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run code in 300+ PHP versions simultaneously
<?php $csv = <<<CSV key=a,key2=b,key3=c key=d,key2=e,key4=f,key3=g CSV; $header = []; $rows = []; foreach (explode(PHP_EOL, $csv) as $i => $line) { foreach (str_getcsv($line) as $pair) { [$key, $rows[$i][$key]] = explode('=', $pair, 2); $header[$key] = $key; } } sort($header); $defaults = array_fill_keys($header, 'null'); $result = [implode(',', $header)]; foreach ($rows as $row) { $result[] = implode(',', array_replace($defaults, $row)); } var_export($result);
Output for 8.4.1 - 8.4.14, 8.5.0
Deprecated: str_getcsv(): the $escape parameter must be provided as its default value will change in /in/ks42p on line 11 Deprecated: str_getcsv(): the $escape parameter must be provided as its default value will change in /in/ks42p on line 11 array ( 0 => 'key,key2,key3,key4', 1 => 'a,b,c,null', 2 => 'd,e,g,f', )
Output for 8.4.15
/bin/php-8.4.15: /usr/lib/libm.so.6: version `GLIBC_2.38' not found (required by /bin/php-8.4.15) /bin/php-8.4.15: /usr/lib/libm.so.6: version `GLIBC_2.35' not found (required by /bin/php-8.4.15) /bin/php-8.4.15: /usr/lib/libc.so.6: version `GLIBC_2.34' not found (required by /bin/php-8.4.15) /bin/php-8.4.15: /usr/lib/libc.so.6: version `GLIBC_2.38' not found (required by /bin/php-8.4.15)
Process exited with code 1.
Output for 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.28
array ( 0 => 'key,key2,key3,key4', 1 => 'a,b,c,null', 2 => 'd,e,g,f', )
preferences:
112.42 ms | 409 KiB | 5 Q