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What is the function of echo?

Anonymous

∙ 10y ago

Updated: 10/16/2024

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Q: What is the function of echo?

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What is the difference between echo and print and printf in PHP?

The print function is slightly more dynamic than the echo function by returning a value, and the echo function is slightly (very slightly) faster. The printf function inserts dynamic variables/whatever into wherever you want with special delimiters, such as %s, or %d. For example, printf('There is a difference between %s and %s', 'good', 'evil') would return 'There is a difference between good and evil'.

When you need to obtain the ASCII value of a character which function apply in PHP?

ord() is the function you need. echo ord(' '); Would output the number 32.

Can you call a function inside an echo statement in PHP?

Of course it is possible to call a PHP-function inside an echo statement. The function will be executed and returns a value. This value then is used in the echo statement. For example: echo "Ferengi-Rule #1: ", ferengi_rule(1), "\n"; echo "Random: ", ferengi_rule(0), "\n"; function ferengi_rule($number) { $rules = array( 1 => "Once you have their money, never give it back.", 2 => "You can't cheat an honest customer, but it never hurts to try.", 3 => "Never buy anything for more than is absolutely necessary.", 4 => "Sex and profit are the two things that never last long enough." // ... ); if( isset($rules[$number]) ) { return $rules[$number]; } else { return array_rand($rules); } }

How do you return a value in a PHP function?

Below is a simple example of how you could return a value in a PHP function. <?php function returnme($value) { return $value; } echo returnme('hello'); // outputs: hello ?>

How do you delay a PHP script?

To delay a script in seconds you would use the sleep() function as shown below: <?php echo "hello"; sleep(5); // delays the script for 5 seconds echo "finished"; ?>

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Related Questions

How do you echo the return value of a function?

echo function();

Why php Echo not printing output with parenthesis?

echo will not return output when using parenthesis because echo is not a function like print. echo is a language construct. The benefit to using echo over the print function is speed, plus you can separate data types using comma's rather than periods.Example:echo 'This is a string ' , $variable , ' ending string';is the same (but faster) as:print('This is a sting' . $variable . ' ending string');

Echo's password on my LEGO network?

Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo Echo

What is the difference between echo and print and printf in PHP?

The print function is slightly more dynamic than the echo function by returning a value, and the echo function is slightly (very slightly) faster. The printf function inserts dynamic variables/whatever into wherever you want with special delimiters, such as %s, or %d. For example, printf('There is a difference between %s and %s', 'good', 'evil') would return 'There is a difference between good and evil'.

What do you call the repetition of sound caused by the reflection of sound waves?

The repetition of sound caused by the reflection of sound waves is called an echo. It occurs when sound waves bounce off surfaces and return to the listener after a delay, creating a distinct repetition of the original sound.

When you need to obtain the ASCII value of a character which function apply in PHP?

ord() is the function you need. echo ord(' '); Would output the number 32.

What is difference between language constracter and function for exampal echo print in php language?

I think you mean language construct... Anyway, a function usually takes one or more arguments as comma separated values or variables. echo and print don't <?php $email = 'user@example.com'; $domain = strstr($email, '@'); echo $domain; // prints @example.com ?> Here the strstr function takes a variable string and a constant string as an argument. echo simply displays the contents of the resulting variable. There are a couple functions that don't require arguments, like die() & exit()

What part of speech is the word echo?

The word "echo" can function as a noun or a verb. It is a noun when referring to a sound that is reflected off a surface, and a verb when describing the act of sound being reflected back.

Can you call a function inside an echo statement in PHP?

Of course it is possible to call a PHP-function inside an echo statement. The function will be executed and returns a value. This value then is used in the echo statement. For example: echo "Ferengi-Rule #1: ", ferengi_rule(1), "\n"; echo "Random: ", ferengi_rule(0), "\n"; function ferengi_rule($number) { $rules = array( 1 => "Once you have their money, never give it back.", 2 => "You can't cheat an honest customer, but it never hurts to try.", 3 => "Never buy anything for more than is absolutely necessary.", 4 => "Sex and profit are the two things that never last long enough." // ... ); if( isset($rules[$number]) ) { return $rules[$number]; } else { return array_rand($rules); } }

How do you return a value in a PHP function?

Below is a simple example of how you could return a value in a PHP function. <?php function returnme($value) { return $value; } echo returnme('hello'); // outputs: hello ?>

How loud is an echo in the Grand Canyon?

Very loud! *ECHO* *ECHo* *ECho* *Echo* *echo*

How do you delay a PHP script?

To delay a script in seconds you would use the sleep() function as shown below: <?php echo "hello"; sleep(5); // delays the script for 5 seconds echo "finished"; ?>

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