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<?php $dates=[ '2017-02-28', // group1 '2017-03-01', // group1 '2017-04-03', // group2 '2017-04-04', // group2 '2017-04-06', // group3 '2017-04-08', // group4 '2017-04-09', // group4 '2017-04-10' // group4 ]; foreach($dates as $date){ if(!isset($grouped)){ // first group $i=0; // first group, index is zero }elseif($date!=date("Y-m-d",strtotime("$date_checker +1 day"))){ // if non-consecutive ++$i; // next group, index is incremented } $grouped[$i][]=$date_checker=$date; // store date as temporary date checker and into appropriate group } foreach($grouped as $group){ $result[]=current($group)." to ".end($group); } /* foreach($grouped as $group){ $result[current($group)." to ".end($group)]=$group; } */ var_export($result);
Output for 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 - 7.2.34, 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 - 8.2.19, 8.3.0 - 8.3.4, 8.3.6 - 8.3.7
array ( 0 => '2017-02-28 to 2017-03-01', 1 => '2017-04-03 to 2017-04-04', 2 => '2017-04-06 to 2017-04-06', 3 => '2017-04-08 to 2017-04-10', )
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 => '2017-02-28 to 2017-03-01', 1 => '2017-04-03 to 2017-04-04', 2 => '2017-04-06 to 2017-04-06', 3 => '2017-04-08 to 2017-04-10', )
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/i7UOb 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 '[' in /in/i7UOb on line 2
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/i7UOb on line 2
Process exited with code 255.
preferences:
238.21 ms | 401 KiB | 468 Q