php require

// Include a file, if it can't be found: continue.
<?php
include 'mainfile.php';
?>
  
// Alternatively: Require a file to be imported or quit if it can't be found
<?php
 require 'requiredfile.php';
?>

3.75
8

                                    // Require a file to be imported or quit if it can't be found
&lt;?php
 require 'somefile.php';
?&gt;
  
// Alternatively: Include a file, if it can't be found: continue.
&lt;?php
include&nbsp;'vars.php';
?&gt;

3.75 (8 Votes)
0
4.5
2
Mactivist 95 points

                                    // Require a file to be imported or quit if it can't be found
&lt;?php
 require 'requiredfile.php';
?&gt;

4.5 (2 Votes)
0
4
8
233A 110 points

                                    # return.php
&lt;?php

$var&nbsp;=&nbsp;'PHP';

return&nbsp;$var;

?&gt;

# noreturn.php
&lt;?php

$var&nbsp;=&nbsp;'PHP';

?&gt;

# testreturns.php
&lt;?php

$foo&nbsp;=&nbsp;include&nbsp;'return.php';

echo&nbsp;$foo;&nbsp;//&nbsp;prints&nbsp;'PHP'

$bar&nbsp;=&nbsp;include&nbsp;'noreturn.php';

echo&nbsp;$bar;&nbsp;//&nbsp;prints&nbsp;1

?&gt;

//$bar is the value 1 because the include was successful. Notice the difference between the above examples. The first uses return within the included file while the other does not. If the file can't be included, false is returned and E_WARNING is issued.

4 (8 Votes)
0
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