Files
CoreLibs-Composer-All/src/Debug/Support.php
2023-08-22 13:34:43 +09:00

365 lines
11 KiB
PHP

<?php
/*
* Debug support functions
*/
declare(strict_types=1);
namespace CoreLibs\Debug;
use CoreLibs\Convert\Html;
class Support
{
/**
* wrapper around microtime function to print out y-m-d h:i:s.ms
*
* @param int $set_microtime -1 to set micro time, 0 for none,
* positive for rounding
* @return string formated datetime string with microtime
*/
public static function printTime(int $set_microtime = -1): string
{
[$microtime, $timestamp] = explode(' ', microtime());
$string = date("Y-m-d H:i:s", (int)$timestamp);
// if microtime flag is -1 no round, if 0, no microtime, if >= 1, round that size
if ($set_microtime == -1) {
$string .= substr($microtime, 1);
} elseif ($set_microtime >= 1) {
// in round case we run this through number format to always get the same amount of digits
$string .= substr(number_format(round((float)$microtime, $set_microtime), $set_microtime), 1);
}
return $string;
}
/**
* prints a html formatted (pre) data
*
* @param mixed $data any data
* @param bool $no_html default add <pre>
* @return string formatted array for output with <pre> tag added
*/
public static function printAr(mixed $data, bool $no_html = false): string
{
return $no_html ?
print_r($data, true) :
'<pre>' . print_r($data, true) . '</pre>';
}
/**
* alternate name for printAr function
*
* @param mixed $data any array
* @param bool $no_html default add <pre>
* @return string formatted array for output with <pre> tag added
*/
public static function printArray(mixed $data, bool $no_html = false): string
{
return self::printAr($data, $no_html);
}
/**
* A replacement for the \CoreLibs\Debug\Support::printAr
* But this does not wrap it in <pre></pre>
* Do not use this without using it in a string in debug function
* Note: for full data debug dumps use Support::dumpVar()
*
* @param mixed $data Data to print
* @return string print_r formated
*/
public static function prAr(mixed $data): string
{
return self::printAr($data, true);
}
/**
* convert bool value to string
* if $name is set prefix with nae
* default true: true, false: false
*
* @param bool $bool Variable to convert
* @param string $name [=''] Prefix name
* @param string $true [='true'] True string
* @param string $false [='false'] False string
* @param bool $no_html [=false] if true do not print html
* @return string String with converted bool text for debug
*/
public static function printBool(
bool $bool,
string $name = '',
string $true = 'true',
string $false = 'false',
bool $no_html = false,
): string {
return
(!empty($name) ?
($no_html ?
$name : '<b>' . $name . '</b>') . ': '
: '')
. ($bool ? $true : $false);
}
/**
* Convert bool value to string value. Short name alias for printBool
*
* @param bool $bool Bool value to be transformed
* @param string $true [='true'] Override default string 'true'
* @param string $false [=false'] Override default string 'false'
* @return string $true or $false string for true/false bool
*/
public static function prBl(
bool $bool,
string $true = 'true',
string $false = 'false'
): string {
return self::printBool($bool, '', $true, $false, true);
}
/**
* print out any data as string
* will convert boolean to TRUE/FALSE
* if object return get_class
* for array use printAr function, can be controlled with no_html for
* Debug\Logging compatible output
* Recommended to use Support::dumpVar()
*
* @param mixed $mixed
* @param bool $no_html set to true to strip <pre> tags
* @return string
*/
public static function printToString(mixed $mixed, bool $no_html = false): string
{
if (is_null($mixed)) {
return (string)'NULL';
} elseif (is_bool($mixed)) {
return self::printBool($mixed, '', 'TRUE', 'FALSE');
} elseif (is_resource($mixed)) {
return (string)$mixed;
} elseif (is_object($mixed)) {
return get_class($mixed);
} elseif (is_array($mixed)) {
// use the pre one OR debug one
return self::printAr($mixed, $no_html);
} elseif (is_string($mixed)) {
if ($no_html) {
return Html::htmlent((string)$mixed);
} else {
return (string)$mixed;
}
} else {
// should be int/float/string
return (string)$mixed;
}
}
/**
* Dumps var data and returns it as string
* var_dump based
* Recommended debug output
*
* @param mixed $data Anything
* @param bool $no_html [=false] If true strip all html tags
* (for text print)
* @return string A text string
*/
public static function dumpVar(
mixed $data,
bool $no_html = false,
): string {
// dump data
ob_start();
var_dump($data);
$debug_dump = ob_get_clean() ?: '[FAILED TO GET var_dump() data]';
// check if the original caller is dV, if yes, up the caller level for
// the file line get by 1, so we get file + pos from the dV call and
// not this call
$caller_level = 1;
$caller_list = self::getCallerMethodList();
if ($caller_list[0] == 'dV') {
$caller_level = 2;
}
// we need to strip the string in <small></small that is
// "path ... CoreLibs/Debug/Support.php:<number>:
// and replace it with the caller methods and location
$caller_file_number = self::getCallerFileLine($caller_level);
$debug_dump = preg_replace(
'|<small>(/.*:\d+:)</small>|',
'<small>' . $caller_file_number . ':</small>',
$debug_dump
) ?? $debug_dump; // in case of failure keep original
// if strip is ture, remove all HTML tags and convert any html entities back
return $no_html ?
