wc_print_r( mixed $expression, bool $return = false )
Prints human-readable information about a variable.
Description Description
Some server environments block some debugging functions. This function provides a safe way to turn an expression into a printable, readable form without calling blocked functions.
Parameters Parameters
- $expression
-
(Required) The expression to be printed.
- $return
-
(Optional) Set to true to return the human-readable string.
Default value: false
Return Return
(string|bool) False if expression could not be printed. True if the expression was printed. If $return is true, a string representation will be returned.
Source Source
File: includes/wc-core-functions.php
function wc_print_r( $expression, $return = false ) {
$alternatives = array(
array(
'func' => 'print_r',
'args' => array( $expression, true ),
),
array(
'func' => 'var_export',
'args' => array( $expression, true ),
),
array(
'func' => 'json_encode',
'args' => array( $expression ),
),
array(
'func' => 'serialize',
'args' => array( $expression ),
),
);
$alternatives = apply_filters( 'woocommerce_print_r_alternatives', $alternatives, $expression );
foreach ( $alternatives as $alternative ) {
if ( function_exists( $alternative['func'] ) ) {
$res = $alternative['func']( ...$alternative['args'] );
if ( $return ) {
return $res;
}
echo $res; // WPCS: XSS ok.
return true;
}
}
return false;
}
Changelog Changelog
| Version | Description |
|---|---|
| 3.0 | Introduced. |