3v4l.org

run code in 300+ PHP versions simultaneously
<?php const ID_INDEX = 0; const NAME_INDEX = 1; $sections = array(array(1, 'Section 1'), array(2, 'Section B'), array(3, 'Just section')); $rubriques = array(array(1, 'Rubiq'), array(2, 'Rubrique'), array(3, 'Ruby')); $categories = array(array(1, 'Category A'), array(2, 'Category B'), array(3, 'Category C')); $output = array(); foreach($sections as $section) { $output[$section[NAME_INDEX]] = array($section[ID_INDEX]); foreach($rubriques as $rubrique) { $output[$section[NAME_INDEX]][$rubrique[NAME_INDEX]] = array($rubrique[ID_INDEX]); foreach($categories as $category) { $output[$section[NAME_INDEX]][$rubrique[NAME_INDEX]][$category[NAME_INDEX]][] = $category[ID_INDEX]; } } } var_dump($output);
Output for 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 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
array(3) { ["Section 1"]=> array(4) { [0]=> int(1) ["Rubiq"]=> array(4) { [0]=> int(1) ["Category A"]=> array(1) { [0]=> int(1) } ["Category B"]=> array(1) { [0]=> int(2) } ["Category C"]=> array(1) { [0]=> int(3) } } ["Rubrique"]=> array(4) { [0]=> int(2) ["Category A"]=> array(1) { [0]=> int(1) } ["Category B"]=> array(1) { [0]=> int(2) } ["Category C"]=> array(1) { [0]=> int(3) } } ["Ruby"]=> array(4) { [0]=> int(3) ["Category A"]=> array(1) { [0]=> int(1) } ["Category B"]=> array(1) { [0]=> int(2) } ["Category C"]=> array(1) { [0]=> int(3) } } } ["Section B"]=> array(4) { [0]=> int(2) ["Rubiq"]=> array(4) { [0]=> int(1) ["Category A"]=> array(1) { [0]=> int(1) } ["Category B"]=> array(1) { [0]=> int(2) } ["Category C"]=> array(1) { [0]=> int(3) } } ["Rubrique"]=> array(4) { [0]=> int(2) ["Category A"]=> array(1) { [0]=> int(1) } ["Category B"]=> array(1) { [0]=> int(2) } ["Category C"]=> array(1) { [0]=> int(3) } } ["Ruby"]=> array(4) { [0]=> int(3) ["Category A"]=> array(1) { [0]=> int(1) } ["Category B"]=> array(1) { [0]=> int(2) } ["Category C"]=> array(1) { [0]=> int(3) } } } ["Just section"]=> array(4) { [0]=> int(3) ["Rubiq"]=> array(4) { [0]=> int(1) ["Category A"]=> array(1) { [0]=> int(1) } ["Category B"]=> array(1) { [0]=> int(2) } ["Category C"]=> array(1) { [0]=> int(3) } } ["Rubrique"]=> array(4) { [0]=> int(2) ["Category A"]=> array(1) { [0]=> int(1) } ["Category B"]=> array(1) { [0]=> int(2) } ["Category C"]=> array(1) { [0]=> int(3) } } ["Ruby"]=> array(4) { [0]=> int(3) ["Category A"]=> array(1) { [0]=> int(1) } ["Category B"]=> array(1) { [0]=> int(2) } ["Category C"]=> array(1) { [0]=> int(3) } } } }
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 array(3) { ["Section 1"]=> array(4) { [0]=> int(1) ["Rubiq"]=> array(4) { [0]=> int(1) ["Category A"]=> array(1) { [0]=> int(1) } ["Category B"]=> array(1) { [0]=> int(2) } ["Category C"]=> array(1) { [0]=> int(3) } } ["Rubrique"]=> array(4) { [0]=> int(2) ["Category A"]=> array(1) { [0]=> int(1) } ["Category B"]=> array(1) { [0]=> int(2) } ["Category C"]=> array(1) { [0]=> int(3) } } ["Ruby"]=> array(4) { [0]=> int(3) ["Category A"]=> array(1) { [0]=> int(1) } ["Category B"]=> array(1) { [0]=> int(2) } ["Category C"]=> array(1) { [0]=> int(3) } } } ["Section B"]=> array(4) { [0]=> int(2) ["Rubiq"]=> array(4) { [0]=> int(1) ["Category A"]=> array(1) { [0]=> int(1) } ["Category B"]=> array(1) { [0]=> int(2) } ["Category C"]=> array(1) { [0]=> int(3) } } ["Rubrique"]=> array(4) { [0]=> int(2) ["Category A"]=> array(1) { [0]=> int(1) } ["Category B"]=> array(1) { [0]=> int(2) } ["Category C"]=> array(1) { [0]=> int(3) } } ["Ruby"]=> array(4) { [0]=> int(3) ["Category A"]=> array(1) { [0]=> int(1) } ["Category B"]=> array(1) { [0]=> int(2) } ["Category C"]=> array(1) { [0]=> int(3) } } } ["Just section"]=> array(4) { [0]=> int(3) ["Rubiq"]=> array(4) { [0]=> int(1) ["Category A"]=> array(1) { [0]=> int(1) } ["Category B"]=> array(1) { [0]=> int(2) } ["Category C"]=> array(1) { [0]=> int(3) } } ["Rubrique"]=> array(4) { [0]=> int(2) ["Category A"]=> array(1) { [0]=> int(1) } ["Category B"]=> array(1) { [0]=> int(2) } ["Category C"]=> array(1) { [0]=> int(3) } } ["Ruby"]=> array(4) { [0]=> int(3) ["Category A"]=> array(1) { [0]=> int(1) } ["Category B"]=> array(1) { [0]=> int(2) } ["Category C"]=> array(1) { [0]=> int(3) } } } }
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17
Parse error: syntax error, unexpected T_CONST in /in/ou6rb on line 2
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 T_CONST in /in/ou6rb on line 2
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/ou6rb on line 2
Process exited with code 255.

preferences:
336.16 ms | 401 KiB | 459 Q