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run code in 300+ PHP versions simultaneously
<?php $show = array( 'mon' => false, 'tue' => false, 'wed' => false, 'thu' => false, 'fri' => false, 'sat' => false, 'sun' => false ); $key = array_keys($show); foreach (range(0,6) as $index) { $key = $keys[$index]; $show[$index] |= true; // in your case |= isset($post[$index]); } var_dump($show);
Output for 8.3.0 - 8.3.4, 8.3.6
Warning: Undefined variable $keys in /in/VG90j on line 16 Warning: Trying to access array offset on null in /in/VG90j on line 16 Warning: Undefined array key 0 in /in/VG90j on line 17 Warning: Undefined variable $keys in /in/VG90j on line 16 Warning: Trying to access array offset on null in /in/VG90j on line 16 Warning: Undefined array key 1 in /in/VG90j on line 17 Warning: Undefined variable $keys in /in/VG90j on line 16 Warning: Trying to access array offset on null in /in/VG90j on line 16 Warning: Undefined array key 2 in /in/VG90j on line 17 Warning: Undefined variable $keys in /in/VG90j on line 16 Warning: Trying to access array offset on null in /in/VG90j on line 16 Warning: Undefined array key 3 in /in/VG90j on line 17 Warning: Undefined variable $keys in /in/VG90j on line 16 Warning: Trying to access array offset on null in /in/VG90j on line 16 Warning: Undefined array key 4 in /in/VG90j on line 17 Warning: Undefined variable $keys in /in/VG90j on line 16 Warning: Trying to access array offset on null in /in/VG90j on line 16 Warning: Undefined array key 5 in /in/VG90j on line 17 Warning: Undefined variable $keys in /in/VG90j on line 16 Warning: Trying to access array offset on null in /in/VG90j on line 16 Warning: Undefined array key 6 in /in/VG90j on line 17 array(14) { ["mon"]=> bool(false) ["tue"]=> bool(false) ["wed"]=> bool(false) ["thu"]=> bool(false) ["fri"]=> bool(false) ["sat"]=> bool(false) ["sun"]=> bool(false) [0]=> int(1) [1]=> int(1) [2]=> int(1) [3]=> int(1) [4]=> int(1) [5]=> int(1) [6]=> int(1) }
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 Warning: Undefined variable $keys in /in/VG90j on line 16 Warning: Trying to access array offset on null in /in/VG90j on line 16 Warning: Undefined array key 0 in /in/VG90j on line 17 Warning: Undefined variable $keys in /in/VG90j on line 16 Warning: Trying to access array offset on null in /in/VG90j on line 16 Warning: Undefined array key 1 in /in/VG90j on line 17 Warning: Undefined variable $keys in /in/VG90j on line 16 Warning: Trying to access array offset on null in /in/VG90j on line 16 Warning: Undefined array key 2 in /in/VG90j on line 17 Warning: Undefined variable $keys in /in/VG90j on line 16 Warning: Trying to access array offset on null in /in/VG90j on line 16 Warning: Undefined array key 3 in /in/VG90j on line 17 Warning: Undefined variable $keys in /in/VG90j on line 16 Warning: Trying to access array offset on null in /in/VG90j on line 16 Warning: Undefined array key 4 in /in/VG90j on line 17 Warning: Undefined variable $keys in /in/VG90j on line 16 Warning: Trying to access array offset on null in /in/VG90j on line 16 Warning: Undefined array key 5 in /in/VG90j on line 17 Warning: Undefined variable $keys in /in/VG90j on line 16 Warning: Trying to access array offset on null in /in/VG90j on line 16 Warning: Undefined array key 6 in /in/VG90j on line 17 array(14) { ["mon"]=> bool(false) ["tue"]=> bool(false) ["wed"]=> bool(false) ["thu"]=> bool(false) ["fri"]=> bool(false) ["sat"]=> bool(false) ["sun"]=> bool(false) [0]=> int(1) [1]=> int(1) [2]=> int(1) [3]=> int(1) [4]=> int(1) [5]=> int(1) [6]=> int(1) }
