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bw_lazy_trace2() – Improved trace function that needs no parameters, but accepts two

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Description

Improved trace function that needs no parameters, but accepts two

Using debug_backtrace this function can be used to trace the parameters to a function It's a version of bw_backtrace that doesn't produce the whole call tree It's less efficient than bw_lazy_trace since it first needs to call debug_backtrace() bw_backtrace should also perform the checks.

Usage

$mixed = bw_lazy_trace2( $value, $text, $show_args, $level );

Parameters

$value
( mixed ) optional – an optional field to be traced
$text
( string ) optional – an optional field identifying text for the field to be traced
$show_args
( string ) optional default: 1 – true to display the arguments to the call
$level
( integer ) optional – trace level, optional ?

Returns

mixed $value – to allow this function to be called in return statements

Source

File name: oik-bwtrace/includes/bwtrace.php
Lines:
1 to 45 of 45
function bw_lazy_trace2( $value=null, $text=null, $show_args=true, $level=null ) {
  global $bw_trace_on;
  if ($bw_trace_on) {
    //bw_trace_check_level( $level );
    $backtrace = debug_backtrace();
    //bw_lazy_trace( $backtrace, __FUNCTION__, __LINE__, __FILE__, "backtrace" );
    $call = $backtrace[0];
    $call1 = $backtrace[1];
    $file = bw_array_get( $call1, 'file', NULL) ;
    $file = bw_trace_file_part( $file );
    $line = bw_array_get( $call1, 'line', 0 );
    if ( isset( $backtrace[2] ) ) {
      $call2 = $backtrace[2]; 
      $function = $call2['function'];
      if ( isset( $call2['class'] ) ) {
        $function = $call2['class'] . '::' . $function;
      }
      if ( $show_args ) {      
        $args = $call2['args'];
        $cargs = count( $args );
        switch ( $cargs ) {
          case 0: 
            $targs = NULL;
            break;
          case 1:
            $targs = $args[0]; 
            break;
          default:
            $targs = $args;
        }
        bw_lazy_trace( $targs, $function, $line, $file, $cargs, $level );
      }  
    } else { 
      $function = "";
    }
           
    if ( $value || $text ) {
      bw_lazy_trace( $value, $function, $line, $file, $text, $level );
    }      
    //if ( $show_args )  
    //  bw_trace_context_all( $function, $line, $file );  
  } 
  //bw_bang(); 
  return( $value );
}
 
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Published: March 11, 2017 | Last updated: November 14, 2017

Information

Function name: bw_lazy_trace2
Plugin ref: oik-bwtrace – debug trace for WordPress
Version: 3.3.1
Sourcefile: includes/bwtrace.php
File ref: includes/bwtrace.php
Deprecated?: No
API Letters: B,L,T

Recent plugin updates

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oik v4.7.1 Upgrade to oik v4.7.1 for bw_pages rendering blocks for Content and Excerpts, and support for post_name attribute for shortcode which query posts ...
oik-shortcodes v1.41.1 Upgrade to oik-shortcodes v1.41.1 for a couple of minor changes. ...
oik-bob-bing-wide v2.2.2 Upgrade to oik-bob-bing-wide v2.2.2 for improvements to bw_dash examples and fixes to some SVG icon's visibility. ...
oik-bwtrace v3.3.1 Upgrade to oik-bwtrace v3.3.1 to measure plugin load times and ad hoc action timing points. ...

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