dEab on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `')'' in /in/0dEab on line 3
Process exited with code 255.

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