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PHP Manual :: ReflectionGenerator::getTrace



ReflectionGenerator::getThis || Reflector || ReflectionGenerator || PHP Manual

(PHP 7)

ReflectionGenerator::getTraceGets the trace of the executing generator

Description

public array ReflectionGenerator::getTrace ([ int $options = DEBUG_BACKTRACE_PROVIDE_OBJECT ] )

Get the trace of the currently executing generator.

Parameters

options

The value of options can be any of the following the following flags.

Available options
Option Description
DEBUG_BACKTRACE_PROVIDE_OBJECT Default.
DEBUG_BACKTRACE_IGNORE_ARGS Don't include the argument information for functions in the stack trace.

Return Values

Returns the trace of the currently executing generator.

Examples

Example #1 ReflectionGenerator::getTrace() example

<?php
function foo() {
    
yield 1;
}

function 
bar()
{
    
yield from foo();
}

function 
baz()
{
    
yield from bar();
}

$gen baz();
$gen->valid(); // start the generator

var_dump((new ReflectionGenerator($gen))->getTrace());

The above example will output something similar to:

array(2) {
  [0]=>
  array(4) {
    ["file"]=>
    string(18) "example.php"
    ["line"]=>
    int(8)
    ["function"]=>
    string(3) "foo"
    ["args"]=>
    array(0) {
    }
  }
  [1]=>
  array(4) {
    ["file"]=>
    string(18) "example.php"
    ["line"]=>
    int(12)
    ["function"]=>
    string(3) "bar"
    ["args"]=>
    array(0) {
    }
  }
}

See Also



ReflectionGenerator::getThis || Reflector || ReflectionGenerator || PHP Manual
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