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<?php function array_chunk_vertical($data, $columns = 2) { $n = count($data) ; $per_column = floor($n / $columns) ; $rest = $n % $columns ; // The map $per_columns = array( ) ; for ( $i = 0 ; $i < $columns ; $i++ ) { $per_columns[$i] = $per_column + ($i < $rest ? 1 : 0) ; } $tabular = array( ) ; foreach ( $per_columns as $rows ) { for ( $i = 0 ; $i < $rows ; $i++ ) { $tabular[$i][ ] = array_shift($data) ; } } return $tabular ; } $cars = [ [ 'make' => 'Alfa Romeo', 'id' => 2 ], [ 'make' => 'Aston Martin', 'id' => 3 ], [ 'make' => 'Audi', 'id' => 4 ], [ 'make' => 'BMW', 'id' => 8 ], [ 'make' => 'Caterham', 'id' => 9 ], ]; echo '<table>'; foreach(array_chunk_vertical($cars,4) as $row) { echo '<tr>'; foreach($row as $car) { echo '<td><input type="checkbox" value="', $car['id'], '" />', $car['make'], '</td>'; } echo '</tr>'; } echo '</table>';
Output for 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.28, 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, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.4, 8.3.6
<table><tr><td><input type="checkbox" value="2" />Alfa Romeo</td><td><input type="checkbox" value="4" />Audi</td><td><input type="checkbox" value="8" />BMW</td><td><input type="checkbox" value="9" />Caterham</td></tr><tr><td><input type="checkbox" value="3" />Aston Martin</td></tr></table>
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 <table><tr><td><input type="checkbox" value="2" />Alfa Romeo</td><td><input type="checkbox" value="4" />Audi</td><td><input type="checkbox" value="8" />BMW</td><td><input type="checkbox" value="9" />Caterham</td></tr><tr><td><input type="checkbox" value="3" />Aston Martin</td></tr></table>
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29
Parse error: syntax error, unexpected '[' in /in/3pEBi on line 25
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, 5.0.0 - 5.0.5
Parse error: parse error, unexpected '[' in /in/3pEBi on line 25
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/3pEBi on line 25
Process exited with code 255.

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