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[Solved] What does $$ (dollar dollar or double dollar) mean in PHP?

[Solved] What does the mean of dot (.) in PHP?

[Solved] What does the mean of increment ++$a, $a++, --$a and $a-- operators in PHP?

[Solved] What does Heredoc in PHP?

[Solved] What does this ~ operator mean here?

[Solved] What does the spaceship operator mean in PHP?

[Solved] What is the sign greater than less than in PHP

[Solved] How do the PHP comparison operators =, == , ===, !=, !== differ?

[Solved] What does right shift and left shift operator in PHP?

[Solved] How does the bitwise operator XOR ('^') work?

[Solved] What does associative array mean in PHP?

[Solved] What do two colons (::) mean in PHP?

[Solved] What does “:” mean in PHP?

[Solved] Null coalescing operator (??) in PHP

[Solved] What are the PHP operators “?” and “:” called and what do they do?

[Solved] What is the use of the @ symbol in PHP?

[Solved] Single (!) and Double not (!!) operator in PHP

[Solved] What does the percent sign (%) mean in PHP?

[Solved] Difference between [ && and AND ] and [ || and OR ] in PHP

[Solved] Send email from localhost/WAMP Server using SENDMAIL

[Solved] [Part -1] How to send mail in php from localhost

[Solved]Difference between & and && in PHP

[Solved] What do the “=&” and “&=” operators in PHP mean?

[SOLVED] How to extract zip file in php?

[Solved] [Part -2] How to send mail in php from localhost

[SOLVED] Sort array in PHP

[SOLVED] How to convert date from dd-mm-yyyy to yyyy-mm-dd in php

[SOLVED] How to make HTML input tag only accept numeric values

[SOLVED] How can we parse HTML or XML in PHP

[SOLVED] How to fix “Headers already sent” error in PHP