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<?php
// =============================================================================
// FUNCTIONS/GLOBAL/DEBUG.PHP
// -----------------------------------------------------------------------------
// Debugging functionality for, well...debugging.
//
// Some of the methods defined below require at least PHP 5.4 due to $this
// being unavailable in anonymous functions before that version. Keep this in
// mind when attempting to utilize x_dump_screen() and x_dump_object(). We do
// provide a fallback for older versions of PHP, but without stylized output.
// =============================================================================
// =============================================================================
// TABLE OF CONTENTS
// -----------------------------------------------------------------------------
// 01. Debug Class
// 02. Helper Functions
// =============================================================================
// Debug Class
// =============================================================================
class X_Debug {
//
// General Data Dump
// ---------------------------------------------------------------------------
// Dumps any associated data into a styled element that is fixed at the
// bottom of the page, keeping output easily accessible at all times. Height
// is adjustable via the second parameter.
//
private function x_clean_dump( &$data ) {
$data = htmlspecialchars( $data, ENT_HTML5 );
}
public function x_dump( $data, $height = '250', $function = 'print_r' ) {
if ( version_compare( PHP_VERSION, '5.4.0' ) >= 0 ) {
if ( is_array( $data ) ) {
array_walk_recursive( $data, 'self::x_clean_dump' );
} elseif ( is_object( $data ) ) {
$data = (array) $data;
array_walk_recursive( $data, 'self::x_clean_dump' );
} else {
$this->x_clean_dump( $data );
}
echo '<pre class="x-dump" style="-webkit-box-sizing: border-box; -moz-box-sizing: border-box; box-sizing: border-box; position: fixed; bottom: 0; left: 0; right: 0; z-index: 999999999; display: block; overflow: auto; max-height: ' . $height . 'px; margin: 36px; border: 0; padding: 23px 25px; font-family: Consolas, Courier, monospace; font-size: 16px; line-height: 1.5; word-wrap: break-word; color: #000; background-color: #fff; border-radius: 0; box-shadow: 0 3px 35px rgba(0, 0, 0, 0.5);">';
if ( $function == 'print_r' ) {
print_r( $data );
} else {
var_dump( $data );
}
echo '</pre>';
} else {
echo '<pre class="x-dump" style="-webkit-box-sizing: border-box; -moz-box-sizing: border-box; box-sizing: border-box; position: fixed; bottom: 0; left: 0; right: 0; z-index: 999999999; display: block; overflow: auto; max-height: ' . $height . 'px; margin: 36px; border: 0; padding: 23px 25px; font-family: Consolas, Courier, monospace; font-size: 16px; line-height: 1.5; word-wrap: break-word; color: #000; background-color: #fff; border-radius: 0; box-shadow: 0 3px 35px rgba(0, 0, 0, 0.5);">';
if ( $function == 'print_r' ) {
print_r( $data );
} else {
var_dump( $data );
}
echo '</pre>';
}
}
//
// Screen Data Dump
// ---------------------------------------------------------------------------
// A quick way to output information from the WP_Screen object. Keep in mind
// that the get_current_screen() function only works in the admin area.
//
public function x_get_screen() {
$this->x_dump( get_current_screen() );
}
public function x_dump_screen() {
add_action( 'admin_footer', array( $this, 'x_get_screen' ) );
}
//
// Object Data Dump
// ---------------------------------------------------------------------------
// A quick way to output information from the currently queried object by
// dumping get_queried_object(). The get_queried_object() function does not
// output any information for is_date() or is_home(), so at this time we
// simply display a message to confirm when those pages are being viewed.
//
public function x_get_object() {
if ( is_home() ) {
$this->x_dump( 'is_home()' );
} elseif ( is_date() ) {
$this->x_dump( 'is_date()' );
} else {
$this->x_dump( get_queried_object() );
}
}
public function x_dump_object() {
add_action( 'x_before_site_end', array( $this, 'x_get_object' ) );
}
}
// Helper Functions
// =============================================================================
//
// These functions serve as helpers to manage the object oriented parts of the
// code and streamline access to the various methods included in the X_Debug
// class. These should be used in place of instantiating the class and then
// calling the method for the sake of brevity.
//
function x_dump( $data, $height = 250, $function = 'print_r' ) {
$d = new X_Debug(); $d->x_dump( $data, $height, $function );
}
function x_dump_screen() {
$d = new X_Debug(); $d->x_dump_screen();
}
function x_dump_object() {
$d = new X_Debug(); $d->x_dump_object();
}