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18
Warning: Undefined variable $keys in /in/VG90j on line 16 Warning: Trying to access array offset on value of type null in /in/VG90j on line 16 Warning: Undefined array key 0 in /in/VG90j on line 17 Warning: Undefined variable $keys in /in/VG90j on line 16 Warning: Trying to access array offset on value of type null in /in/VG90j on line 16 Warning: Undefined array key 1 in /in/VG90j on line 17 Warning: Undefined variable $keys in /in/VG90j on line 16 Warning: Trying to access array offset on value of type null in /in/VG90j on line 16 Warning: Undefined array key 2 in /in/VG90j on line 17 Warning: Undefined variable $keys in /in/VG90j on line 16 Warning: Trying to access array offset on value of type null in /in/VG90j on line 16 Warning: Undefined array key 3 in /in/VG90j on line 17 Warning: Undefined variable $keys in /in/VG90j on line 16 Warning: Trying to access array offset on value of type null in /in/VG90j on line 16 Warning: Undefined array key 4 in /in/VG90j on line 17 Warning: Undefined variable $keys in /in/VG90j on line 16 Warning: Trying to access array offset on value of type null in /in/VG90j on line 16 Warning: Undefined array key 5 in /in/VG90j on line 17 Warning: Undefined variable $keys in /in/VG90j on line 16 Warning: Trying to access array offset on value of type null in /in/VG90j on line 16 Warning: Undefined array key 6 in /in/VG90j on line 17 array(14) { ["mon"]=> bool(false) ["tue"]=> bool(false) ["wed"]=> bool(false) ["thu"]=> bool(false) ["fri"]=> bool(false) ["sat"]=> bool(false) ["sun"]=> bool(false) [0]=> int(1) [1]=> int(1) [2]=> int(1) [3]=> int(1) [4]=> int(1) [5]=> int(1) [6]=> int(1) }
Output for 7.4.0 - 7.4.33
Notice: Undefined variable: keys in /in/VG90j on line 16 Notice: Trying to access array offset on value of type null in /in/VG90j on line 16 Notice: Undefined offset: 0 in /in/VG90j on line 17 Notice: Undefined variable: keys in /in/VG90j on line 16 Notice: Trying to access array offset on value of type null in /in/VG90j on line 16 Notice: Undefined offset: 1 in /in/VG90j on line 17 Notice: Undefined variable: keys in /in/VG90j on line 16 Notice: Trying to access array offset on value of type null in /in/VG90j on line 16 Notice: Undefined offset: 2 in /in/VG90j on line 17 Notice: Undefined variable: keys in /in/VG90j on line 16 Notice: Trying to access array offset on value of type null in /in/VG90j on line 16 Notice: Undefined offset: 3 in /in/VG90j on line 17 Notice: Undefined variable: keys in /in/VG90j on line 16 Notice: Trying to access array offset on value of type null in /in/VG90j on line 16 Notice: Undefined offset: 4 in /in/VG90j on line 17 Notice: Undefined variable: keys in /in/VG90j on line 16 Notice: Trying to access array offset on value of type null in /in/VG90j on line 16 Notice: Undefined offset: 5 in /in/VG90j on line 17 Notice: Undefined variable: keys in /in/VG90j on line 16 Notice: Trying to access array offset on value of type null in /in/VG90j on line 16 Notice: Undefined offset: 6 in /in/VG90j on line 17 array(14) { ["mon"]=> bool(false) ["tue"]=> bool(false) ["wed"]=> bool(false) ["thu"]=> bool(false) ["fri"]=> bool(false) ["sat"]=> bool(false) ["sun"]=> bool(false) [0]=> int(1) [1]=> int(1) [2]=> int(1) [3]=> int(1) [4]=> int(1) [5]=> int(1) [6]=> int(1) }
Output for 7.3.32 - 7.3.33
