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Backtrace Deprecated
<?php
/*
Plugin Name: Better Deprecation Warnings
Author: scribu
Version: 1.0
*/
class Backtrace_Deprecated {
function init() {
if ( !defined('WP_DEBUG') || !WP_DEBUG )
return;
add_action('deprecated_file_included', array(__CLASS__, 'deprecated_file'), 10, 3);
add_action('deprecated_function_run', array(__CLASS__, 'deprecated_function'), 10, 3);
add_action('deprecated_argument_run', array(__CLASS__, 'deprecated_argument'), 10, 3);
add_action('deprecated_file_trigger_error', '__return_false');
add_action('deprecated_function_trigger_error', '__return_false');
add_action('deprecated_argument_trigger_error', '__return_false');
}
function deprecated_file($file, $replacement) {
self::output('file', $file, " Use $replacement instead.");
}
function deprecated_function($function, $replacement) {
self::output('function', "$function()", " Use $replacement instead.");
}
function deprecated_argument($argument, $message) {
self::output('argument', "for $argument()", $message);
}
function output($type, $target, $replacement) {
$full_backtrace = debug_backtrace();
$backtrace = $full_backtrace[5];
$caller = $backtrace['file'];
$line = $backtrace['line'];
$message = "\n<br><strong>Deprecated $type</strong> $target";
if ( !empty($caller) )
$message .= " used in <strong>$caller</strong> on line <strong>$line</strong>";
$message .= ". $replacement<br>";
if ( WP_DEBUG_LOG ) {
error_log($message);
return;
}
echo $message;
if ( empty($caller) ) {
echo "<pre>";
print_r(array_slice($full_backtrace, 5));
echo "</pre>";
}
}
function test() {
include ABSPATH . '/wp-admin/upgrade-functions.php';
_c(1);
add_option('foo', 'bar', 'oups');
}
}
Backtrace_Deprecated::init();
#add_action('admin_init', array('Backtrace_Deprecated', 'test'));
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