Why triggers are used in mysql?
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What is difference between php and wordpress?
If the variable $var1 is set to 10 and the $var2 is set to the character var1, what's the value of $$var2?
Is rent a variable cost?
Where to put php files in apache server?
What are the difference between array_keys() and array_key_exists() in php?
Tell me what is htaccess?
Explain about image types in detail?
Create a PHP web script with the following attributes: on start, three HTML form elements are shown: an string input field, a checkbox field, a dropdown/pull down list with 5 elements and a submit button. On submission, the form should be redisplayed (while remaining all options/inputs as the user has selected/entered them). Additionally, the selections/inputs of the user should be displayed in text. Please solve this without the use of any external libraries.
What is htmlentities function in php?
How is the comparison of objects done in php?
What is $row in php?
What is the use of the function 'imagetypes()'?