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<?php class SimDB { private static $count = 0; public static function mysqli_fetch_array($result) { if (self::$count < 10) { self::$count++; return "Row" . self::$count; } else { return false; } } public static function reset() { self::$count = 0; } } $result1 = ""; // This is simulated, so not an actual result set resource while ($row1 = SimDB::mysqli_fetch_array($result1)); echo "Value of \$row1 => $row1\n\n"; echo "Actually store all the results\n"; SimDB::reset(); while ($row1[] = SimDB::mysqli_fetch_array($result1)); var_dump($row1); echo "\n\n How you would actually use a while() loop\n\n"; SimDB::reset(); while ($row = SimDB::mysqli_fetch_array($result1)) { echo "Row = $row\n"; }
Output for 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.4, 8.3.6
Value of $row1 => Actually store all the results Deprecated: Automatic conversion of false to array is deprecated in /in/Z3Q3i on line 29 array(11) { [0]=> string(4) "Row1" [1]=> string(4) "Row2" [2]=> string(4) "Row3" [3]=> string(4) "Row4" [4]=> string(4) "Row5" [5]=> string(4) "Row6" [6]=> string(4) "Row7" [7]=> string(4) "Row8" [8]=> string(4) "Row9" [9]=> string(5) "Row10" [10]=> bool(false) } How you would actually use a while() loop Row = Row1 Row = Row2 Row = Row3 Row = Row4 Row = Row5 Row = Row6 Row = Row7 Row = Row8 Row = Row9 Row = Row10
Output for 8.3.5
Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0 Value of $row1 => Actually store all the results Deprecated: Automatic conversion of false to array is deprecated in /in/Z3Q3i on line 29 array(11) { [0]=> string(4) "Row1" [1]=> string(4) "Row2" [2]=> string(4) "Row3" [3]=> string(4) "Row4" [4]=> string(4) "Row5" [5]=> string(4) "Row6" [6]=> string(4) "Row7" [7]=> string(4) "Row8" [8]=> string(4) "Row9" [9]=> string(5) "Row10" [10]=> bool(false) } How you would actually use a while() loop Row = Row1 Row = Row2 Row = Row3 Row = Row4 Row = Row5 Row = Row6 Row = Row7 Row = Row8 Row = Row9 Row = Row10
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.25, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30
Value of $row1 => Actually store all the results array(11) { [0]=> string(4) "Row1" [1]=> string(4) "Row2" [2]=> string(4) "Row3" [3]=> string(4) "Row4" [4]=> string(4) "Row5" [5]=> string(4) "Row6" [6]=> string(4) "Row7" [7]=> string(4) "Row8" [8]=> string(4) "Row9" [9]=> string(5) "Row10" [10]=> bool(false) } How you would actually use a while() loop Row = Row1 Row = Row2 Row = Row3 Row = Row4 Row = Row5 Row = Row6 Row = Row7 Row = Row8 Row = Row9 Row = Row10
preferences:
155.32 ms | 403 KiB | 187 Q