str_replace(
// things to replace in the string if set
['&gt;', '&lt;', '&#13;', '&#10;'],
['>', '<', "\r", "\n"],
strip_tags($debug_dump)
) :
$debug_dump;
}
/**
* exports (dumps) var, in more printable design, but without detail info
*
* @param mixed $data Anything
* @param bool $no_html [=false] If true true do not add <pre> tags
* @return string A text string
*/
public static function exportVar(mixed $data, bool $no_html = false): string
{
return $no_html ?
var_export($data, true) :
'<pre>' . var_export($data, true) . '</pre>';
}
/**
* Return file name and line number where this was called
* One level up
*
* @param int $level [=1] trace level
* @return string|null null or file name:line number
*/
public static function getCallerFileLine(int $level = 1): ?string
{
$traces = debug_backtrace(DEBUG_BACKTRACE_IGNORE_ARGS);
// print \CoreLibs\Debug\Support::printAr($traces);
// We should check from top down if unset?
// sets the start point here, and in level two (the sub call) we find this
if (isset($traces[$level])) {
return ($traces[$level]['file'] ?? $traces[$level]['function'])
. ':' . ($traces[$level]['line'] ?? '-');
}
return null;
}
/**
* if there is a need to find out which parent method called a child method,
* eg for debugging, this function does this
*
* call this method in the child method and you get the parent function that called
* @param int $level [=1] trace level
* @return string|null null or the function that called the function
* where this method is called
*/
public static function getCallerMethod(int $level = 1): ?string
{
$traces = debug_backtrace(DEBUG_BACKTRACE_IGNORE_ARGS);
// print "getCallerMethod:<br>" . \CoreLibs\Debug\Support::printAr($traces);
// We should check from top down if unset?
// sets the start point here, and in level two (the sub call) we find this
if (isset($traces[$level])) {
return $traces[$level]['function'];
}
return null;
}
/**
* get the class that first called it and skip the base class
* Companion method to getCallerMethod
*
* @param int $level [=1] trace level
* @return ?string null if class not found
*/
public static function getCallerClass(int $level = 1): ?string
{
$traces = debug_backtrace(DEBUG_BACKTRACE_IGNORE_ARGS);
// print "getCallerClass:<br>" . \CoreLibs\Debug\Support::printAr($traces);
if (isset($traces[$level])) {
return $traces[$level]['class'] ?? null;
}
return null;
}
/**
* Returns class and method together
*
* @param int $level [=1] travel level
* @return string|null null if trace level not found, else namespace class and method
*/
public static function getCallerClassMethod(int $level = 1): ?string
{
$traces = debug_backtrace(DEBUG_BACKTRACE_IGNORE_ARGS);
// print "getCallerClass:<br>" . \CoreLibs\Debug\Support::printAr($traces);
if (isset($traces[$level])) {
return ($traces[$level]['class'] ?? '-')
. ($traces[$level]['type'] ?? '')
. $traces[$level]['function'];
}
return null;
}
/**
* Returns array with all methods in the call stack in the order so that last
* called is last in order
* Will start with start_level to skip unwanted from stack
* Defaults to skip level 0 wich is this methid
*
* @param integer $start_level From what level on, as defaul starts with 1
* to exclude self
* @return array<mixed> All method names in list where max is last called
*/
public static function getCallerMethodList(int $start_level = 1): array
{
$traces = debug_backtrace(DEBUG_BACKTRACE_IGNORE_ARGS);
$methods = [];
foreach ($traces as $level => $data) {
if ($level >= $start_level) {
if (!empty($data['function'])) {
array_unshift($methods, $data['function']);
}
}
}
return $methods;
}
/**
* Get the current class where this function is called
* Is mostly used in debug log statements to get the class where the debug
* was called
* gets top level class
* loops over the debug backtrace until if finds the first class (from the end)
*
* @return string Class name with namespace
*/
public static function getCallerTopLevelClass(): string
{
$traces = debug_backtrace(DEBUG_BACKTRACE_IGNORE_ARGS);
// print "getCallerClass:<br>" . \CoreLibs\Debug\Support::printAr($traces);
$class = null;
// reverse and stop at first set class, this is the top level one
foreach (array_reverse($traces) as $trace) {
$class = $trace['class'] ?? null;
if (!empty($class)) {
break;
}
}
// on null or empty return empty string
return empty($class) ? '' : $class;
}
/**
* If a string is empty, sets '-' for return, or if given any other string
*
* @param string|null $string The string to check
* @param string $replace [default '-'] What to replace the empty string with
* @return string String itself or the replaced value
*/
public static function debugString(
?string $string,
string $replace = '-',
bool $no_html = false
): string {
if (empty($string)) {
$string = $replace;
}
if ($no_html) {
return Html::htmlent($string);
} else {
return $string;
}
}
}
// __END__