exec() vs system() vs passthru() exec — Execute an external program passthru — Execute an external program and display raw output
Reference – What does this symbol mean in PHP?
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How do we check with PHP if directory exists – Both would return true on Unix systems – in Unix is a file, including directories
php shell_exec() vs exec() With exec(), you can pass an optional param variable which will receive an array of output lines.
array_map: (PHP 4 >= 4.0.6, PHP 5, PHP 7) array_map — Applies the callback to the elements of the given arrays Description: [ad type=”banner”] array_map() returns an array containing all…
PROBLEM: When debugging in PHP, we frequently find it useful to simply stick a var_dump() in our code to show me what a variable is, what its value is, and…
new self: self points to the class in which it is written. self refers to the same class in which the new keyword is actually written. New static static, in…
Double and Triple equals operator in PHP A double = sign is a comparison and tests whether the variable / expression / constant to the left has the same value…
PHP define() Function Definition and Usage: The define() function defines a constant. Constants are much like variables, except for the following differences: A constant’s value cannot be changed after it…
[Solved- 7 Answers] PHP – How to expire a PHP session after 30 minutes?-We need to keep a session alive for 30 minutes and then destroy it