How are echo and print different in PHP

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Possible Duplicate    Reference  Comparing PHP  39 s print and echo       Is there any major and fundamental difference between these two functions in PHP

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To add to the answers above  while print can only take one parameter  it will allow for concatenation of multiple values  ie    count   5   print  This is      count     values in      count 5     parameter     This is 5 values in 1 parameter

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They are     print only takes one parameter  while echo can have multiple parameters   print returns a value  1   so can be used as an expression   echo is slightly faster

User · Answer

To add to the answers above  while print can only take one parameter  it will allow for concatenation of multiple values  ie    count   5   print  This is      count     values in      count 5     parameter     This is 5 values in 1 parameter

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They are     print only takes one parameter  while echo can have multiple parameters   print returns a value  1   so can be used as an expression   echo is slightly faster

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As the PHP net manual suggests  take a read of this discussion   One major difference is that echo can take multiple parameters to output  E g    echo  foo    bar        Concatenates the 2 strings print  foo    bar       Fatal error   If you re looking to evaluate the outcome of an output statement  as below  use print  If not  use echo    res   print  test    var dump  res     bool true

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From  http   web archive org web 20090221144611 http   faqts com knowledge base view phtml aid 1 fid 40   Speed   There is a difference between the two  but speed-wise it should be irrelevant which one you use   echo is marginally faster  since it doesn t set a return value if you really want to get down to the nitty gritty    Expression  print   behaves like a function in that you can do    ret   print  Hello World   And  ret will be 1   That means that print can be used as part of a more complex expression where echo cannot   An example from the PHP Manual     b   print  true    print  false     print is also part of the precedence table which it needs to be if it  is to be used within a complex expression  It is just about at the bottom of the precedence list though   Only   AND OR XOR are lower    Parameter s    The grammar is  echo expression    expression   expression        But echo   expression  expression   is not valid   This would be valid  echo   howdy     partner    the same as  echo  howdy   partner    Putting the brackets in that simple example  serves no purpose since there is no operator precedence issue with a single term like that     So  echo without parentheses can take multiple parameters  which get concatenated      echo   and a    1  2  3       comma-separated without parentheses    echo   and a 123              just one parameter with parentheses   print   can only take one parameter      print   and a 123       print   and a 123

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I think print   is slower than echo   I like to use print   only for situations like    echo  Doing some stuff        foo   and print  ok  n   or print  error      getError        n

User · Answer

They are     print only takes one parameter  while echo can have multiple parameters   print returns a value  1   so can be used as an expression   echo is slightly faster

User · Answer

As the PHP net manual suggests  take a read of this discussion   One major difference is that echo can take multiple parameters to output  E g    echo  foo    bar        Concatenates the 2 strings print  foo    bar       Fatal error   If you re looking to evaluate the outcome of an output statement  as below  use print  If not  use echo    res   print  test    var dump  res     bool true

User · Answer

They are     print only takes one parameter  while echo can have multiple parameters   print returns a value  1   so can be used as an expression   echo is slightly faster

User · Answer

As the PHP net manual suggests  take a read of this discussion   One major difference is that echo can take multiple parameters to output  E g    echo  foo    bar        Concatenates the 2 strings print  foo    bar       Fatal error   If you re looking to evaluate the outcome of an output statement  as below  use print  If not  use echo    res   print  test    var dump  res     bool true

User · Answer

To add to the answers above  while print can only take one parameter  it will allow for concatenation of multiple values  ie    count   5   print  This is      count     values in      count 5     parameter     This is 5 values in 1 parameter

User · Answer

To add to the answers above  while print can only take one parameter  it will allow for concatenation of multiple values  ie    count   5   print  This is      count     values in      count 5     parameter     This is 5 values in 1 parameter

User · Answer

From  http   web archive org web 20090221144611 http   faqts com knowledge base view phtml aid 1 fid 40   Speed   There is a difference between the two  but speed-wise it should be irrelevant which one you use   echo is marginally faster  since it doesn t set a return value if you really want to get down to the nitty gritty    Expression  print   behaves like a function in that you can do    ret   print  Hello World   And  ret will be 1   That means that print can be used as part of a more complex expression where echo cannot   An example from the PHP Manual     b   print  true    print  false     print is also part of the precedence table which it needs to be if it  is to be used within a complex expression  It is just about at the bottom of the precedence list though   Only   AND OR XOR are lower    Parameter s    The grammar is  echo expression    expression   expression        But echo   expression  expression   is not valid   This would be valid  echo   howdy     partner    the same as  echo  howdy   partner    Putting the brackets in that simple example  serves no purpose since there is no operator precedence issue with a single term like that     So  echo without parentheses can take multiple parameters  which get concatenated      echo   and a    1  2  3       comma-separated without parentheses    echo   and a 123              just one parameter with parentheses   print   can only take one parameter      print   and a 123       print   and a 123

User · Answer

From  http   web archive org web 20090221144611 http   faqts com knowledge base view phtml aid 1 fid 40   Speed   There is a difference between the two  but speed-wise it should be irrelevant which one you use   echo is marginally faster  since it doesn t set a return value if you really want to get down to the nitty gritty    Expression  print   behaves like a function in that you can do    ret   print  Hello World   And  ret will be 1   That means that print can be used as part of a more complex expression where echo cannot   An example from the PHP Manual     b   print  true    print  false     print is also part of the precedence table which it needs to be if it  is to be used within a complex expression  It is just about at the bottom of the precedence list though   Only   AND OR XOR are lower    Parameter s    The grammar is  echo expression    expression   expression        But echo   expression  expression   is not valid   This would be valid  echo   howdy     partner    the same as  echo  howdy   partner    Putting the brackets in that simple example  serves no purpose since there is no operator precedence issue with a single term like that     So  echo without parentheses can take multiple parameters  which get concatenated      echo   and a    1  2  3       comma-separated without parentheses    echo   and a 123              just one parameter with parentheses   print   can only take one parameter      print   and a 123       print   and a 123

User · Answer

From  http   web archive org web 20090221144611 http   faqts com knowledge base view phtml aid 1 fid 40   Speed   There is a difference between the two  but speed-wise it should be irrelevant which one you use   echo is marginally faster  since it doesn t set a return value if you really want to get down to the nitty gritty    Expression  print   behaves like a function in that you can do    ret   print  Hello World   And  ret will be 1   That means that print can be used as part of a more complex expression where echo cannot   An example from the PHP Manual     b   print  true    print  false     print is also part of the precedence table which it needs to be if it  is to be used within a complex expression  It is just about at the bottom of the precedence list though   Only   AND OR XOR are lower    Parameter s    The grammar is  echo expression    expression   expression        But echo   expression  expression   is not valid   This would be valid  echo   howdy     partner    the same as  echo  howdy   partner    Putting the brackets in that simple example  serves no purpose since there is no operator precedence issue with a single term like that     So  echo without parentheses can take multiple parameters  which get concatenated      echo   and a    1  2  3       comma-separated without parentheses    echo   and a 123              just one parameter with parentheses   print   can only take one parameter      print   and a 123       print   and a 123

User · Answer

As the PHP net manual suggests  take a read of this discussion   One major difference is that echo can take multiple parameters to output  E g    echo  foo    bar        Concatenates the 2 strings print  foo    bar       Fatal error   If you re looking to evaluate the outcome of an output statement  as below  use print  If not  use echo    res   print  test    var dump  res     bool true

User · Answer

I think print   is slower than echo   I like to use print   only for situations like    echo  Doing some stuff        foo   and print  ok  n   or print  error      getError        n

[php] How are echo and print different in PHP?

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