PHP Array Exercises : Lower-case and upper-case, all elements in an array
PHP Array: Exercise-36 with Solution
Write a PHP script to lower-case and upper-case, all elements in an array.
Sample Solution:
PHP Code:
<?php
$colors = array( "Red", "Green", "Black", "White");
print_r($colors);
$lower_colors = array_map('strtolower', $colors);
print_r($lower_colors);
$upper_colors = array_map('strtoupper', $colors);
print_r($upper_colors);
?>
Sample Output:
Array ( [0] => Red [1] => Green [2] => Black [3] => White ) Array ( [0] => red [1] => green [2] => black [3] => white ) Array ( [0] => RED [1] => GREEN [2] => BLACK [3] => WHITE )
Flowchart:

PHP Code Editor:
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Previous: Write a PHP script to trim all the elements in an array using array_walk function.
Next: Write a PHP script to count the total number of times a specific value appears in an array.
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PHP: Tips of the Day
PHP: Where does PHP store the error log? (php5, apache, fastcgi, cpanel)
PHP stores error logs in /var/log/apache2 if PHP is an apache2 module. Shared hosts are often storing log files in your root directory /log subfolder. But...if you have access to a php.ini file you can do this:
error_log = /var/log/php-scripts.log
According to rinogo's comment: If you're using cPanel, the master log file you're probably looking for is stored (by default) at
/usr/local/apache/logs/error_log
If all else fails you can check the location of the log file using
<?php phpinfo(); ?>
Ref : https://bit.ly/2EffgH5
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