Re: echo, print and is_callable()/function_exists()

From: Date: Fri, 07 Apr 2006 15:28:14 +0000
Subject: Re: echo, print and is_callable()/function_exists()
References: 1  Groups: php.general 
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Just wrap it, like Example 1 of the manual shows function my_echo($array, $key) { echo $array[$key]; } array_walk_recursive($array, 'my_echo'); > Date: Fri, 7 Apr 2006 15:42:40 +0100 > From: Chris Boget <chris.boget@wild.net> > To: php-general@lists.php.net > Subject: [PHP] echo, print and is_callable()/function_exists() > > Because both echo and print are language constructs and not actual > functions, you can't seem to use either is_callable() or > function_exists() on either to determine if they are valid 'function' > calls. Is there any other way to determine to check to see if I can > execute either or? I'm writing a version of array_walk_recursive() (it > doesn't exist in the version of PHP we are using) and if I try to pass > in either echo or print as the function, nothing ever happens because > neither resolves as an executable function... > > Any ideas as to how I can get around this? > > thnx, > Chris >

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