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Ieșirea PHP - Print, Echo
PHP permite două metode de trimitere a rezultatelor pe ecran. Unul se numește print, celălalt echo. Deși oferă aceeași funcționalitate, echo este o construcție (va fi tratată ca o comandă), iar print este o expresie (va fi evaluată și va returna o valoare). Când folosim print sau echo în PHP, ambele pot fi folosite ca niște constructe (apelate fără paranteză după ele, ca și cum ar fi o comandă)…
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PHP video tutorial 08 - PHP echo construct
PHP print Statement
PHP print Statement
The print statement can be used with or without parentheses: print or print().
Display Text
The following example shows how to output text with the print command (notice that the text can contain HTML markup):
Example
<?php print “<h2>PHP is Fun!</h2>”; print “Hello world!<br>”; print “I’m about to learn PHP!”; ?>
Output:
PHP is Fun!
Hello world! I’m about to learn PHP!
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PHP Echo / Print
Difference between PHP echo() and PHP print()?
Echo and Print are almost same both are used to display the output but there is minor difference between these two is that :
Echo is more faster than print.
PHP print() has a return value , whereas PHP echo() has a void return type.
PHP echo() and PHP print() both are different. print() return value on the other hand echo() not return any value.
Echo is a constructor and Print is a function.
In PHP, echo is not a function but a language construct, whereas print is not a function but a language construct. However, it behaves like a function in that it returns a value.
One of the most important difference in between these : Echo can take multiple values whereas print cannot, it take only one parameter.
We take a example it became easy for you to understand this.
Firstly taking a example of php echo in php:
<html><head>
<title> echo program</title>
</head>
<body>
<?php
echo’cascading’,’style’,’sheet'; //one or more strings
?>
</body>
</html>
Output will be:
cascadingstylesheet
Now we take a Example of print:
<html><head>
<title> print program</title>
</head>
<body>
<?phpprint ‘cascading’,’style’,’sheet';?>
</body> </html>
Output will be:
Parse error
: syntax error, unexpected ‘,’ on line number 7, because print only display one string.
Now we take again print Example having one string:
<html><head>
<title>print program</title>
</head>
<body>
<
?php
<>print ‘name';//one or more strings
?>
</body>
</html>
Output will be:
name
