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/**
* Clone of wp_debug_backtrace_summary()
*
* Return a comma-separated string of functions that have been called to get
* to the current point in code.
*
* @see https://core.trac.wordpress.org/ticket/19589
*
* @param string $ignore_class Optional. A class to ignore all function calls within - useful
* when you want to just give info about the callee. Default null.
* @param int $skip_frames Optional. A number of stack frames to skip - useful for unwinding
* back to the source of the issue. Default 0.
* @param bool $pretty Optional. Whether or not you want a comma separated string or raw
* array returned. Default true.
* @return string|array Either a string containing a reversed comma separated trace or an array
* of individual calls.
*/
function cmw_wp_debug_backtrace_summary( $ignore_class = null, $skip_frames = 0, $pretty = true ) {
if ( version_compare( PHP_VERSION, '5.2.5', '>=' ) )
$trace = debug_backtrace( false );
else
$trace = debug_backtrace();
$caller = array();
$check_class = ! is_null( $ignore_class );
$skip_frames++; // skip this function
foreach ( $trace as $call ) {
$line = (isset($call['line']) ? ' line:' . $call['line'] : ' <unknown line>');
if ( $skip_frames > 0 ) {
$skip_frames--;
} elseif ( isset( $call['class'] ) ) {
if ( $check_class && $ignore_class == $call['class'] )
continue; // Filter out calls
$caller[] = "{$call['class']}{$call['type']}{$call['function']}" . $line;
} else {
if ( in_array( $call['function'], array( 'do_action', 'apply_filters' ) ) ) {
$caller[] = "{$call['function']}('{$call['args'][0]}')" . $line;
} elseif ( in_array( $call['function'], array( 'include', 'include_once', 'require', 'require_once' ) ) ) {
$caller[] = $call['function'] . "('" . str_replace( array( WP_CONTENT_DIR, ABSPATH ) , '', $call['args'][0] ) . "')" . $line;
} else {
$caller[] = $call['function'] . $line;
}
}
}
if ( $pretty )
return join( ', ', array_reverse( $caller ) );
else
return $caller;
}
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