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<?php $citylist = array( "Black Canyon City", "Chandler", "Flagstaff", "Gilbert", "Glendale", "Globe", "Mesa", "Miami", "Phoenix", "Peoria", "Prescott", "Scottsdale", "Sun City", "Surprise", "Tempe", "Tucson", "Wickenburg" ); print_r( array_chunk($citylist, 3));
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.10, 7.2.0 - 7.2.33, 7.3.12 - 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 ( [0] => Array ( [0] => Black Canyon City [1] => Chandler [2] => Flagstaff ) [1] => Array ( [0] => Gilbert [1] => Glendale [2] => Globe ) [2] => Array ( [0] => Mesa [1] => Miami [2] => Phoenix ) [3] => Array ( [0] => Peoria [1] => Prescott [2] => Scottsdale ) [4] => Array ( [0] => Sun City [1] => Surprise [2] => Tempe ) [5] => Array ( [0] => Tucson [1] => Wickenburg ) )
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 ( [0] => Array ( [0] => Black Canyon City [1] => Chandler [2] => Flagstaff ) [1] => Array ( [0] => Gilbert [1] => Glendale [2] => Globe ) [2] => Array ( [0] => Mesa [1] => Miami [2] => Phoenix ) [3] => Array ( [0] => Peoria [1] => Prescott [2] => Scottsdale ) [4] => Array ( [0] => Sun City [1] => Surprise [2] => Tempe ) [5] => Array ( [0] => Tucson [1] => Wickenburg ) )

preferences:
218.6 ms | 403 KiB | 353 Q