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L'errore dovrebbe essere su questo file:
<?php
namespace WPML\Utils;
/**
* Class DebugBackTrace
*
* @package WPML\Utils
*/
class DebugBackTrace {
/** @var array */
private $debug_backtrace = [];
/** @var int */
private $limit;
/** @var bool */
private $provide_object;
/** @var bool */
private $ignore_args;
/** @var string */
private $debug_backtrace_function;
/**
* DebugBackTrace constructor.
*
* @param int $limit
* @param bool $provide_object
* @param bool $ignore_args
* @param null|string $debug_backtrace_function
*/
public function __construct(
$limit = 0,
$provide_object = false,
$ignore_args = true,
$debug_backtrace_function = null
) {
if ( ! $debug_backtrace_function ) {
$debug_backtrace_function = 'debug_backtrace';
}
$this->limit = $limit;
$this->provide_object = $provide_object;
$this->ignore_args = $ignore_args;
$this->debug_backtrace_function = $debug_backtrace_function;
}
/**
* @param array $functions
* @param bool $refresh
*
* @return bool
*/
public function are_functions_in_call_stack( array $functions, $refresh = true ) {
if ( empty( $this->debug_backtrace ) || $refresh ) {
$this->get_backtrace();
}
$found = false;
foreach ( $this->debug_backtrace as $frame ) {
if ( isset( $frame['class'] ) ) {
$frame_function = [ $frame['class'], $frame['function'] ];
} else {
$frame_function = $frame['function'];
}
if ( in_array( $frame_function, $functions, true ) ) {
$found = true;
break;
}
}
return $found;
}
/**
* @param string $function_name
* @param bool $refresh
*
* @return bool
*/
public function is_function_in_call_stack( $function_name, $refresh = true ) {
return $this->are_functions_in_call_stack( [ $function_name ], $refresh );
}
/**
* @param string $function_name
* @param bool $refresh
*
* @return int
*/
public function count_function_in_call_stack( $function_name, $refresh = true ) {
if ( empty( $this->debug_backtrace ) || $refresh ) {
$this->get_backtrace();
}
$count = 0;
foreach ( $this->debug_backtrace as $frame ) {
if ( ! isset( $frame['class'] ) && $frame['function'] === $function_name ) {
$count ++;
}
}
return $count;
}
/**
* @param string $class_name
* @param string $function_name
* @param bool $refresh
*
* @return bool
*/
public function is_class_function_in_call_stack( $class_name, $function_name, $refresh = true ) {
return $this->are_functions_in_call_stack( [ [ $class_name, $function_name ] ], $refresh );
}
/**
* @return array
*/
public function get_backtrace() {
$options = false;
// As of 5.3.6, 'options' parameter is a bit mask for the following options.
if ( $this->provide_object ) {
$options |= DEBUG_BACKTRACE_PROVIDE_OBJECT;
}
if ( $this->ignore_args ) {
$options |= DEBUG_BACKTRACE_IGNORE_ARGS;
}
$actual_limit = 0 === $this->limit ? 0 : $this->limit + 4;
$this->debug_backtrace = (array) call_user_func_array(
$this->debug_backtrace_function,
[
$options,
$actual_limit,
]
); // Add one item to include the current frame.
$this->remove_frames_for_this_class();
return $this->debug_backtrace;
}
private function remove_frames_for_this_class() {
/**
* We cannot rely on number of frames to remove.
* php 5.6 and 7+ provides different call stacks.
* php 5.6 adds call_user_func_array from get_backtrace()
*/
do {
$found = false;
if ( ! isset( $this->debug_backtrace[0] ) ) {
break;
}
$frame = $this->debug_backtrace[0];
if (
( isset( $frame['file'] ) && __FILE__ === $frame['file'] )
|| ( isset( $frame['class'] ) && self::class === $frame['class'] )
) {
$found = true;
$this->remove_last_frame();
}
} while ( $found );
$this->remove_last_frame(); // Remove frame with the function called this class.
}
public function remove_last_frame() {
if ( $this->debug_backtrace ) {
array_shift( $this->debug_backtrace );
}
}
}
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