array(14) { ["mon"]=> bool(false) ["tue"]=> bool(false) ["wed"]=> bool(false) ["thu"]=> bool(false) ["fri"]=> bool(false) ["sat"]=> bool(false) ["sun"]=> bool(false) [0]=> int(1) [1]=> int(1) [2]=> int(1) [3]=> int(1) [4]=> int(1) [5]=> int(1) [6]=> int(1) }
Output for 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.31
Notice: Undefined variable: keys in /in/VG90j on line 16 Notice: Undefined offset: 0 in /in/VG90j on line 17 Notice: Undefined variable: keys in /in/VG90j on line 16 Notice: Undefined offset: 1 in /in/VG90j on line 17 Notice: Undefined variable: keys in /in/VG90j on line 16 Notice: Undefined offset: 2 in /in/VG90j on line 17 Notice: Undefined variable: keys in /in/VG90j on line 16 Notice: Undefined offset: 3 in /in/VG90j on line 17 Notice: Undefined variable: keys in /in/VG90j on line 16 Notice: Undefined offset: 4 in /in/VG90j on line 17 Notice: Undefined variable: keys in /in/VG90j on line 16 Notice: Undefined offset: 5 in /in/VG90j on line 17 Notice: Undefined variable: keys in /in/VG90j on line 16 Notice: Undefined offset: 6 in /in/VG90j on line 17 array(14) { ["mon"]=> bool(false) ["tue"]=> bool(false) ["wed"]=> bool(false) ["thu"]=> bool(false) ["fri"]=> bool(false) ["sat"]=> bool(false) ["sun"]=> bool(false) [0]=> int(1) [1]=> int(1) [2]=> int(1) [3]=> int(1) [4]=> int(1) [5]=> int(1) [6]=> int(1) }
Output for 5.0.4 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17
Notice: Undefined variable: keys in /in/VG90j on line 16 Notice: Undefined offset: 0 in /in/VG90j on line 17 Notice: Undefined variable: keys in /in/VG90j on line 16 Notice: Undefined offset: 1 in /in/VG90j on line 17 Notice: Undefined variable: keys in /in/VG90j on line 16 Notice: Undefined offset: 2 in /in/VG90j on line 17 Notice: Undefined variable: keys in /in/VG90j on line 16 Notice: Undefined offset: 3 in /in/VG90j on line 17 Notice: Undefined variable: keys in /in/VG90j on line 16 Notice: Undefined offset: 4 in /in/VG90j on line 17 Notice: Undefined variable: keys in /in/VG90j on line 16 Notice: Undefined offset: 5 in /in/VG90j on line 17 Notice: Undefined variable: keys in /in/VG90j on line 16 Notice: Undefined offset: 6 in /in/VG90j on line 17 array(14) { ["mon"]=> bool(false) ["tue"]=> bool(false) ["wed"]=> bool(false) ["thu"]=> bool(false) ["fri"]=> bool(false) ["sat"]=> bool(false) ["sun"]=> bool(false) [0]=> int(1) [1]=> int(1) [2]=> int(1) [3]=> int(1) [4]=> int(1) [5]=> int(1) [6]=> int(1) }
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.3
Notice: Undefined variable: keys in /in/VG90j on line 16 Notice: Undefined offset: 0 in /in/VG90j on line 17 Notice: Undefined variable: keys in /in/VG90j on line 16 Notice: Undefined offset: 1 in /in/VG90j on line 17 Notice: Undefined variable: keys in /in/VG90j on line 16 Notice: Undefined offset: 2 in /in/VG90j on line 17 Notice: Undefined variable: keys in /in/VG90j on line 16 Notice: Undefined offset: 3 in /in/VG90j on line 17 Notice: Undefined variable: keys in /in/VG90j on line 16 Notice: Undefined offset: 4 in /in/VG90j on line 17 Notice: Undefined variable: keys in /in/VG90j on line 16 Notice: Undefined offset: 5 in /in/VG90j on line 17 Notice: Undefined variable: keys in /in/VG90j on line 16 Notice: Undefined offset: 6 in /in/VG90j on line 17 array(14) { ["mon"]=> bool(false) ["tue"]=> bool(false) ["wed"]=> bool(false) ["thu"]=> bool(false) ["fri"]=> bool(false) ["sat"]=> bool(false) ["sun"]=> bool(false) [0]=> int(1) [1]=> int(1) [2]=> int(1) [3]=> int(1) [4]=> int(1) [5]=> int(1) [6]=> int(1) }
preferences:
258.94 ms | 404 KiB | 401 Q